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# portage.py -- core Portage functionality
# Copyright 1998-2004 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$
VERSION="$Rev$"[6:-2] + "-svn"
# ===========================================================================
# START OF IMPORTS -- START OF IMPORTS -- START OF IMPORTS -- START OF IMPORT
# ===========================================================================
try:
import sys
except ImportError:
print "Failed to import sys! Something is _VERY_ wrong with python."
raise
try:
import copy, errno, os, re, shutil, time, types
try:
import cPickle
except ImportError:
import pickle as cPickle
import stat
import commands
from time import sleep
from random import shuffle
import UserDict
if getattr(__builtins__, "set", None) is None:
from sets import Set as set
from itertools import chain, izip
except ImportError, e:
sys.stderr.write("\n\n")
sys.stderr.write("!!! Failed to complete python imports. These are internal modules for\n")
sys.stderr.write("!!! python and failure here indicates that you have a problem with python\n")
sys.stderr.write("!!! itself and thus portage is not able to continue processing.\n\n")
sys.stderr.write("!!! You might consider starting python with verbose flags to see what has\n")
sys.stderr.write("!!! gone wrong. Here is the information we got for this exception:\n")
sys.stderr.write(" "+str(e)+"\n\n");
raise
bsd_chflags = None
if os.uname()[0] in ["FreeBSD"]:
try:
import freebsd as bsd_chflags
except ImportError:
pass
try:
from cache.cache_errors import CacheError
import cvstree
import xpak
import getbinpkg
import portage_dep
from portage_dep import dep_getcpv, dep_getkey, get_operator, \
isjustname, isspecific, isvalidatom, \
match_from_list, match_to_list, best_match_to_list
# XXX: This needs to get cleaned up.
import output
from output import bold, colorize, green, red, yellow
import portage_const
from portage_const import VDB_PATH, PRIVATE_PATH, CACHE_PATH, DEPCACHE_PATH, \
USER_CONFIG_PATH, MODULES_FILE_PATH, CUSTOM_PROFILE_PATH, PORTAGE_BASE_PATH, \
PORTAGE_BIN_PATH, PORTAGE_PYM_PATH, PROFILE_PATH, LOCALE_DATA_PATH, \
EBUILD_SH_BINARY, SANDBOX_BINARY, BASH_BINARY, \
MOVE_BINARY, PRELINK_BINARY, WORLD_FILE, MAKE_CONF_FILE, MAKE_DEFAULTS_FILE, \
DEPRECATED_PROFILE_FILE, USER_VIRTUALS_FILE, EBUILD_SH_ENV_FILE, \
INVALID_ENV_FILE, CUSTOM_MIRRORS_FILE, CONFIG_MEMORY_FILE,\
INCREMENTALS, EAPI, MISC_SH_BINARY
from portage_data import ostype, lchown, userland, secpass, uid, wheelgid, \
portage_uid, portage_gid, userpriv_groups
from portage_manifest import Manifest
import portage_util
from portage_util import atomic_ofstream, apply_secpass_permissions, apply_recursive_permissions, \
dump_traceback, getconfig, grabdict, grabdict_package, grabfile, grabfile_package, \
map_dictlist_vals, new_protect_filename, normalize_path, \
pickle_read, pickle_write, stack_dictlist, stack_dicts, stack_lists, \
unique_array, varexpand, writedict, writemsg, writemsg_stdout, write_atomic
import portage_exception
import portage_gpg
import portage_locks
import portage_exec
from portage_exec import atexit_register, run_exitfuncs
from portage_locks import unlockfile,unlockdir,lockfile,lockdir
import portage_checksum
from portage_checksum import perform_md5,perform_checksum,prelink_capable
import eclass_cache
from portage_localization import _
from portage_update import dep_transform, fixdbentries, grab_updates, \
parse_updates, update_config_files, update_dbentries
# Need these functions directly in portage namespace to not break every external tool in existence
from portage_versions import best, catpkgsplit, catsplit, pkgcmp, \
pkgsplit, vercmp, ververify
# endversion and endversion_keys are for backward compatibility only.
from portage_versions import endversion_keys
from portage_versions import suffix_value as endversion
except ImportError, e:
sys.stderr.write("\n\n")
sys.stderr.write("!!! Failed to complete portage imports. There are internal modules for\n")
sys.stderr.write("!!! portage and failure here indicates that you have a problem with your\n")
sys.stderr.write("!!! installation of portage. Please try a rescue portage located in the\n")
sys.stderr.write("!!! portage tree under '/usr/portage/sys-apps/portage/files/' (default).\n")
sys.stderr.write("!!! There is a README.RESCUE file that details the steps required to perform\n")
sys.stderr.write("!!! a recovery of portage.\n")
sys.stderr.write(" "+str(e)+"\n\n")
raise
try:
import portage_selinux as selinux
except OSError, e:
writemsg("!!! SELinux not loaded: %s\n" % str(e), noiselevel=-1)
del e
except ImportError:
pass
# ===========================================================================
# END OF IMPORTS -- END OF IMPORTS -- END OF IMPORTS -- END OF IMPORTS -- END
# ===========================================================================
def load_mod(name):
modname = ".".join(name.split(".")[:-1])
mod = __import__(modname)
components = name.split('.')
for comp in components[1:]:
mod = getattr(mod, comp)
return mod
def best_from_dict(key, top_dict, key_order, EmptyOnError=1, FullCopy=1, AllowEmpty=1):
for x in key_order:
if top_dict.has_key(x) and top_dict[x].has_key(key):
if FullCopy:
return copy.deepcopy(top_dict[x][key])
else:
return top_dict[x][key]
if EmptyOnError:
return ""
else:
raise KeyError, "Key not found in list; '%s'" % key
def getcwd():
"this fixes situations where the current directory doesn't exist"
try:
return os.getcwd()
except OSError: #dir doesn't exist
os.chdir("/")
return "/"
getcwd()
def abssymlink(symlink):
"This reads symlinks, resolving the relative symlinks, and returning the absolute."
mylink=os.readlink(symlink)
if mylink[0] != '/':
mydir=os.path.dirname(symlink)
mylink=mydir+"/"+mylink
return os.path.normpath(mylink)
dircache = {}
cacheHit=0
cacheMiss=0
cacheStale=0
def cacheddir(my_original_path, ignorecvs, ignorelist, EmptyOnError, followSymlinks=True):
global cacheHit,cacheMiss,cacheStale
mypath = normalize_path(my_original_path)
if dircache.has_key(mypath):
cacheHit += 1
cached_mtime, list, ftype = dircache[mypath]
else:
cacheMiss += 1
cached_mtime, list, ftype = -1, [], []
try:
pathstat = os.stat(mypath)
if stat.S_ISDIR(pathstat[stat.ST_MODE]):
mtime = pathstat[stat.ST_MTIME]
else:
raise portage_exception.DirectoryNotFound(mypath)
except EnvironmentError, e:
if e.errno == portage_exception.PermissionDenied.errno:
raise portage_exception.PermissionDenied(mypath)
del e
if EmptyOnError:
return [], []
return None, None
except portage_exception.PortageException:
if EmptyOnError:
return [], []
return None, None
# Python retuns mtime in seconds, so if it was changed in the last few seconds, it could be invalid
if mtime != cached_mtime or time.time() - mtime < 4:
if dircache.has_key(mypath):
cacheStale += 1
try:
list = os.listdir(mypath)
except EnvironmentError, e:
if e.errno != errno.EACCES:
raise
del e
raise portage_exception.PermissionDenied(mypath)
ftype = []
for x in list:
try:
if followSymlinks:
pathstat = os.stat(mypath+"/"+x)
else:
pathstat = os.lstat(mypath+"/"+x)
if stat.S_ISREG(pathstat[stat.ST_MODE]):
ftype.append(0)
elif stat.S_ISDIR(pathstat[stat.ST_MODE]):
ftype.append(1)
elif stat.S_ISLNK(pathstat[stat.ST_MODE]):
ftype.append(2)
else:
ftype.append(3)
except (IOError, OSError):
ftype.append(3)
dircache[mypath] = mtime, list, ftype
ret_list = []
ret_ftype = []
for x in range(0, len(list)):
if(ignorecvs and (len(list[x]) > 2) and (list[x][:2]!=".#")):
ret_list.append(list[x])
ret_ftype.append(ftype[x])
elif (list[x] not in ignorelist):
ret_list.append(list[x])
ret_ftype.append(ftype[x])
writemsg("cacheddirStats: H:%d/M:%d/S:%d\n" % (cacheHit, cacheMiss, cacheStale),10)
return ret_list, ret_ftype
def listdir(mypath, recursive=False, filesonly=False, ignorecvs=False, ignorelist=[], followSymlinks=True,
EmptyOnError=False, dirsonly=False):
"""
Portage-specific implementation of os.listdir
@param mypath: Path whose contents you wish to list
@type mypath: String
@param recursive: Recursively scan directories contained within mypath
@type recursive: Boolean
@param filesonly; Only return files, not more directories
@type filesonly: Boolean
@param ignorecvs: Ignore CVS directories ('CVS','.svn','SCCS')
@type ignorecvs: Boolean
@param ignorelist: List of filenames/directories to exclude
@type ignorelist: List
@param followSymlinks: Follow Symlink'd files and directories
@type followSymlinks: Boolean
@param EmptyOnError: Return [] if an error occurs.
@type EmptyOnError: Boolean
@param dirsonly: Only return directories.
@type dirsonly: Boolean
@rtype: List
@returns: A list of files and directories (or just files or just directories) or an empty list.
"""
list, ftype = cacheddir(mypath, ignorecvs, ignorelist, EmptyOnError, followSymlinks)
if list is None:
list=[]
if ftype is None:
ftype=[]
if not (filesonly or dirsonly or recursive):
return list
if recursive:
x=0
while x<len(ftype):
if ftype[x]==1 and not (ignorecvs and os.path.basename(list[x]) in ('CVS','.svn','SCCS')):
l,f = cacheddir(mypath+"/"+list[x], ignorecvs, ignorelist, EmptyOnError,
followSymlinks)
l=l[:]
for y in range(0,len(l)):
l[y]=list[x]+"/"+l[y]
list=list+l
ftype=ftype+f
x+=1
if filesonly:
rlist=[]
for x in range(0,len(ftype)):
if ftype[x]==0:
rlist=rlist+[list[x]]
elif dirsonly:
rlist = []
for x in range(0, len(ftype)):
if ftype[x] == 1:
rlist = rlist + [list[x]]
else:
rlist=list
return rlist
def flatten(mytokens):
"""this function now turns a [1,[2,3]] list into
a [1,2,3] list and returns it."""
newlist=[]
for x in mytokens:
if type(x)==types.ListType:
newlist.extend(flatten(x))
else:
newlist.append(x)
return newlist
#beautiful directed graph object
class digraph:
def __init__(self):
"""Create an empty digraph"""
# { node : ( { child : priority } , { parent : priority } ) }
self.nodes = {}
self.order = []
def add(self, node, parent, priority=0):
"""Adds the specified node with the specified parent.
If the dep is a soft-dep and the node already has a hard
relationship to the parent, the relationship is left as hard."""
if node not in self.nodes:
self.nodes[node] = ({}, {})
self.order.append(node)
if not parent:
return
if parent not in self.nodes:
self.nodes[parent] = ({}, {})
self.order.append(parent)
if parent in self.nodes[node][1]:
if priority > self.nodes[node][1][parent]:
self.nodes[node][1][parent] = priority
else:
self.nodes[node][1][parent] = priority
if node in self.nodes[parent][0]:
if priority > self.nodes[parent][0][node]:
self.nodes[parent][0][node] = priority
else:
self.nodes[parent][0][node] = priority
def remove(self, node):
"""Removes the specified node from the digraph, also removing
and ties to other nodes in the digraph. Raises KeyError if the
node doesn't exist."""
if node not in self.nodes:
raise KeyError(node)
for parent in self.nodes[node][1]:
del self.nodes[parent][0][node]
for child in self.nodes[node][0]:
del self.nodes[child][1][node]
del self.nodes[node]
self.order.remove(node)
def contains(self, node):
"""Checks if the digraph contains mynode"""
return node in self.nodes
def all_nodes(self):
"""Return a list of all nodes in the graph"""
return self.order[:]
def child_nodes(self, node, ignore_priority=None):
"""Return all children of the specified node"""
if ignore_priority is None:
return self.nodes[node][0].keys()
children = []
for child, priority in self.nodes[node][0].iteritems():
if priority > ignore_priority:
children.append(child)
return children
def parent_nodes(self, node):
"""Return all parents of the specified node"""
return self.nodes[node][1].keys()
def leaf_nodes(self, ignore_priority=None):
"""Return all nodes that have no children
If ignore_soft_deps is True, soft deps are not counted as
children in calculations."""
leaf_nodes = []
for node in self.order:
is_leaf_node = True
for child in self.nodes[node][0]:
if self.nodes[node][0][child] > ignore_priority:
is_leaf_node = False
break
if is_leaf_node:
leaf_nodes.append(node)
return leaf_nodes
def root_nodes(self, ignore_priority=None):
"""Return all nodes that have no parents.
If ignore_soft_deps is True, soft deps are not counted as
parents in calculations."""
root_nodes = []
for node in self.order:
is_root_node = True
for parent in self.nodes[node][1]:
if self.nodes[node][1][parent] > ignore_priority:
is_root_node = False
break
if is_root_node:
root_nodes.append(node)
return root_nodes
def is_empty(self):
"""Checks if the digraph is empty"""
return len(self.nodes) == 0
def clone(self):
clone = digraph()
clone.nodes = copy.deepcopy(self.nodes)
clone.order = self.order[:]
return clone
# Backward compatibility
addnode = add
allnodes = all_nodes
allzeros = leaf_nodes
hasnode = contains
empty = is_empty
copy = clone
def delnode(self, node):
try:
self.remove(node)
except KeyError:
pass
def firstzero(self):
leaf_nodes = self.leaf_nodes()
if leaf_nodes:
return leaf_nodes[0]
return None
def hasallzeros(self, ignore_priority=None):
return len(self.leaf_nodes(ignore_priority=ignore_priority)) == \
len(self.order)
def debug_print(self):
for node in self.nodes:
print node,
if self.nodes[node][0]:
print "depends on"
else:
print "(no children)"
for child in self.nodes[node][0]:
print " ",child,
print "(%s)" % self.nodes[node][0][child]
_elog_atexit_handlers = []
def elog_process(cpv, mysettings):
mylogfiles = listdir(mysettings["T"]+"/logging/")
# shortcut for packages without any messages
if len(mylogfiles) == 0:
return
# exploit listdir() file order so we process log entries in chronological order
mylogfiles.reverse()
all_logentries = {}
for f in mylogfiles:
msgfunction, msgtype = f.split(".")
if msgfunction not in portage_const.EBUILD_PHASES:
writemsg("!!! can't process invalid log file: %s\n" % f,
noiselevel=-1)
continue
if not msgfunction in all_logentries:
all_logentries[msgfunction] = []
msgcontent = open(mysettings["T"]+"/logging/"+f, "r").readlines()
all_logentries[msgfunction].append((msgtype, msgcontent))
def filter_loglevels(logentries, loglevels):
# remove unwanted entries from all logentries
rValue = {}
loglevels = map(str.upper, loglevels)
for phase in logentries:
for msgtype, msgcontent in logentries[phase]:
if msgtype.upper() in loglevels or "*" in loglevels:
if not rValue.has_key(phase):
rValue[phase] = []
rValue[phase].append((msgtype, msgcontent))
return rValue
my_elog_classes = set(mysettings.get("PORTAGE_ELOG_CLASSES", "").split())
default_logentries = filter_loglevels(all_logentries, my_elog_classes)
# in case the filters matched all messages and no module overrides exist
if len(default_logentries) == 0 and (not ":" in mysettings.get("PORTAGE_ELOG_SYSTEM", "")):
return
def combine_logentries(logentries):
# generate a single string with all log messages
rValue = ""
for phase in portage_const.EBUILD_PHASES:
if not phase in logentries:
continue
for msgtype,msgcontent in logentries[phase]:
rValue += "%s: %s\n" % (msgtype, phase)
for line in msgcontent:
rValue += line
rValue += "\n"
return rValue
default_fulllog = combine_logentries(default_logentries)
# pass the processing to the individual modules
logsystems = mysettings["PORTAGE_ELOG_SYSTEM"].split()
for s in logsystems:
# allow per module overrides of PORTAGE_ELOG_CLASSES
if ":" in s:
s, levels = s.split(":", 1)
levels = levels.split(",")
mod_logentries = filter_loglevels(all_logentries, levels)
mod_fulllog = combine_logentries(mod_logentries)
else:
mod_logentries = default_logentries
mod_fulllog = default_fulllog
if len(mod_logentries) == 0:
continue
# - is nicer than _ for module names, so allow people to use it.
s = s.replace("-", "_")
try:
# FIXME: ugly ad.hoc import code
# TODO: implement a common portage module loader
logmodule = __import__("elog_modules.mod_"+s)
m = getattr(logmodule, "mod_"+s)
def timeout_handler(signum, frame):
raise portage_exception.PortageException(
"Timeout in elog_process for system '%s'" % s)
import signal
signal.signal(signal.SIGALRM, timeout_handler)
# Timeout after one minute (in case something like the mail
# module gets hung).
signal.alarm(60)
try:
m.process(mysettings, cpv, mod_logentries, mod_fulllog)
finally:
signal.alarm(0)
if hasattr(m, "finalize") and not m.finalize in _elog_atexit_handlers:
_elog_atexit_handlers.append(m.finalize)
atexit_register(m.finalize, mysettings)
except (ImportError, AttributeError), e:
writemsg("!!! Error while importing logging modules " + \
"while loading \"mod_%s\":\n" % str(s))
writemsg("%s\n" % str(e), noiselevel=-1)
except portage_exception.PortageException, e:
writemsg("%s\n" % str(e), noiselevel=-1)
# clean logfiles to avoid repetitions
for f in mylogfiles:
try:
os.unlink(os.path.join(mysettings["T"], "logging", f))
except OSError:
pass
#parse /etc/env.d and generate /etc/profile.env
def env_update(makelinks=1, target_root=None, prev_mtimes=None, contents=None,
env=None):
if target_root is None:
global root
target_root = root
if prev_mtimes is None:
global mtimedb
prev_mtimes = mtimedb["ldpath"]
if env is None:
env = os.environ
envd_dir = os.path.join(target_root, "etc", "env.d")
portage_util.ensure_dirs(envd_dir, mode=0755)
fns = listdir(envd_dir, EmptyOnError=1)
fns.sort()
templist = []
for x in fns:
if len(x) < 3:
continue
if not x[0].isdigit() or not x[1].isdigit():
continue
if x.startswith(".") or x.endswith("~") or x.endswith(".bak"):
continue
templist.append(x)
fns = templist
del templist
space_separated = set(["CONFIG_PROTECT", "CONFIG_PROTECT_MASK"])
colon_separated = set(["ADA_INCLUDE_PATH", "ADA_OBJECTS_PATH",
"CLASSPATH", "INFODIR", "INFOPATH", "KDEDIRS", "LDPATH", "MANPATH",
"PATH", "PKG_CONFIG_PATH", "PRELINK_PATH", "PRELINK_PATH_MASK",
"PYTHONPATH", "ROOTPATH"])
config_list = []
for x in fns:
file_path = os.path.join(envd_dir, x)
try:
myconfig = getconfig(file_path, expand=False)
except portage_exception.ParseError, e:
writemsg("!!! '%s'\n" % str(e), noiselevel=-1)
del e
continue
if myconfig is None:
# broken symlink or file removed by a concurrent process
writemsg("!!! File Not Found: '%s'\n" % file_path, noiselevel=-1)
continue
config_list.append(myconfig)
if "SPACE_SEPARATED" in myconfig:
space_separated.update(myconfig["SPACE_SEPARATED"].split())
del myconfig["SPACE_SEPARATED"]
if "COLON_SEPARATED" in myconfig:
colon_separated.update(myconfig["COLON_SEPARATED"].split())
del myconfig["COLON_SEPARATED"]
env = {}
specials = {}
for var in space_separated:
mylist = []
for myconfig in config_list:
if var in myconfig:
for item in myconfig[var].split():
if item and not item in mylist:
mylist.append(item)
del myconfig[var] # prepare for env.update(myconfig)
if mylist:
env[var] = " ".join(mylist)
specials[var] = mylist
for var in colon_separated:
mylist = []
for myconfig in config_list:
if var in myconfig:
for item in myconfig[var].split(":"):
if item and not item in mylist:
mylist.append(item)
del myconfig[var] # prepare for env.update(myconfig)
if mylist:
env[var] = ":".join(mylist)
specials[var] = mylist
for myconfig in config_list:
"""Cumulative variables have already been deleted from myconfig so that
they won't be overwritten by this dict.update call."""
env.update(myconfig)
ldsoconf_path = os.path.join(target_root, "etc", "ld.so.conf")
try:
myld = open(ldsoconf_path)
myldlines=myld.readlines()
myld.close()
oldld=[]
for x in myldlines:
#each line has at least one char (a newline)
if x[0]=="#":
continue
oldld.append(x[:-1])
except (IOError, OSError), e:
if e.errno != errno.ENOENT:
raise
oldld = None
ld_cache_update=False
newld = specials["LDPATH"]
if (oldld!=newld):
#ld.so.conf needs updating and ldconfig needs to be run
myfd = atomic_ofstream(ldsoconf_path)
myfd.write("# ld.so.conf autogenerated by env-update; make all changes to\n")
myfd.write("# contents of /etc/env.d directory\n")
for x in specials["LDPATH"]:
myfd.write(x+"\n")
myfd.close()
ld_cache_update=True
# Update prelink.conf if we are prelink-enabled
if prelink_capable:
newprelink = atomic_ofstream(
os.path.join(target_root, "etc", "prelink.conf"))
newprelink.write("# prelink.conf autogenerated by env-update; make all changes to\n")
newprelink.write("# contents of /etc/env.d directory\n")
for x in ["/bin","/sbin","/usr/bin","/usr/sbin","/lib","/usr/lib"]:
newprelink.write("-l "+x+"\n");
for x in specials["LDPATH"]+specials["PATH"]+specials["PRELINK_PATH"]:
if not x:
continue
if x[-1]!='/':
x=x+"/"
plmasked=0
for y in specials["PRELINK_PATH_MASK"]:
if not y:
continue
if y[-1]!='/':
y=y+"/"
if y==x[0:len(y)]:
plmasked=1
break
if not plmasked:
newprelink.write("-h "+x+"\n")
for x in specials["PRELINK_PATH_MASK"]:
newprelink.write("-b "+x+"\n")
newprelink.close()
# Portage stores mtimes with 1 second granularity but in >=python-2.5 finer
# granularity is possible. In order to avoid the potential ambiguity of
# mtimes that differ by less than 1 second, sleep here if any of the
# directories have been modified during the current second.
sleep_for_mtime_granularity = False
current_time = long(time.time())
mtime_changed = False
lib_dirs = set()
for lib_dir in portage_util.unique_array(specials["LDPATH"]+['usr/lib','usr/lib64','usr/lib32','lib','lib64','lib32']):
x = os.path.join(target_root, lib_dir.lstrip(os.sep))
try:
newldpathtime = long(os.stat(x).st_mtime)
lib_dirs.add(normalize_path(x))
except OSError, oe:
if oe.errno == errno.ENOENT:
try:
del prev_mtimes[x]
except KeyError:
pass
# ignore this path because it doesn't exist
continue
raise
if newldpathtime == current_time:
sleep_for_mtime_granularity = True
if x in prev_mtimes:
if prev_mtimes[x] == newldpathtime:
pass
else:
prev_mtimes[x] = newldpathtime
mtime_changed = True
else:
prev_mtimes[x] = newldpathtime
mtime_changed = True
if mtime_changed:
ld_cache_update = True
if makelinks and \
not ld_cache_update and \
contents is not None:
libdir_contents_changed = False
for mypath, mydata in contents.iteritems():
if mydata[0] not in ("obj","sym"):
continue
head, tail = os.path.split(mypath)
if head in lib_dirs:
libdir_contents_changed = True
break
if not libdir_contents_changed:
makelinks = False
ldconfig = "/sbin/ldconfig"
if "CHOST" in env and "CBUILD" in env and \
env["CHOST"] != env["CBUILD"]:
from portage_exec import find_binary
ldconfig = find_binary("%s-ldconfig" % env["CHOST"])
# Only run ldconfig as needed
if (ld_cache_update or makelinks) and ldconfig:
# ldconfig has very different behaviour between FreeBSD and Linux
if ostype=="Linux" or ostype.lower().endswith("gnu"):
# We can't update links if we haven't cleaned other versions first, as
# an older package installed ON TOP of a newer version will cause ldconfig
# to overwrite the symlinks we just made. -X means no links. After 'clean'
# we can safely create links.
writemsg(">>> Regenerating %setc/ld.so.cache...\n" % target_root)
if makelinks:
os.system("cd / ; %s -r '%s'" % (ldconfig, target_root))
else:
os.system("cd / ; %s -X -r '%s'" % (ldconfig, target_root))
elif ostype in ("FreeBSD","DragonFly"):
writemsg(">>> Regenerating %svar/run/ld-elf.so.hints...\n" % \
target_root)
os.system(("cd / ; %s -elf -i " + \
"-f '%svar/run/ld-elf.so.hints' '%setc/ld.so.conf'") % \
(ldconfig, target_root, target_root))
del specials["LDPATH"]
penvnotice = "# THIS FILE IS AUTOMATICALLY GENERATED BY env-update.\n"
penvnotice += "# DO NOT EDIT THIS FILE. CHANGES TO STARTUP PROFILES\n"
cenvnotice = penvnotice[:]
penvnotice += "# GO INTO /etc/profile NOT /etc/profile.env\n\n"
cenvnotice += "# GO INTO /etc/csh.cshrc NOT /etc/csh.env\n\n"
#create /etc/profile.env for bash support
outfile = atomic_ofstream(os.path.join(target_root, "etc", "profile.env"))
outfile.write(penvnotice)
env_keys = [ x for x in env if x != "LDPATH" ]
env_keys.sort()
for x in env_keys:
outfile.write("export %s='%s'\n" % (x, env[x]))
outfile.close()
#create /etc/csh.env for (t)csh support
outfile = atomic_ofstream(os.path.join(target_root, "etc", "csh.env"))
outfile.write(cenvnotice)
for x in env_keys:
outfile.write("setenv %s '%s'\n" % (x, env[x]))
outfile.close()
if sleep_for_mtime_granularity:
while current_time == long(time.time()):
sleep(1)
def ExtractKernelVersion(base_dir):
"""
Try to figure out what kernel version we are running
@param base_dir: Path to sources (usually /usr/src/linux)
@type base_dir: string
@rtype: tuple( version[string], error[string])
@returns:
1. tuple( version[string], error[string])
Either version or error is populated (but never both)
"""
lines = []
pathname = os.path.join(base_dir, 'Makefile')
try:
f = open(pathname, 'r')
except OSError, details:
return (None, str(details))
except IOError, details:
return (None, str(details))
try:
for i in range(4):
lines.append(f.readline())
except OSError, details:
return (None, str(details))
except IOError, details:
return (None, str(details))
lines = [l.strip() for l in lines]
version = ''
#XXX: The following code relies on the ordering of vars within the Makefile
for line in lines:
# split on the '=' then remove annoying whitespace
items = line.split("=")
items = [i.strip() for i in items]
if items[0] == 'VERSION' or \
items[0] == 'PATCHLEVEL':
version += items[1]
version += "."
elif items[0] == 'SUBLEVEL':
version += items[1]
elif items[0] == 'EXTRAVERSION' and \
items[-1] != items[0]:
version += items[1]
# Grab a list of files named localversion* and sort them
localversions = os.listdir(base_dir)
for x in range(len(localversions)-1,-1,-1):
if localversions[x][:12] != "localversion":
del localversions[x]
localversions.sort()
# Append the contents of each to the version string, stripping ALL whitespace
for lv in localversions:
version += "".join( " ".join( grabfile( base_dir+ "/" + lv ) ).split() )
# Check the .config for a CONFIG_LOCALVERSION and append that too, also stripping whitespace
kernelconfig = getconfig(base_dir+"/.config")
if kernelconfig and kernelconfig.has_key("CONFIG_LOCALVERSION"):
version += "".join(kernelconfig["CONFIG_LOCALVERSION"].split())
return (version,None)
def autouse(myvartree, use_cache=1, mysettings=None):
"""
autuse returns a list of USE variables auto-enabled to packages being installed
@param myvartree: Instance of the vartree class (from /var/db/pkg...)
@type myvartree: vartree
@param use_cache: read values from cache
@type use_cache: Boolean
@param mysettings: Instance of config
@type mysettings: config
@rtype: string
@returns: A string containing a list of USE variables that are enabled via use.defaults
"""
if mysettings is None:
global settings
mysettings = settings
if mysettings.profile_path is None:
return ""
myusevars=""
usedefaults = mysettings.use_defs
for myuse in usedefaults:
dep_met = True
for mydep in usedefaults[myuse]:
if not myvartree.dep_match(mydep,use_cache=True):
dep_met = False
break
if dep_met:
myusevars += " "+myuse
return myusevars
def check_config_instance(test):
if not test or (str(test.__class__) != 'portage.config'):
raise TypeError, "Invalid type for config object: %s" % test.__class__
class config:
"""
This class encompasses the main portage configuration. Data is pulled from
ROOT/PORTDIR/profiles/, from ROOT/etc/make.profile incrementally through all
parent profiles as well as from ROOT/PORTAGE_CONFIGROOT/* for user specified
overrides.
Generally if you need data like USE flags, FEATURES, environment variables,
virtuals ...etc you look in here.
"""
def __init__(self, clone=None, mycpv=None, config_profile_path=None,
config_incrementals=None, config_root=None, target_root=None,
local_config=True):
"""
@param clone: If provided, init will use deepcopy to copy by value the instance.
@type clone: Instance of config class.
@param mycpv: CPV to load up (see setcpv), this is the same as calling init with mycpv=None
and then calling instance.setcpv(mycpv).
@type mycpv: String
@param config_profile_path: Configurable path to the profile (usually PROFILE_PATH from portage_const)
@type config_profile_path: String
@param config_incrementals: List of incremental variables (usually portage_const.INCREMENTALS)
@type config_incrementals: List
@param config_root: path to read local config from (defaults to "/", see PORTAGE_CONFIGROOT)
@type config_root: String
@param target_root: __init__ override of $ROOT env variable.
@type target_root: String
@param local_config: Enables loading of local config (/etc/portage); used most by repoman to
ignore local config (keywording and unmasking)
@type local_config: Boolean
"""
debug = os.environ.get("PORTAGE_DEBUG") == "1"
self.already_in_regenerate = 0
self.locked = 0
self.mycpv = None
self.puse = []
self.modifiedkeys = []
self.uvlist = []
self.virtuals = {}
self.virts_p = {}
self.dirVirtuals = None
self.v_count = 0
# Virtuals obtained from the vartree
self.treeVirtuals = {}
# Virtuals by user specification. Includes negatives.
self.userVirtuals = {}
# Virtual negatives from user specifications.
self.negVirtuals = {}
self.user_profile_dir = None
self.local_config = local_config
if clone:
self.incrementals = copy.deepcopy(clone.incrementals)
self.profile_path = copy.deepcopy(clone.profile_path)
self.user_profile_dir = copy.deepcopy(clone.user_profile_dir)
self.local_config = copy.deepcopy(clone.local_config)
self.module_priority = copy.deepcopy(clone.module_priority)
self.modules = copy.deepcopy(clone.modules)
self.depcachedir = copy.deepcopy(clone.depcachedir)
self.packages = copy.deepcopy(clone.packages)
self.virtuals = copy.deepcopy(clone.virtuals)
self.treeVirtuals = copy.deepcopy(clone.treeVirtuals)
self.userVirtuals = copy.deepcopy(clone.userVirtuals)
self.negVirtuals = copy.deepcopy(clone.negVirtuals)
self.use_defs = copy.deepcopy(clone.use_defs)
self.usemask = copy.deepcopy(clone.usemask)
self.usemask_list = copy.deepcopy(clone.usemask_list)
self.pusemask_list = copy.deepcopy(clone.pusemask_list)
self.useforce = copy.deepcopy(clone.useforce)
self.useforce_list = copy.deepcopy(clone.useforce_list)
self.puseforce_list = copy.deepcopy(clone.puseforce_list)
self.puse = copy.deepcopy(clone.puse)
self.make_defaults_use = copy.deepcopy(clone.make_defaults_use)
self.pkgprofileuse = copy.deepcopy(clone.pkgprofileuse)
self.mycpv = copy.deepcopy(clone.mycpv)
self.configlist = copy.deepcopy(clone.configlist)
self.lookuplist = self.configlist[:]
self.lookuplist.reverse()
self.configdict = {
"env.d": self.configlist[0],
"pkginternal": self.configlist[1],
"globals": self.configlist[2],
"defaults": self.configlist[3],
"conf": self.configlist[4],
"pkg": self.configlist[5],
"auto": self.configlist[6],
"backupenv": self.configlist[7],
"env": self.configlist[8] }
self.profiles = copy.deepcopy(clone.profiles)
self.backupenv = self.configdict["backupenv"]
self.pusedict = copy.deepcopy(clone.pusedict)
self.categories = copy.deepcopy(clone.categories)
self.pkeywordsdict = copy.deepcopy(clone.pkeywordsdict)
self.pmaskdict = copy.deepcopy(clone.pmaskdict)
self.punmaskdict = copy.deepcopy(clone.punmaskdict)
self.prevmaskdict = copy.deepcopy(clone.prevmaskdict)
self.pprovideddict = copy.deepcopy(clone.pprovideddict)
self.dirVirtuals = copy.deepcopy(clone.dirVirtuals)
self.treeVirtuals = copy.deepcopy(clone.treeVirtuals)
self.features = copy.deepcopy(clone.features)
else:
# backupenv is for calculated incremental variables.
self.backupenv = os.environ.copy()
if not local_config:
# Clean up pollution from portage_data so that it doesn't
# interfere with repoman.
self.backupenv.pop("USERLAND", None)
def check_var_directory(varname, var):
if not os.path.isdir(var):
writemsg(("!!! Error: %s='%s' is not a directory. " + \
"Please correct this.\n") % (varname, var),
noiselevel=-1)
raise portage_exception.DirectoryNotFound(var)
if config_root is None:
config_root = "/"
config_root = normalize_path(os.path.abspath(
config_root)).rstrip(os.path.sep) + os.path.sep
check_var_directory("PORTAGE_CONFIGROOT", config_root)
self.depcachedir = DEPCACHE_PATH
if not config_profile_path:
config_profile_path = \
os.path.join(config_root, PROFILE_PATH.lstrip(os.path.sep))
if os.path.isdir(config_profile_path):
self.profile_path = config_profile_path
else:
self.profile_path = None
else:
self.profile_path = config_profile_path[:]
if not config_incrementals:
writemsg("incrementals not specified to class config\n")
self.incrementals = copy.deepcopy(portage_const.INCREMENTALS)
else:
self.incrementals = copy.deepcopy(config_incrementals)
self.module_priority = ["user","default"]
self.modules = {}
self.modules["user"] = getconfig(
os.path.join(config_root, MODULES_FILE_PATH.lstrip(os.path.sep)))
if self.modules["user"] is None:
self.modules["user"] = {}
self.modules["default"] = {
"portdbapi.metadbmodule": "cache.metadata.database",
"portdbapi.auxdbmodule": "cache.flat_hash.database",
}
self.usemask=[]
self.configlist=[]
# back up our incremental variables:
self.configdict={}
# configlist will contain: [ env.d, globals, defaults, conf, pkg, auto, backupenv, env ]
self.configlist.append({})
self.configdict["env.d"] = self.configlist[-1]
self.configlist.append({})
self.configdict["pkginternal"] = self.configlist[-1]
# The symlink might not exist or might not be a symlink.
if self.profile_path is None:
self.profiles = []
else:
self.profiles = []
def addProfile(currentPath):
parentsFile = os.path.join(currentPath, "parent")
if os.path.exists(parentsFile):
parents = grabfile(parentsFile)
if not parents:
raise portage_exception.ParseError(
"Empty parent file: '%s'" % parents_file)
for parentPath in parents:
parentPath = normalize_path(os.path.join(
currentPath, parentPath))
if os.path.exists(parentPath):
addProfile(parentPath)
else:
raise portage_exception.ParseError(
"Parent '%s' not found: '%s'" % \
(parentPath, parentsFile))
self.profiles.append(currentPath)
addProfile(os.path.realpath(self.profile_path))
if local_config:
custom_prof = os.path.join(
config_root, CUSTOM_PROFILE_PATH.lstrip(os.path.sep))
if os.path.exists(custom_prof):
self.user_profile_dir = custom_prof
self.profiles.append(custom_prof)
del custom_prof
self.packages_list = [grabfile_package(os.path.join(x, "packages")) for x in self.profiles]
self.packages = stack_lists(self.packages_list, incremental=1)
del self.packages_list
#self.packages = grab_stacked("packages", self.profiles, grabfile, incremental_lines=1)
# revmaskdict
self.prevmaskdict={}
for x in self.packages:
mycatpkg=dep_getkey(x)
if not self.prevmaskdict.has_key(mycatpkg):
self.prevmaskdict[mycatpkg]=[x]
else:
self.prevmaskdict[mycatpkg].append(x)
# get profile-masked use flags -- INCREMENTAL Child over parent
self.usemask_list = [grabfile(os.path.join(x, "use.mask")) \
for x in self.profiles]
self.usemask = set(stack_lists(
self.usemask_list, incremental=True))
use_defs_lists = [grabdict(os.path.join(x, "use.defaults")) for x in self.profiles]
self.use_defs = stack_dictlist(use_defs_lists, incremental=True)
del use_defs_lists
self.pusemask_list = []
rawpusemask = [grabdict_package(
os.path.join(x, "package.use.mask")) \
for x in self.profiles]
for i in xrange(len(self.profiles)):
cpdict = {}
for k, v in rawpusemask[i].iteritems():
cpdict.setdefault(dep_getkey(k), {})[k] = v
self.pusemask_list.append(cpdict)
del rawpusemask
self.pkgprofileuse = []
rawprofileuse = [grabdict_package(
os.path.join(x, "package.use"), juststrings=True) \
for x in self.profiles]
for i in xrange(len(self.profiles)):
cpdict = {}
for k, v in rawprofileuse[i].iteritems():
cpdict.setdefault(dep_getkey(k), {})[k] = v
self.pkgprofileuse.append(cpdict)
del rawprofileuse
self.useforce_list = [grabfile(os.path.join(x, "use.force")) \
for x in self.profiles]
self.useforce = set(stack_lists(
self.useforce_list, incremental=True))
self.puseforce_list = []
rawpuseforce = [grabdict_package(
os.path.join(x, "package.use.force")) \
for x in self.profiles]
for i in xrange(len(self.profiles)):
cpdict = {}
for k, v in rawpuseforce[i].iteritems():
cpdict.setdefault(dep_getkey(k), {})[k] = v
self.puseforce_list.append(cpdict)
del rawpuseforce
try:
self.mygcfg = getconfig(os.path.join(config_root, "etc", "make.globals"))
if self.mygcfg is None:
self.mygcfg = {}
except SystemExit, e:
raise
except Exception, e:
if debug:
raise
writemsg("!!! %s\n" % (e), noiselevel=-1)
if not isinstance(e, EnvironmentError):
writemsg("!!! Incorrect multiline literals can cause " + \
"this. Do not use them.\n", noiselevel=-1)
sys.exit(1)
self.configlist.append(self.mygcfg)
self.configdict["globals"]=self.configlist[-1]
self.make_defaults_use = []
self.mygcfg = {}
if self.profiles:
try:
mygcfg_dlists = [getconfig(os.path.join(x, "make.defaults")) for x in self.profiles]
for cfg in mygcfg_dlists:
if cfg:
self.make_defaults_use.append(cfg.get("USE", ""))
else:
self.make_defaults_use.append("")
self.mygcfg = stack_dicts(mygcfg_dlists, incrementals=portage_const.INCREMENTALS, ignore_none=1)
#self.mygcfg = grab_stacked("make.defaults", self.profiles, getconfig)
if self.mygcfg is None:
self.mygcfg = {}
except SystemExit, e:
raise
except Exception, e:
if debug:
raise
writemsg("!!! %s\n" % (e), noiselevel=-1)
if not isinstance(e, EnvironmentError):
writemsg("!!! 'rm -Rf /usr/portage/profiles; " + \
"emerge sync' may fix this. If it does\n",
noiselevel=-1)
writemsg("!!! not then please report this to " + \
"bugs.gentoo.org and, if possible, a dev\n",
noiselevel=-1)
writemsg("!!! on #gentoo (irc.freenode.org)\n",
noiselevel=-1)
sys.exit(1)
self.configlist.append(self.mygcfg)
self.configdict["defaults"]=self.configlist[-1]
try:
self.mygcfg = getconfig(
os.path.join(config_root, MAKE_CONF_FILE.lstrip(os.path.sep)),
allow_sourcing=True)
if self.mygcfg is None:
self.mygcfg = {}
except SystemExit, e:
raise
except Exception, e:
if debug:
raise
writemsg("!!! %s\n" % (e), noiselevel=-1)
if not isinstance(e, EnvironmentError):
writemsg("!!! Incorrect multiline literals can cause " + \
"this. Do not use them.\n", noiselevel=-1)
sys.exit(1)
# Allow ROOT setting to come from make.conf if it's not overridden
# by the constructor argument (from the calling environment). As a
# special exception for a very common use case, config_root == "/"
# implies that ROOT in make.conf should be ignored. That way, the
# user can chroot into $ROOT and the ROOT setting in make.conf will
# be automatically ignored (unless config_root is other than "/").
if config_root != "/" and \
target_root is None and "ROOT" in self.mygcfg:
target_root = self.mygcfg["ROOT"]
self.configlist.append(self.mygcfg)
self.configdict["conf"]=self.configlist[-1]
self.configlist.append({})
self.configdict["pkg"]=self.configlist[-1]
#auto-use:
self.configlist.append({})
self.configdict["auto"]=self.configlist[-1]
self.configlist.append(self.backupenv) # XXX Why though?
self.configdict["backupenv"]=self.configlist[-1]
self.configlist.append(os.environ.copy())
self.configdict["env"]=self.configlist[-1]
if not local_config:
# Clean up pollution from portage_data so that it doesn't
# interfere with repoman.
self.configdict["env"].pop("USERLAND", None)
# make lookuplist for loading package.*
self.lookuplist=self.configlist[:]
self.lookuplist.reverse()
# Blacklist vars that could interfere with portage internals.
for blacklisted in "CATEGORY", "PKGUSE", "PORTAGE_CONFIGROOT", \
"ROOT":
for cfg in self.lookuplist:
cfg.pop(blacklisted, None)
del blacklisted, cfg
if target_root is None:
target_root = "/"
target_root = normalize_path(os.path.abspath(
target_root)).rstrip(os.path.sep) + os.path.sep
check_var_directory("ROOT", target_root)
env_d = getconfig(
os.path.join(target_root, "etc", "profile.env"), expand=False)
# env_d will be None if profile.env doesn't exist.
if env_d:
self.configdict["env.d"].update(env_d)
# Remove duplicate values so they don't override updated
# profile.env values later (profile.env is reloaded in each
# call to self.regenerate).
for cfg in (self.configdict["backupenv"],
self.configdict["env"]):
for k, v in env_d.iteritems():
try:
if cfg[k] == v:
del cfg[k]
except KeyError:
pass
del cfg, k, v
self["PORTAGE_CONFIGROOT"] = config_root
self.backup_changes("PORTAGE_CONFIGROOT")
self["ROOT"] = target_root
self.backup_changes("ROOT")
self.pusedict = {}
self.pkeywordsdict = {}
self.punmaskdict = {}
abs_user_config = os.path.join(config_root,
USER_CONFIG_PATH.lstrip(os.path.sep))
# locations for "categories" and "arch.list" files
locations = [os.path.join(self["PORTDIR"], "profiles")]
pmask_locations = [os.path.join(self["PORTDIR"], "profiles")]
pmask_locations.extend(self.profiles)
""" repoman controls PORTDIR_OVERLAY via the environment, so no
special cases are needed here."""
overlay_profiles = []
for ov in self["PORTDIR_OVERLAY"].split():
ov = normalize_path(ov)
profiles_dir = os.path.join(ov, "profiles")
if os.path.isdir(profiles_dir):
overlay_profiles.append(profiles_dir)
locations += overlay_profiles
pmask_locations.extend(overlay_profiles)
if local_config:
locations.append(abs_user_config)
pmask_locations.append(abs_user_config)
pusedict = grabdict_package(
os.path.join(abs_user_config, "package.use"), recursive=1)
for key in pusedict.keys():
cp = dep_getkey(key)
if not self.pusedict.has_key(cp):
self.pusedict[cp] = {}
self.pusedict[cp][key] = pusedict[key]
#package.keywords
pkgdict = grabdict_package(
os.path.join(abs_user_config, "package.keywords"),
recursive=1)
for key in pkgdict.keys():
# default to ~arch if no specific keyword is given
if not pkgdict[key]:
mykeywordlist = []
if self.configdict["defaults"] and self.configdict["defaults"].has_key("ACCEPT_KEYWORDS"):
groups = self.configdict["defaults"]["ACCEPT_KEYWORDS"].split()
else:
groups = []
for keyword in groups:
if not keyword[0] in "~-":
mykeywordlist.append("~"+keyword)
pkgdict[key] = mykeywordlist
cp = dep_getkey(key)
if not self.pkeywordsdict.has_key(cp):
self.pkeywordsdict[cp] = {}
self.pkeywordsdict[cp][key] = pkgdict[key]
#package.unmask
pkgunmasklines = grabfile_package(
os.path.join(abs_user_config, "package.unmask"),
recursive=1)
for x in pkgunmasklines:
mycatpkg=dep_getkey(x)
if self.punmaskdict.has_key(mycatpkg):
self.punmaskdict[mycatpkg].append(x)
else:
self.punmaskdict[mycatpkg]=[x]
#getting categories from an external file now
categories = [grabfile(os.path.join(x, "categories")) for x in locations]
self.categories = stack_lists(categories, incremental=1)
del categories
archlist = [grabfile(os.path.join(x, "arch.list")) for x in locations]
archlist = stack_lists(archlist, incremental=1)
self.configdict["conf"]["PORTAGE_ARCHLIST"] = " ".join(archlist)
#package.mask
pkgmasklines = []
for x in pmask_locations:
pkgmasklines.append(grabfile_package(
os.path.join(x, "package.mask"), recursive=1))
pkgmasklines = stack_lists(pkgmasklines, incremental=1)
self.pmaskdict = {}
for x in pkgmasklines:
mycatpkg=dep_getkey(x)
if self.pmaskdict.has_key(mycatpkg):
self.pmaskdict[mycatpkg].append(x)
else:
self.pmaskdict[mycatpkg]=[x]
pkgprovidedlines = [grabfile(os.path.join(x, "package.provided")) for x in self.profiles]
pkgprovidedlines = stack_lists(pkgprovidedlines, incremental=1)
has_invalid_data = False
for x in range(len(pkgprovidedlines)-1, -1, -1):
myline = pkgprovidedlines[x]
if not isvalidatom("=" + myline):
writemsg("Invalid package name in package.provided:" + \
" %s\n" % myline, noiselevel=-1)
has_invalid_data = True
del pkgprovidedlines[x]
continue
cpvr = catpkgsplit(pkgprovidedlines[x])
if not cpvr or cpvr[0] == "null":
writemsg("Invalid package name in package.provided: "+pkgprovidedlines[x]+"\n",
noiselevel=-1)
has_invalid_data = True
del pkgprovidedlines[x]
continue
if cpvr[0] == "virtual":
writemsg("Virtual package in package.provided: %s\n" % \
myline, noiselevel=-1)
has_invalid_data = True
del pkgprovidedlines[x]
continue
if has_invalid_data:
writemsg("See portage(5) for correct package.provided usage.\n",
noiselevel=-1)
self.pprovideddict = {}
for x in pkgprovidedlines:
cpv=catpkgsplit(x)
if not x:
continue
mycatpkg=dep_getkey(x)
if self.pprovideddict.has_key(mycatpkg):
self.pprovideddict[mycatpkg].append(x)
else:
self.pprovideddict[mycatpkg]=[x]
# reasonable defaults; this is important as without USE_ORDER,
# USE will always be "" (nothing set)!
if "USE_ORDER" not in self:
self.backupenv["USE_ORDER"] = "env:pkg:conf:defaults:pkginternal"
self["PORTAGE_GID"] = str(portage_gid)
self.backup_changes("PORTAGE_GID")
if self.get("PORTAGE_DEPCACHEDIR", None):
self.depcachedir = self["PORTAGE_DEPCACHEDIR"]
self["PORTAGE_DEPCACHEDIR"] = self.depcachedir
self.backup_changes("PORTAGE_DEPCACHEDIR")
overlays = self.get("PORTDIR_OVERLAY","").split()
if overlays:
new_ov = []
for ov in overlays:
ov = normalize_path(ov)
if os.path.isdir(ov):
new_ov.append(ov)
else:
writemsg("!!! Invalid PORTDIR_OVERLAY" + \
" (not a dir): '%s'\n" % ov, noiselevel=-1)
self["PORTDIR_OVERLAY"] = " ".join(new_ov)
self.backup_changes("PORTDIR_OVERLAY")
if "CBUILD" not in self and "CHOST" in self:
self["CBUILD"] = self["CHOST"]
self.backup_changes("CBUILD")
self["PORTAGE_BIN_PATH"] = PORTAGE_BIN_PATH
self.backup_changes("PORTAGE_BIN_PATH")
self["PORTAGE_PYM_PATH"] = PORTAGE_PYM_PATH
self.backup_changes("PORTAGE_PYM_PATH")
for var in ("PORTAGE_INST_UID", "PORTAGE_INST_GID"):
try:
self[var] = str(int(self.get(var, "0")))
except ValueError:
writemsg(("!!! %s='%s' is not a valid integer. " + \
"Falling back to '0'.\n") % (var, self[var]),
noiselevel=-1)
self[var] = "0"
self.backup_changes(var)
self.regenerate()
self.features = portage_util.unique_array(self["FEATURES"].split())
if "gpg" in self.features:
if not os.path.exists(self["PORTAGE_GPG_DIR"]) or \
not os.path.isdir(self["PORTAGE_GPG_DIR"]):
writemsg(colorize("BAD", "PORTAGE_GPG_DIR is invalid." + \
" Removing gpg from FEATURES.\n"), noiselevel=-1)
self.features.remove("gpg")
if not portage_exec.sandbox_capable and \
("sandbox" in self.features or "usersandbox" in self.features):
if self.profile_path is not None and \
os.path.realpath(self.profile_path) == \
os.path.realpath(PROFILE_PATH):
""" Don't show this warning when running repoman and the
sandbox feature came from a profile that doesn't belong to
the user."""
writemsg(colorize("BAD", "!!! Problem with sandbox" + \
" binary. Disabling...\n\n"), noiselevel=-1)
if "sandbox" in self.features:
self.features.remove("sandbox")
if "usersandbox" in self.features:
self.features.remove("usersandbox")
self.features.sort()
self["FEATURES"] = " ".join(self.features)
self.backup_changes("FEATURES")
self._init_dirs()
if mycpv:
self.setcpv(mycpv)
def _init_dirs(self):
"""
Create a few directories that are critical to portage operation
"""
if not os.access(self["ROOT"], os.W_OK):
return
dir_mode_map = {
"tmp" :(-1, 01777, 0),
"var/tmp" :(-1, 01777, 0),
"var/lib/portage" :(portage_gid, 02750, 02),
"var/cache/edb" :(portage_gid, 0755, 02)
}
for mypath, (gid, mode, modemask) in dir_mode_map.iteritems():
try:
mydir = os.path.join(self["ROOT"], mypath)
portage_util.ensure_dirs(mydir, gid=gid, mode=mode, mask=modemask)
except portage_exception.PortageException, e:
writemsg("!!! Directory initialization failed: '%s'\n" % mydir,
noiselevel=-1)
writemsg("!!! %s\n" % str(e),
noiselevel=-1)
def validate(self):
"""Validate miscellaneous settings and display warnings if necessary.
(This code was previously in the global scope of portage.py)"""
groups = self["ACCEPT_KEYWORDS"].split()
archlist = self.archlist()
if not archlist:
writemsg("--- 'profiles/arch.list' is empty or not available. Empty portage tree?\n")
else:
for group in groups:
if group not in archlist and group[0] != '-':
writemsg("!!! INVALID ACCEPT_KEYWORDS: %s\n" % str(group),
noiselevel=-1)
abs_profile_path = os.path.join(self["PORTAGE_CONFIGROOT"],
PROFILE_PATH.lstrip(os.path.sep))
if not os.path.islink(abs_profile_path) and \
not os.path.exists(os.path.join(abs_profile_path, "parent")) and \
os.path.exists(os.path.join(self["PORTDIR"], "profiles")):
writemsg("\a\n\n!!! %s is not a symlink and will probably prevent most merges.\n" % abs_profile_path,
noiselevel=-1)
writemsg("!!! It should point into a profile within %s/profiles/\n" % self["PORTDIR"])
writemsg("!!! (You can safely ignore this message when syncing. It's harmless.)\n\n\n")
abs_user_virtuals = os.path.join(self["PORTAGE_CONFIGROOT"],
USER_VIRTUALS_FILE.lstrip(os.path.sep))
if os.path.exists(abs_user_virtuals):
writemsg("\n!!! /etc/portage/virtuals is deprecated in favor of\n")
writemsg("!!! /etc/portage/profile/virtuals. Please move it to\n")
writemsg("!!! this new location.\n\n")
def loadVirtuals(self,root):
"""Not currently used by portage."""
writemsg("DEPRECATED: portage.config.loadVirtuals\n")
self.getvirtuals(root)
def load_best_module(self,property_string):
best_mod = best_from_dict(property_string,self.modules,self.module_priority)
try:
mod = load_mod(best_mod)
except ImportError:
dump_traceback(red("Error: Failed to import module '%s'") % best_mod, noiselevel=0)
sys.exit(1)
return mod
def lock(self):
self.locked = 1
def unlock(self):
self.locked = 0
def modifying(self):
if self.locked:
raise Exception, "Configuration is locked."
def backup_changes(self,key=None):
self.modifying()
if key and self.configdict["env"].has_key(key):
self.backupenv[key] = copy.deepcopy(self.configdict["env"][key])
else:
raise KeyError, "No such key defined in environment: %s" % key
def reset(self,keeping_pkg=0,use_cache=1):
"""
Restore environment from self.backupenv, call self.regenerate()
@param keeping_pkg: Should we keep the set_cpv() data or delete it.
@type keeping_pkg: Boolean
@param use_cache: Should self.regenerate use the cache or not
@type use_cache: Boolean
@rype: None
"""
self.modifying()
self.configdict["env"].clear()
self.configdict["env"].update(self.backupenv)
self.modifiedkeys = []
if not keeping_pkg:
self.mycpv = None
self.puse = ""
self.configdict["pkg"].clear()
self.configdict["pkginternal"].clear()
self.configdict["defaults"]["USE"] = \
" ".join(self.make_defaults_use)
self.usemask = set(stack_lists(
self.usemask_list, incremental=True))
self.useforce = set(stack_lists(
self.useforce_list, incremental=True))
self.regenerate(use_cache=use_cache)
def load_infodir(self,infodir):
self.modifying()
if self.configdict.has_key("pkg"):
for x in self.configdict["pkg"].keys():
del self.configdict["pkg"][x]
else:
writemsg("No pkg setup for settings instance?\n",
noiselevel=-1)
sys.exit(17)
if os.path.exists(infodir):
if os.path.exists(infodir+"/environment"):
self.configdict["pkg"]["PORT_ENV_FILE"] = infodir+"/environment"
myre = re.compile('^[A-Z]+$')
null_byte = "\0"
for filename in listdir(infodir,filesonly=1,EmptyOnError=1):
if filename == "FEATURES":
# FEATURES from the build host shouldn't be interpreted as
# FEATURES on the client system.
continue
if myre.match(filename):
try:
file_path = os.path.join(infodir, filename)
mydata = open(file_path).read().strip()
if len(mydata) < 2048 or filename == "USE":
if null_byte in mydata:
writemsg("!!! Null byte found in metadata " + \
"file: '%s'\n" % file_path, noiselevel=-1)
continue
if filename == "USE":
binpkg_flags = "-* " + mydata
self.configdict["pkg"][filename] = binpkg_flags
self.configdict["env"][filename] = mydata
else:
self.configdict["pkg"][filename] = mydata
self.configdict["env"][filename] = mydata
# CATEGORY is important because it's used in doebuild
# to infer the cpv. If it's corrupted, it leads to
# strange errors later on, so we'll validate it and
# print a warning if necessary.
if filename == "CATEGORY":
matchobj = re.match("[-a-zA-Z0-9_.+]+", mydata)
if not matchobj or matchobj.start() != 0 or \
matchobj.end() != len(mydata):
writemsg("!!! CATEGORY file is corrupt: %s\n" % \
os.path.join(infodir, filename), noiselevel=-1)
except (OSError, IOError):
writemsg("!!! Unable to read file: %s\n" % infodir+"/"+filename,
noiselevel=-1)
pass
return 1
return 0
def setcpv(self, mycpv, use_cache=1, mydb=None):
"""
Load a particular CPV into the config, this lets us see the
Default USE flags for a particular ebuild as well as the USE
flags from package.use.
@param mycpv: A cpv to load
@type mycpv: string
@param use_cache: Enables caching
@type use_cache: Boolean
@param mydb: a dbapi instance that supports aux_get with the IUSE key.
@type mydb: dbapi or derivative.
@rtype: None
"""
self.modifying()
if self.mycpv == mycpv:
return
has_changed = False
self.mycpv = mycpv
cp = dep_getkey(mycpv)
cpv_slot = self.mycpv
pkginternaluse = ""
iuse = ""
if mydb:
slot, iuse = mydb.aux_get(self.mycpv, ["SLOT", "IUSE"])
cpv_slot = "%s:%s" % (self.mycpv, slot)
pkginternaluse = []
for x in iuse.split():
if x.startswith("+"):
pkginternaluse.append(x[1:])
elif x.startswith("-"):
pkginternaluse.append(x)
pkginternaluse = " ".join(pkginternaluse)
if pkginternaluse != self.configdict["pkginternal"].get("USE", ""):
self.configdict["pkginternal"]["USE"] = pkginternaluse
has_changed = True
defaults = []
for i in xrange(len(self.profiles)):
defaults.append(self.make_defaults_use[i])
cpdict = self.pkgprofileuse[i].get(cp, None)
if cpdict:
best_match = best_match_to_list(cpv_slot, cpdict.keys())
if best_match:
defaults.append(cpdict[best_match])
defaults = " ".join(defaults)
if defaults != self.configdict["defaults"].get("USE",""):
self.configdict["defaults"]["USE"] = defaults
has_changed = True
useforce = []
for i in xrange(len(self.profiles)):
useforce.append(self.useforce_list[i])
cpdict = self.puseforce_list[i].get(cp, None)
if cpdict:
best_match = best_match_to_list(cpv_slot, cpdict.keys())
if best_match:
useforce.append(cpdict[best_match])
useforce = set(stack_lists(useforce, incremental=True))
if useforce != self.useforce:
self.useforce = useforce
has_changed = True
usemask = []
for i in xrange(len(self.profiles)):
usemask.append(self.usemask_list[i])
cpdict = self.pusemask_list[i].get(cp, None)
if cpdict:
best_match = best_match_to_list(cpv_slot, cpdict.keys())
if best_match:
usemask.append(cpdict[best_match])
usemask = set(stack_lists(usemask, incremental=True))
if usemask != self.usemask:
self.usemask = usemask
has_changed = True
oldpuse = self.puse
self.puse = ""
cpdict = self.pusedict.get(cp)
if cpdict:
self.pusekey = best_match_to_list(cpv_slot, cpdict.keys())
if self.pusekey:
self.puse = " ".join(cpdict[self.pusekey])
if oldpuse != self.puse:
has_changed = True
self.configdict["pkg"]["PKGUSE"] = self.puse[:] # For saving to PUSE file
self.configdict["pkg"]["USE"] = self.puse[:] # this gets appended to USE
if iuse != self.configdict["pkg"].get("IUSE",""):
self.configdict["pkg"]["IUSE"] = iuse
has_changed = True
# CATEGORY is essential for doebuild calls
self.configdict["pkg"]["CATEGORY"] = mycpv.split("/")[0]
if has_changed:
self.reset(keeping_pkg=1,use_cache=use_cache)
def setinst(self,mycpv,mydbapi):
self.modifying()
if len(self.virtuals) == 0:
self.getvirtuals()
# Grab the virtuals this package provides and add them into the tree virtuals.
provides = mydbapi.aux_get(mycpv, ["PROVIDE"])[0]
if isinstance(mydbapi, portdbapi):
myuse = self["USE"]
else:
myuse = mydbapi.aux_get(mycpv, ["USE"])[0]
virts = flatten(portage_dep.use_reduce(portage_dep.paren_reduce(provides), uselist=myuse.split()))
cp = dep_getkey(mycpv)
for virt in virts:
virt = dep_getkey(virt)
if not self.treeVirtuals.has_key(virt):
self.treeVirtuals[virt] = []
# XXX: Is this bad? -- It's a permanent modification
if cp not in self.treeVirtuals[virt]:
self.treeVirtuals[virt].append(cp)
self.virtuals = self.__getvirtuals_compile()
def regenerate(self,useonly=0,use_cache=1):
"""
Regenerate settings
This involves regenerating valid USE flags, re-expanding USE_EXPAND flags
re-stacking USE flags (-flag and -*), as well as any other INCREMENTAL
variables. This also updates the env.d configdict; useful in case an ebuild
changes the environment.
If FEATURES has already stacked, it is not stacked twice.
@param useonly: Only regenerate USE flags (not any other incrementals)
@type useonly: Boolean
@param use_cache: Enable Caching (only for autouse)
@type use_cache: Boolean
@rtype: None
"""
self.modifying()
if self.already_in_regenerate:
# XXX: THIS REALLY NEEDS TO GET FIXED. autouse() loops.
writemsg("!!! Looping in regenerate.\n",1)
return
else:
self.already_in_regenerate = 1
# We grab the latest profile.env here since it changes frequently.
self.configdict["env.d"].clear()
env_d = getconfig(
os.path.join(self["ROOT"], "etc", "profile.env"), expand=False)
if env_d:
# env_d will be None if profile.env doesn't exist.
self.configdict["env.d"].update(env_d)
if useonly:
myincrementals=["USE"]
else:
myincrementals = self.incrementals
myincrementals = set(myincrementals)
# If self.features exists, it has already been stacked and may have
# been mutated, so don't stack it again or else any mutations will be
# reverted.
if "FEATURES" in myincrementals and hasattr(self, "features"):
myincrementals.remove("FEATURES")
if "USE" in myincrementals:
# Process USE last because it depends on USE_EXPAND which is also
# an incremental!
myincrementals.remove("USE")
for mykey in myincrementals:
mydbs=self.configlist[:-1]
myflags=[]
for curdb in mydbs:
if mykey not in curdb:
continue
#variables are already expanded
mysplit = curdb[mykey].split()
for x in mysplit:
if x=="-*":
# "-*" is a special "minus" var that means "unset all settings".
# so USE="-* gnome" will have *just* gnome enabled.
myflags = []
continue
if x[0]=="+":
# Not legal. People assume too much. Complain.
writemsg(red("USE flags should not start with a '+': %s\n" % x),
noiselevel=-1)
x=x[1:]
if not x:
continue
if (x[0]=="-"):
if (x[1:] in myflags):
# Unset/Remove it.
del myflags[myflags.index(x[1:])]
continue
# We got here, so add it now.
if x not in myflags:
myflags.append(x)
myflags.sort()
#store setting in last element of configlist, the original environment:
if myflags or mykey in self:
self.configlist[-1][mykey] = " ".join(myflags)
del myflags
# Do the USE calculation last because it depends on USE_EXPAND.
if "auto" in self["USE_ORDER"].split(":"):
self.configdict["auto"]["USE"] = autouse(
vartree(root=self["ROOT"], categories=self.categories,
settings=self),
use_cache=use_cache, mysettings=self)
else:
self.configdict["auto"]["USE"] = ""
use_expand = self.get("USE_EXPAND", "").split()
if not self.uvlist:
for x in self["USE_ORDER"].split(":"):
if x in self.configdict:
self.uvlist.append(self.configdict[x])
self.uvlist.reverse()
myflags = set()
for curdb in self.uvlist:
cur_use_expand = [x for x in use_expand if x in curdb]
mysplit = curdb.get("USE", "").split()
if not mysplit and not cur_use_expand:
continue
for x in mysplit:
if x == "-*":
myflags.clear()
continue
if x[0] == "+":
writemsg(colorize("BAD", "USE flags should not start " + \
"with a '+': %s\n" % x), noiselevel=-1)
x = x[1:]
if not x:
continue
if x[0] == "-":
myflags.discard(x[1:])
continue
myflags.add(x)
for var in cur_use_expand:
var_lower = var.lower()
is_not_incremental = var not in myincrementals
if is_not_incremental:
prefix = var_lower + "_"
for x in list(myflags):
if x.startswith(prefix):
myflags.remove(x)
for x in curdb[var].split():
if x[0] == "+":
if is_not_incremental:
writemsg(colorize("BAD", "Invalid '+' " + \
"operator in non-incremental variable " + \
"'%s': '%s'\n" % (var, x)), noiselevel=-1)
continue
else:
writemsg(colorize("BAD", "Invalid '+' " + \
"operator in incremental variable " + \
"'%s': '%s'\n" % (var, x)), noiselevel=-1)
x = x[1:]
if x[0] == "-":
if is_not_incremental:
writemsg(colorize("BAD", "Invalid '-' " + \
"operator in non-incremental variable " + \
"'%s': '%s'\n" % (var, x)), noiselevel=-1)
continue
myflags.discard(var_lower + "_" + x[1:])
continue
myflags.add(var_lower + "_" + x)
myflags.update(self.useforce)
# FEATURES=test should imply USE=test
if "test" in self.configlist[-1].get("FEATURES","").split():
myflags.add("test")
if self.get("EBUILD_FORCE_TEST") == "1":
self.usemask.discard("test")
usesplit = [ x for x in myflags if \
x not in self.usemask]
# Use the calculated USE flags to regenerate the USE_EXPAND flags so
# that they are consistent.
iuse = self.configdict["pkg"].get("IUSE","").split()
iuse = [ x.lstrip("+-") for x in iuse ]
for var in use_expand:
prefix = var.lower() + "_"
prefix_len = len(prefix)
expand_flags = set([ x[prefix_len:] for x in usesplit \
if x.startswith(prefix) ])
var_split = self.get(var, "").split()
# Preserve the order of var_split because it can matter for things
# like LINGUAS.
var_split = [ x for x in var_split if x in expand_flags ]
var_split.extend(expand_flags.difference(var_split))
if (var_split or var in self) and \
"*" not in var_split:
# Don't export empty USE_EXPAND vars unless the user config
# exports them as empty. This is required for vars such as
# LINGUAS, where unset and empty have different meanings.
self[var] = " ".join(var_split)
elif "*" in var_split:
# * means to enable everything in IUSE that's not masked
filtered_split = []
for x in var_split:
if x == "*":
continue
if (prefix + x) in iuse:
filtered_split.append(x)
var_split = filtered_split
for x in iuse:
if x.startswith(prefix) and x not in self.usemask:
suffix = x[prefix_len:]
if suffix in var_split:
continue
var_split.append(suffix)
usesplit.append(x)
if var_split:
self[var] = " ".join(var_split)
elif var in self:
# ebuild.sh will see this and unset the variable so
# that things like LINGUAS work properly
self[var] = "*"
# Pre-Pend ARCH variable to USE settings so '-*' in env doesn't kill arch.
if self.configdict["defaults"].has_key("ARCH"):
if self.configdict["defaults"]["ARCH"]:
if self.configdict["defaults"]["ARCH"] not in usesplit:
usesplit.insert(0,self.configdict["defaults"]["ARCH"])
usesplit.sort()
self.configlist[-1]["USE"]= " ".join(usesplit)
self.already_in_regenerate = 0
def get_virts_p(self, myroot):
if self.virts_p:
return self.virts_p
virts = self.getvirtuals(myroot)
if virts:
myvkeys = virts.keys()
for x in myvkeys:
vkeysplit = x.split("/")
if not self.virts_p.has_key(vkeysplit[1]):
self.virts_p[vkeysplit[1]] = virts[x]
return self.virts_p
def getvirtuals(self, myroot=None):
"""myroot is now ignored because, due to caching, it has always been
broken for all but the first call."""
myroot = self["ROOT"]
if self.virtuals:
return self.virtuals
virtuals_list = []
for x in self.profiles:
virtuals_file = os.path.join(x, "virtuals")
virtuals_dict = grabdict(virtuals_file)
for k in virtuals_dict.keys():
if not isvalidatom(k) or dep_getkey(k) != k:
writemsg("--- Invalid virtuals atom in %s: %s\n" % \
(virtuals_file, k), noiselevel=-1)
del virtuals_dict[k]
continue
myvalues = virtuals_dict[k]
for x in myvalues:
myatom = x
if x.startswith("-"):
# allow incrementals
myatom = x[1:]
if not isvalidatom(myatom):
writemsg("--- Invalid atom in %s: %s\n" % \
(virtuals_file, x), noiselevel=-1)
myvalues.remove(x)
if not myvalues:
del virtuals_dict[k]
if virtuals_dict:
virtuals_list.append(virtuals_dict)
self.dirVirtuals = stack_dictlist(virtuals_list, incremental=True)
del virtuals_list
for virt in self.dirVirtuals:
# Preference for virtuals decreases from left to right.
self.dirVirtuals[virt].reverse()
# Repoman does not use user or tree virtuals.
if self.local_config and not self.treeVirtuals:
temp_vartree = vartree(myroot, None,
categories=self.categories, settings=self)
# Reduce the provides into a list by CP.
self.treeVirtuals = map_dictlist_vals(getCPFromCPV,temp_vartree.get_all_provides())
self.virtuals = self.__getvirtuals_compile()
return self.virtuals
def __getvirtuals_compile(self):
"""Stack installed and profile virtuals. Preference for virtuals
decreases from left to right.
Order of preference:
1. installed and in profile
2. installed only
3. profile only
"""
# Virtuals by profile+tree preferences.
ptVirtuals = {}
for virt, installed_list in self.treeVirtuals.iteritems():
profile_list = self.dirVirtuals.get(virt, None)
if not profile_list:
continue
for cp in installed_list:
if cp in profile_list:
ptVirtuals.setdefault(virt, [])
ptVirtuals[virt].append(cp)
virtuals = stack_dictlist([ptVirtuals, self.treeVirtuals,
self.dirVirtuals])
return virtuals
def __delitem__(self,mykey):
self.modifying()
for x in self.lookuplist:
if x != None:
if mykey in x:
del x[mykey]
def __getitem__(self,mykey):
match = ''
for x in self.lookuplist:
if x is None:
writemsg("!!! lookuplist is null.\n")
elif x.has_key(mykey):
match = x[mykey]
break
return match
def has_key(self,mykey):
for x in self.lookuplist:
if x.has_key(mykey):
return 1
return 0
def __contains__(self, mykey):
"""Called to implement membership test operators (in and not in)."""
return bool(self.has_key(mykey))
def setdefault(self, k, x=None):
if k in self:
return self[k]
else:
self[k] = x
return x
def get(self, k, x=None):
if k in self:
return self[k]
else:
return x
def keys(self):
return unique_array(flatten([x.keys() for x in self.lookuplist]))
def __setitem__(self,mykey,myvalue):
"set a value; will be thrown away at reset() time"
if type(myvalue) != types.StringType:
raise ValueError("Invalid type being used as a value: '%s': '%s'" % (str(mykey),str(myvalue)))
self.modifying()
self.modifiedkeys += [mykey]
self.configdict["env"][mykey]=myvalue
def environ(self):
"return our locally-maintained environment"
mydict={}
for x in self.keys():
myvalue = self[x]
if not isinstance(myvalue, basestring):
writemsg("!!! Non-string value in config: %s=%s\n" % \
(x, myvalue), noiselevel=-1)
continue
mydict[x] = myvalue
if not mydict.has_key("HOME") and mydict.has_key("BUILD_PREFIX"):
writemsg("*** HOME not set. Setting to "+mydict["BUILD_PREFIX"]+"\n")
mydict["HOME"]=mydict["BUILD_PREFIX"][:]
return mydict
def thirdpartymirrors(self):
if getattr(self, "_thirdpartymirrors", None) is None:
profileroots = [os.path.join(self["PORTDIR"], "profiles")]
for x in self["PORTDIR_OVERLAY"].split():
profileroots.insert(0, os.path.join(x, "profiles"))
thirdparty_lists = [grabdict(os.path.join(x, "thirdpartymirrors")) for x in profileroots]
self._thirdpartymirrors = stack_dictlist(thirdparty_lists, incremental=True)
return self._thirdpartymirrors
def archlist(self):
return flatten([[myarch, "~" + myarch] \
for myarch in self["PORTAGE_ARCHLIST"].split()])
def selinux_enabled(self):
if getattr(self, "_selinux_enabled", None) is None:
self._selinux_enabled = 0
if "selinux" in self["USE"].split():
if "selinux" in globals():
if selinux.is_selinux_enabled() == 1:
self._selinux_enabled = 1
else:
self._selinux_enabled = 0
else:
writemsg("!!! SELinux module not found. Please verify that it was installed.\n",
noiselevel=-1)
self._selinux_enabled = 0
if self._selinux_enabled == 0:
try:
del sys.modules["selinux"]
except KeyError:
pass
return self._selinux_enabled
# XXX This would be to replace getstatusoutput completely.
# XXX Issue: cannot block execution. Deadlock condition.
def spawn(mystring, mysettings, debug=0, free=0, droppriv=0, sesandbox=0, **keywords):
"""
Spawn a subprocess with extra portage-specific options.
Optiosn include:
Sandbox: Sandbox means the spawned process will be limited in its ability t
read and write files (normally this means it is restricted to ${IMAGE}/)
SElinux Sandbox: Enables sandboxing on SElinux
Reduced Privileges: Drops privilages such that the process runs as portage:portage
instead of as root.
Notes: os.system cannot be used because it messes with signal handling. Instead we
use the portage_exec spawn* family of functions.
This function waits for the process to terminate.
@param mystring: Command to run
@type mystring: String
@param mysettings: Either a Dict of Key,Value pairs or an instance of portage.config
@type mysettings: Dictionary or config instance
@param debug: Ignored
@type debug: Boolean
@param free: Enable sandboxing for this process
@type free: Boolean
@param droppriv: Drop to portage:portage when running this command
@type droppriv: Boolean
@param sesandbox: Enable SELinux Sandboxing (toggles a context switch)
@type sesandbox: Boolean
@param keywords: Extra options encoded as a dict, to be passed to spawn
@type keywords: Dictionary
@rtype: Integer
@returns:
1. The return code of the spawned process.
"""
if type(mysettings) == types.DictType:
env=mysettings
keywords["opt_name"]="[ %s ]" % "portage"
else:
check_config_instance(mysettings)
env=mysettings.environ()
keywords["opt_name"]="[%s]" % mysettings["PF"]
# The default policy for the sesandbox domain only allows entry (via exec)
# from shells and from binaries that belong to portage (the number of entry
# points is minimized). The "tee" binary is not among the allowed entry
# points, so it is spawned outside of the sesandbox domain and reads from a
# pipe between two domains.
logfile = keywords.get("logfile")
mypids = []
pw = None
if logfile:
del keywords["logfile"]
fd_pipes = keywords.get("fd_pipes")
if fd_pipes is None:
fd_pipes = {0:0, 1:1, 2:2}
elif 1 not in fd_pipes or 2 not in fd_pipes:
raise ValueError(fd_pipes)
pr, pw = os.pipe()
mypids.extend(portage_exec.spawn(('tee', '-i', '-a', logfile),
returnpid=True, fd_pipes={0:pr, 1:fd_pipes[1], 2:fd_pipes[2]}))
os.close(pr)
fd_pipes[1] = pw
fd_pipes[2] = pw
keywords["fd_pipes"] = fd_pipes
features = mysettings.features
restrict = mysettings.get("PORTAGE_RESTRICT","").split()
droppriv=(droppriv and "userpriv" in features and not \
("nouserpriv" in restrict or "userpriv" in restrict))
if droppriv and not uid and portage_gid and portage_uid:
keywords.update({"uid":portage_uid,"gid":portage_gid,"groups":userpriv_groups,"umask":002})
if not free:
free=((droppriv and "usersandbox" not in features) or \
(not droppriv and "sandbox" not in features and "usersandbox" not in features))
if free:
keywords["opt_name"] += " bash"
spawn_func = portage_exec.spawn_bash
else:
keywords["opt_name"] += " sandbox"
spawn_func = portage_exec.spawn_sandbox
if sesandbox:
con = selinux.getcontext()
con = con.replace(mysettings["PORTAGE_T"], mysettings["PORTAGE_SANDBOX_T"])
selinux.setexec(con)
returnpid = keywords.get("returnpid")
keywords["returnpid"] = True
try:
mypids.extend(spawn_func(mystring, env=env, **keywords))
finally:
if pw:
os.close(pw)
if sesandbox:
selinux.setexec(None)
if returnpid:
return mypids
while mypids:
pid = mypids.pop(0)
retval = os.waitpid(pid, 0)[1]
portage_exec.spawned_pids.remove(pid)
if retval != os.EX_OK:
for pid in mypids:
if os.waitpid(pid, os.WNOHANG) == (0,0):
import signal
os.kill(pid, signal.SIGTERM)
os.waitpid(pid, 0)
portage_exec.spawned_pids.remove(pid)
if retval & 0xff:
return (retval & 0xff) << 8
return retval >> 8
return os.EX_OK
def fetch(myuris, mysettings, listonly=0, fetchonly=0, locks_in_subdir=".locks",use_locks=1, try_mirrors=1):
"fetch files. Will use digest file if available."
features = mysettings.features
restrict = mysettings.get("PORTAGE_RESTRICT","").split()
# 'nomirror' is bad/negative logic. You Restrict mirroring, not no-mirroring.
if "mirror" in restrict or \
"nomirror" in restrict:
if ("mirror" in features) and ("lmirror" not in features):
# lmirror should allow you to bypass mirror restrictions.
# XXX: This is not a good thing, and is temporary at best.
print ">>> \"mirror\" mode desired and \"mirror\" restriction found; skipping fetch."
return 1
thirdpartymirrors = mysettings.thirdpartymirrors()
check_config_instance(mysettings)
custommirrors = grabdict(os.path.join(mysettings["PORTAGE_CONFIGROOT"],
CUSTOM_MIRRORS_FILE.lstrip(os.path.sep)), recursive=1)
mymirrors=[]
if listonly or ("distlocks" not in features):
use_locks = 0
fetch_to_ro = 0
if "skiprocheck" in features:
fetch_to_ro = 1
if not os.access(mysettings["DISTDIR"],os.W_OK) and fetch_to_ro:
if use_locks:
writemsg(red("!!! For fetching to a read-only filesystem, " + \
"locking should be turned off.\n"), noiselevel=-1)
writemsg("!!! This can be done by adding -distlocks to " + \
"FEATURES in /etc/make.conf\n", noiselevel=-1)
# use_locks = 0
# local mirrors are always added
if custommirrors.has_key("local"):
mymirrors += custommirrors["local"]
if "nomirror" in restrict or \
"mirror" in restrict:
# We don't add any mirrors.
pass
else:
if try_mirrors:
mymirrors += [x.rstrip("/") for x in mysettings["GENTOO_MIRRORS"].split() if x]
pkgdir = mysettings.get("O")
if pkgdir:
mydigests = Manifest(
pkgdir, mysettings["DISTDIR"]).getTypeDigests("DIST")
else:
# no digests because fetch was not called for a specific package
mydigests = {}
fsmirrors = []
for x in range(len(mymirrors)-1,-1,-1):
if mymirrors[x] and mymirrors[x][0]=='/':
fsmirrors += [mymirrors[x]]
del mymirrors[x]
restrict_fetch = "fetch" in restrict
custom_local_mirrors = custommirrors.get("local", [])
if restrict_fetch:
# With fetch restriction, a normal uri may only be fetched from
# custom local mirrors (if available). A mirror:// uri may also
# be fetched from specific mirrors (effectively overriding fetch
# restriction, but only for specific mirrors).
locations = custom_local_mirrors
else:
locations = mymirrors
filedict={}
primaryuri_indexes={}
for myuri in myuris:
myfile=os.path.basename(myuri)
if not filedict.has_key(myfile):
filedict[myfile]=[]
for y in range(0,len(locations)):
filedict[myfile].append(locations[y]+"/distfiles/"+myfile)
if myuri[:9]=="mirror://":
eidx = myuri.find("/", 9)
if eidx != -1:
mirrorname = myuri[9:eidx]
# Try user-defined mirrors first
if custommirrors.has_key(mirrorname):
for cmirr in custommirrors[mirrorname]:
filedict[myfile].append(cmirr+"/"+myuri[eidx+1:])
# remove the mirrors we tried from the list of official mirrors
if cmirr.strip() in thirdpartymirrors[mirrorname]:
thirdpartymirrors[mirrorname].remove(cmirr)
# now try the official mirrors
if thirdpartymirrors.has_key(mirrorname):
shuffle(thirdpartymirrors[mirrorname])
for locmirr in thirdpartymirrors[mirrorname]:
filedict[myfile].append(locmirr+"/"+myuri[eidx+1:])
if not filedict[myfile]:
writemsg("No known mirror by the name: %s\n" % (mirrorname))
else:
writemsg("Invalid mirror definition in SRC_URI:\n", noiselevel=-1)
writemsg(" %s\n" % (myuri), noiselevel=-1)
else:
if restrict_fetch:
# Only fetch from specific mirrors is allowed.
continue
if "primaryuri" in restrict:
# Use the source site first.
if primaryuri_indexes.has_key(myfile):
primaryuri_indexes[myfile] += 1
else:
primaryuri_indexes[myfile] = 0
filedict[myfile].insert(primaryuri_indexes[myfile], myuri)
else:
filedict[myfile].append(myuri)
can_fetch=True
if listonly:
can_fetch = False
for var_name in ("FETCHCOMMAND", "RESUMECOMMAND"):
if not mysettings.get(var_name, None):
can_fetch = False
if can_fetch:
dirmode = 02070
filemode = 060
modemask = 02
distdir_dirs = [""]
if "distlocks" in features:
distdir_dirs.append(".locks")
try:
for x in distdir_dirs:
mydir = os.path.join(mysettings["DISTDIR"], x)
if portage_util.ensure_dirs(mydir, gid=portage_gid, mode=dirmode, mask=modemask):
writemsg("Adjusting permissions recursively: '%s'\n" % mydir,
noiselevel=-1)
def onerror(e):
raise # bail out on the first error that occurs during recursion
if not apply_recursive_permissions(mydir,
gid=portage_gid, dirmode=dirmode, dirmask=modemask,
filemode=filemode, filemask=modemask, onerror=onerror):
raise portage_exception.OperationNotPermitted(
"Failed to apply recursive permissions for the portage group.")
except portage_exception.PortageException, e:
if not os.path.isdir(mysettings["DISTDIR"]):
writemsg("!!! %s\n" % str(e), noiselevel=-1)
writemsg("!!! Directory Not Found: DISTDIR='%s'\n" % mysettings["DISTDIR"], noiselevel=-1)
writemsg("!!! Fetching will fail!\n", noiselevel=-1)
if can_fetch and \
not fetch_to_ro and \
not os.access(mysettings["DISTDIR"], os.W_OK):
writemsg("!!! No write access to '%s'\n" % mysettings["DISTDIR"],
noiselevel=-1)
can_fetch = False
if can_fetch and use_locks and locks_in_subdir:
distlocks_subdir = os.path.join(mysettings["DISTDIR"], locks_in_subdir)
if not os.access(distlocks_subdir, os.W_OK):
writemsg("!!! No write access to write to %s. Aborting.\n" % distlocks_subdir,
noiselevel=-1)
return 0
del distlocks_subdir
for myfile in filedict.keys():
"""
fetched status
0 nonexistent
1 partially downloaded
2 completely downloaded
"""
myfile_path = os.path.join(mysettings["DISTDIR"], myfile)
fetched=0
file_lock = None
if listonly:
writemsg_stdout("\n", noiselevel=-1)
else:
if use_locks and can_fetch:
waiting_msg = None
if "parallel-fetch" in features:
waiting_msg = ("Downloading '%s'... " + \
"see /var/log/emerge-fetch.log for details.") % myfile
if locks_in_subdir:
file_lock = portage_locks.lockfile(
os.path.join(mysettings["DISTDIR"],
locks_in_subdir, myfile), wantnewlockfile=1,
waiting_msg=waiting_msg)
else:
file_lock = portage_locks.lockfile(
myfile_path, wantnewlockfile=1,
waiting_msg=waiting_msg)
try:
if not listonly:
if fsmirrors and not os.path.exists(myfile_path):
for mydir in fsmirrors:
mirror_file = os.path.join(mydir, myfile)
try:
shutil.copyfile(mirror_file, myfile_path)
writemsg(_("Local mirror has file:" + \
" %(file)s\n" % {"file":myfile}))
break
except (IOError, OSError), e:
if e.errno != errno.ENOENT:
raise
del e
try:
mystat = os.stat(myfile_path)
except OSError, e:
if e.errno != errno.ENOENT:
raise
del e
else:
try:
apply_secpass_permissions(
myfile_path, gid=portage_gid, mode=0664, mask=02,
stat_cached=mystat)
except portage_exception.PortageException, e:
if not os.access(myfile_path, os.R_OK):
writemsg("!!! Failed to adjust permissions:" + \
" %s\n" % str(e), noiselevel=-1)
if myfile not in mydigests:
# We don't have a digest, but the file exists. We must
# assume that it is fully downloaded.
continue
else:
if mystat.st_size < mydigests[myfile]["size"] and \
not restrict_fetch:
fetched = 1 # Try to resume this download.
else:
verified_ok, reason = portage_checksum.verify_all(
myfile_path, mydigests[myfile])
if not verified_ok:
writemsg("!!! Previously fetched" + \
" file: '%s'\n" % myfile, noiselevel=-1)
writemsg("!!! Reason: %s\n" % reason[0],
noiselevel=-1)
writemsg(("!!! Got: %s\n" + \
"!!! Expected: %s\n") % \
(reason[1], reason[2]), noiselevel=-1)
if reason[0] == "Insufficient data for checksum verification":
return 0
if can_fetch and not restrict_fetch:
writemsg("Refetching...\n\n",
noiselevel=-1)
os.unlink(myfile_path)
else:
eout = output.EOutput()
eout.quiet = \
mysettings.get("PORTAGE_QUIET", None) == "1"
for digest_name in mydigests[myfile]:
eout.ebegin(
"%s %s ;-)" % (myfile, digest_name))
eout.eend(0)
continue # fetch any remaining files
for loc in filedict[myfile]:
if listonly:
writemsg_stdout(loc+" ", noiselevel=-1)
continue
# allow different fetchcommands per protocol
protocol = loc[0:loc.find("://")]
if mysettings.has_key("FETCHCOMMAND_"+protocol.upper()):
fetchcommand=mysettings["FETCHCOMMAND_"+protocol.upper()]
else:
fetchcommand=mysettings["FETCHCOMMAND"]
if mysettings.has_key("RESUMECOMMAND_"+protocol.upper()):
resumecommand=mysettings["RESUMECOMMAND_"+protocol.upper()]
else:
resumecommand=mysettings["RESUMECOMMAND"]
if not can_fetch:
if fetched != 2:
if fetched == 0:
writemsg("!!! File %s isn't fetched but unable to get it.\n" % myfile,
noiselevel=-1)
else:
writemsg("!!! File %s isn't fully fetched, but unable to complete it\n" % myfile,
noiselevel=-1)
for var_name in ("FETCHCOMMAND", "RESUMECOMMAND"):
if not mysettings.get(var_name, None):
writemsg(("!!! %s is unset. It should " + \
"have been defined in /etc/make.globals.\n") \
% var_name, noiselevel=-1)
return 0
else:
continue
if fetched != 2:
#we either need to resume or start the download
#you can't use "continue" when you're inside a "try" block
if fetched==1:
#resume mode:
writemsg(">>> Resuming download...\n")
locfetch=resumecommand
else:
#normal mode:
locfetch=fetchcommand
writemsg_stdout(">>> Downloading '%s'\n" % \
re.sub(r'//(.+):.+@(.+)/',r'//\1:*password*@\2/', loc))
variables = {
"DISTDIR": mysettings["DISTDIR"],
"URI": loc,
"FILE": myfile
}
import shlex, StringIO
lexer = shlex.shlex(StringIO.StringIO(locfetch), posix=True)
lexer.whitespace_split = True
myfetch = [varexpand(x, mydict=variables) for x in lexer]
spawn_keywords = {}
if "userfetch" in mysettings.features and \
os.getuid() == 0 and portage_gid and portage_uid:
spawn_keywords.update({
"uid" : portage_uid,
"gid" : portage_gid,
"groups" : userpriv_groups,
"umask" : 002})
try:
if mysettings.selinux_enabled():
con = selinux.getcontext()
con = con.replace(mysettings["PORTAGE_T"], mysettings["PORTAGE_FETCH_T"])
selinux.setexec(con)
# bash is an allowed entrypoint, while most binaries are not
myfetch = ["bash", "-c", "exec \"$@\"", myfetch[0]] + myfetch
myret = portage_exec.spawn(myfetch,
env=mysettings.environ(), **spawn_keywords)
if mysettings.selinux_enabled():
selinux.setexec(None)
finally:
try:
apply_secpass_permissions(myfile_path,
gid=portage_gid, mode=0664, mask=02)
except portage_exception.FileNotFound, e:
pass
except portage_exception.PortageException, e:
if not os.access(myfile_path, os.R_OK):
writemsg("!!! Failed to adjust permissions:" + \
" %s\n" % str(e), noiselevel=-1)
if mydigests!=None and mydigests.has_key(myfile):
try:
mystat = os.stat(myfile_path)
except OSError, e:
if e.errno != errno.ENOENT:
raise
del e
fetched = 0
else:
# no exception? file exists. let digestcheck() report
# an appropriately for size or checksum errors
if (mystat[stat.ST_SIZE]<mydigests[myfile]["size"]):
# Fetch failed... Try the next one... Kill 404 files though.
if (mystat[stat.ST_SIZE]<100000) and (len(myfile)>4) and not ((myfile[-5:]==".html") or (myfile[-4:]==".htm")):
html404=re.compile("<title>.*(not found|404).*</title>",re.I|re.M)
if html404.search(open(mysettings["DISTDIR"]+"/"+myfile).read()):
try:
os.unlink(mysettings["DISTDIR"]+"/"+myfile)
writemsg(">>> Deleting invalid distfile. (Improper 404 redirect from server.)\n")
fetched = 0
continue
except (IOError, OSError):
pass
fetched = 1
continue
if not fetchonly:
fetched=2
break
else:
# File is the correct size--check the checksums for the fetched
# file NOW, for those users who don't have a stable/continuous
# net connection. This way we have a chance to try to download
# from another mirror...
verified_ok,reason = portage_checksum.verify_all(mysettings["DISTDIR"]+"/"+myfile, mydigests[myfile])
if not verified_ok:
print reason
writemsg("!!! Fetched file: "+str(myfile)+" VERIFY FAILED!\n",
noiselevel=-1)
writemsg("!!! Reason: "+reason[0]+"\n",
noiselevel=-1)
writemsg("!!! Got: %s\n!!! Expected: %s\n" % \
(reason[1], reason[2]), noiselevel=-1)
if reason[0] == "Insufficient data for checksum verification":
return 0
writemsg("Removing corrupt distfile...\n", noiselevel=-1)
os.unlink(mysettings["DISTDIR"]+"/"+myfile)
fetched=0
else:
eout = output.EOutput()
eout.quiet = mysettings.get("PORTAGE_QUIET", None) == "1"
for x_key in mydigests[myfile].keys():
eout.ebegin("%s %s ;-)" % (myfile, x_key))
eout.eend(0)
fetched=2
break
else:
if not myret:
fetched=2
break
elif mydigests!=None:
writemsg("No digest file available and download failed.\n\n",
noiselevel=-1)
finally:
if use_locks and file_lock:
portage_locks.unlockfile(file_lock)
if listonly:
writemsg_stdout("\n", noiselevel=-1)
if fetched != 2:
if restrict_fetch:
print "\n!!!", mysettings["CATEGORY"] + "/" + \
mysettings["PF"], "has fetch restriction turned on."
print "!!! This probably means that this " + \
"ebuild's files must be downloaded"
print "!!! manually. See the comments in" + \
" the ebuild for more information.\n"
spawn(EBUILD_SH_BINARY + " nofetch", mysettings)
elif listonly:
continue
elif not filedict[myfile]:
writemsg("Warning: No mirrors available for file" + \
" '%s'\n" % (myfile), noiselevel=-1)
else:
writemsg("!!! Couldn't download '%s'. Aborting.\n" % myfile,
noiselevel=-1)
return 0
return 1
def digestgen(myarchives, mysettings, overwrite=1, manifestonly=0, myportdb=None):
"""
Generates a digest file if missing. Assumes all files are available.
DEPRECATED: this now only is a compability wrapper for
portage_manifest.Manifest()
NOTE: manifestonly and overwrite are useless with manifest2 and
are therefore ignored."""
if myportdb is None:
writemsg("Warning: myportdb not specified to digestgen\n")
global portdb
myportdb = portdb
global _doebuild_manifest_exempt_depend
try:
_doebuild_manifest_exempt_depend += 1
distfiles_map = {}
fetchlist_dict = FetchlistDict(mysettings["O"], mysettings, myportdb)
for cpv in fetchlist_dict:
try:
for myfile in fetchlist_dict[cpv]:
distfiles_map.setdefault(myfile, []).append(cpv)
except portage_exception.InvalidDependString, e:
writemsg("!!! %s\n" % str(e), noiselevel=-1)
writemsg("!!! Invalid SRC_URI for '%s'.\n" % cpv, noiselevel=-1)
del e
return 0
mytree = os.path.dirname(os.path.dirname(mysettings["O"]))
manifest1_compat = not os.path.exists(
os.path.join(mytree, "manifest1_obsolete"))
mf = Manifest(mysettings["O"], mysettings["DISTDIR"],
fetchlist_dict=fetchlist_dict, manifest1_compat=manifest1_compat)
# Don't require all hashes since that can trigger excessive
# fetches when sufficient digests already exist. To ease transition
# while Manifest 1 is being removed, only require hashes that will
# exist before and after the transition.
required_hash_types = set()
required_hash_types.add("size")
required_hash_types.add(portage_const.MANIFEST2_REQUIRED_HASH)
dist_hashes = mf.fhashdict.get("DIST", {})
missing_hashes = set()
for myfile in distfiles_map:
myhashes = dist_hashes.get(myfile)
if not myhashes:
missing_hashes.add(myfile)
continue
if required_hash_types.difference(myhashes):
missing_hashes.add(myfile)
if missing_hashes:
missing_files = []
for myfile in missing_hashes:
try:
os.stat(os.path.join(mysettings["DISTDIR"], myfile))
except OSError, e:
if e.errno != errno.ENOENT:
raise
del e
missing_files.append(myfile)
if missing_files:
mytree = os.path.realpath(os.path.dirname(
os.path.dirname(mysettings["O"])))
fetch_settings = config(clone=mysettings)
debug = mysettings.get("PORTAGE_DEBUG") == "1"
for myfile in missing_files:
success = False
for cpv in distfiles_map[myfile]:
myebuild = os.path.join(mysettings["O"],
catsplit(cpv)[1] + ".ebuild")
# for RESTRICT=fetch, mirror, etc...
doebuild_environment(myebuild, "fetch",
mysettings["ROOT"], fetch_settings,
debug, 1, myportdb)
alluris, aalist = myportdb.getfetchlist(
cpv, mytree=mytree, all=True,
mysettings=fetch_settings)
myuris = [uri for uri in alluris \
if os.path.basename(uri) == myfile]
fetch_settings["A"] = myfile # for use by pkg_nofetch()
if fetch(myuris, fetch_settings):
success = True
break
if not success:
writemsg(("!!! File %s doesn't exist, can't update " + \
"Manifest\n") % myfile, noiselevel=-1)
return 0
writemsg_stdout(">>> Creating Manifest for %s\n" % mysettings["O"])
try:
mf.create(requiredDistfiles=myarchives,
assumeDistHashesSometimes=True,
assumeDistHashesAlways=(
"assume-digests" in mysettings.features))
except portage_exception.FileNotFound, e:
writemsg(("!!! File %s doesn't exist, can't update " + \
"Manifest\n") % e, noiselevel=-1)
return 0
mf.write(sign=False)
if "assume-digests" not in mysettings.features:
distlist = mf.fhashdict.get("DIST", {}).keys()
distlist.sort()
auto_assumed = []
for filename in distlist:
if not os.path.exists(
os.path.join(mysettings["DISTDIR"], filename)):
auto_assumed.append(filename)
if auto_assumed:
mytree = os.path.realpath(
os.path.dirname(os.path.dirname(mysettings["O"])))
cp = os.path.sep.join(mysettings["O"].split(os.path.sep)[-2:])
pkgs = myportdb.cp_list(cp, mytree=mytree)
pkgs.sort()
writemsg_stdout(" digest.assumed" + output.colorize("WARN",
str(len(auto_assumed)).rjust(18)) + "\n")
for pkg_key in pkgs:
fetchlist = myportdb.getfetchlist(pkg_key,
mysettings=mysettings, all=True, mytree=mytree)[1]
pv = pkg_key.split("/")[1]
for filename in auto_assumed:
if filename in fetchlist:
writemsg_stdout(
" digest-%s::%s\n" % (pv, filename))
return 1
finally:
_doebuild_manifest_exempt_depend -= 1
def digestParseFile(myfilename, mysettings=None):
"""(filename) -- Parses a given file for entries matching:
<checksumkey> <checksum_hex_string> <filename> <filesize>
Ignores lines that don't start with a valid checksum identifier
and returns a dict with the filenames as keys and {checksumkey:checksum}
as the values.
DEPRECATED: this function is now only a compability wrapper for
portage_manifest.Manifest()."""
mysplit = myfilename.split(os.sep)
if mysplit[-2] == "files" and mysplit[-1].startswith("digest-"):
pkgdir = os.sep + os.sep.join(mysplit[:-2]).strip(os.sep)
elif mysplit[-1] == "Manifest":
pkgdir = os.sep + os.sep.join(mysplit[:-1]).strip(os.sep)
if mysettings is None:
global settings
mysettings = config(clone=settings)
return Manifest(pkgdir, mysettings["DISTDIR"]).getDigests()
def digestcheck(myfiles, mysettings, strict=0, justmanifest=0):
"""Verifies checksums. Assumes all files have been downloaded.
DEPRECATED: this is now only a compability wrapper for
portage_manifest.Manifest()."""
if not strict:
return 1
pkgdir = mysettings["O"]
manifest_path = os.path.join(pkgdir, "Manifest")
if not os.path.exists(manifest_path):
writemsg("!!! Manifest file not found: '%s'\n" % manifest_path,
noiselevel=-1)
if strict:
return 0
mf = Manifest(pkgdir, mysettings["DISTDIR"])
eout = output.EOutput()
eout.quiet = mysettings.get("PORTAGE_QUIET", None) == "1"
try:
eout.ebegin("checking ebuild checksums ;-)")
mf.checkTypeHashes("EBUILD")
eout.eend(0)
eout.ebegin("checking auxfile checksums ;-)")
mf.checkTypeHashes("AUX")
eout.eend(0)
eout.ebegin("checking miscfile checksums ;-)")
mf.checkTypeHashes("MISC", ignoreMissingFiles=True)
eout.eend(0)
for f in myfiles:
eout.ebegin("checking %s ;-)" % f)
mf.checkFileHashes(mf.findFile(f), f)
eout.eend(0)
except KeyError, e:
eout.eend(1)
writemsg("\n!!! Missing digest for %s\n" % str(e), noiselevel=-1)
return 0
except portage_exception.FileNotFound, e:
eout.eend(1)
writemsg("\n!!! A file listed in the Manifest could not be found: %s\n" % str(e),
noiselevel=-1)
return 0
except portage_exception.DigestException, e:
eout.eend(1)
writemsg("\n!!! Digest verification failed:\n", noiselevel=-1)
writemsg("!!! %s\n" % e.value[0], noiselevel=-1)
writemsg("!!! Reason: %s\n" % e.value[1], noiselevel=-1)
writemsg("!!! Got: %s\n" % e.value[2], noiselevel=-1)
writemsg("!!! Expected: %s\n" % e.value[3], noiselevel=-1)
return 0
# Make sure that all of the ebuilds are actually listed in the Manifest.
for f in os.listdir(pkgdir):
if f.endswith(".ebuild") and not mf.hasFile("EBUILD", f):
writemsg("!!! A file is not listed in the Manifest: '%s'\n" % \
os.path.join(pkgdir, f), noiselevel=-1)
return 0
""" epatch will just grab all the patches out of a directory, so we have to
make sure there aren't any foreign files that it might grab."""
filesdir = os.path.join(pkgdir, "files")
for parent, dirs, files in os.walk(filesdir):
for d in dirs:
if d.startswith(".") or d == "CVS":
dirs.remove(d)
for f in files:
if f.startswith("."):
continue
f = os.path.join(parent, f)[len(filesdir) + 1:]
file_type = mf.findFile(f)
if file_type != "AUX" and not f.startswith("digest-"):
writemsg("!!! A file is not listed in the Manifest: '%s'\n" % \
os.path.join(filesdir, f), noiselevel=-1)
return 0
return 1
# parse actionmap to spawn ebuild with the appropriate args
def spawnebuild(mydo,actionmap,mysettings,debug,alwaysdep=0,logfile=None):
if alwaysdep or "noauto" not in mysettings.features:
# process dependency first
if "dep" in actionmap[mydo].keys():
retval=spawnebuild(actionmap[mydo]["dep"],actionmap,mysettings,debug,alwaysdep=alwaysdep,logfile=logfile)
if retval:
return retval
kwargs = actionmap[mydo]["args"]
mysettings["EBUILD_PHASE"] = mydo
phase_retval = spawn(actionmap[mydo]["cmd"] % mydo, mysettings, debug=debug, logfile=logfile, **kwargs)
mysettings["EBUILD_PHASE"] = ""
if not kwargs["droppriv"] and secpass >= 2:
""" Privileged phases may have left files that need to be made
writable to a less privileged user."""
apply_recursive_permissions(mysettings["T"],
uid=portage_uid, gid=portage_gid, dirmode=070, dirmask=0,
filemode=060, filemask=0)
if phase_retval == os.EX_OK:
if mydo == "install":
# User and group bits that match the "portage" user or group are
# automatically mapped to PORTAGE_INST_UID and PORTAGE_INST_GID if
# necessary. The chown system call may clear S_ISUID and S_ISGID
# bits, so those bits are restored if necessary.
inst_uid = int(mysettings["PORTAGE_INST_UID"])
inst_gid = int(mysettings["PORTAGE_INST_GID"])
for parent, dirs, files in os.walk(mysettings["D"]):
for fname in chain(dirs, files):
fpath = os.path.join(parent, fname)
mystat = os.lstat(fpath)
if mystat.st_uid != portage_uid and \
mystat.st_gid != portage_gid:
continue
myuid = -1
mygid = -1
if mystat.st_uid == portage_uid:
myuid = inst_uid
if mystat.st_gid == portage_gid:
mygid = inst_gid
apply_secpass_permissions(fpath, uid=myuid, gid=mygid,
mode=mystat.st_mode, stat_cached=mystat,
follow_links=False)
mycommand = " ".join([MISC_SH_BINARY, "install_qa_check", "install_symlink_html_docs"])
qa_retval = spawn(mycommand, mysettings, debug=debug, logfile=logfile, **kwargs)
if qa_retval:
writemsg("!!! install_qa_check failed; exiting.\n",
noiselevel=-1)
return qa_retval
return phase_retval
def eapi_is_supported(eapi):
return str(eapi).strip() == str(portage_const.EAPI).strip()
def doebuild_environment(myebuild, mydo, myroot, mysettings, debug, use_cache, mydbapi):
ebuild_path = os.path.abspath(myebuild)
pkg_dir = os.path.dirname(ebuild_path)
if mysettings.configdict["pkg"].has_key("CATEGORY"):
cat = mysettings.configdict["pkg"]["CATEGORY"]
else:
cat = os.path.basename(normalize_path(os.path.join(pkg_dir, "..")))
mypv = os.path.basename(ebuild_path)[:-7]
mycpv = cat+"/"+mypv
mysplit=pkgsplit(mypv,silent=0)
if mysplit is None:
raise portage_exception.IncorrectParameter(
"Invalid ebuild path: '%s'" % myebuild)
if mydo != "depend":
"""For performance reasons, setcpv only triggers reset when it
detects a package-specific change in config. For the ebuild
environment, a reset call is forced in order to ensure that the
latest env.d variables are used."""
mysettings.reset(use_cache=use_cache)
mysettings.setcpv(mycpv, use_cache=use_cache, mydb=mydbapi)
mysettings["EBUILD_PHASE"] = mydo
mysettings["PORTAGE_MASTER_PID"] = str(os.getpid())
# We are disabling user-specific bashrc files.
mysettings["BASH_ENV"] = INVALID_ENV_FILE
if debug: # Otherwise it overrides emerge's settings.
# We have no other way to set debug... debug can't be passed in
# due to how it's coded... Don't overwrite this so we can use it.
mysettings["PORTAGE_DEBUG"] = "1"
mysettings["ROOT"] = myroot
mysettings["STARTDIR"] = getcwd()
mysettings["EBUILD"] = ebuild_path
mysettings["O"] = pkg_dir
mysettings.configdict["pkg"]["CATEGORY"] = cat
mysettings["FILESDIR"] = pkg_dir+"/files"
mysettings["PF"] = mypv
mysettings["ECLASSDIR"] = mysettings["PORTDIR"]+"/eclass"
mysettings["SANDBOX_LOG"] = mycpv.replace("/", "_-_")
mysettings["PROFILE_PATHS"] = "\n".join(mysettings.profiles)+"\n"+CUSTOM_PROFILE_PATH
mysettings["P"] = mysplit[0]+"-"+mysplit[1]
mysettings["PN"] = mysplit[0]
mysettings["PV"] = mysplit[1]
mysettings["PR"] = mysplit[2]
if portage_util.noiselimit < 0:
mysettings["PORTAGE_QUIET"] = "1"
if mydo != "depend":
eapi, mysettings["INHERITED"], mysettings["SLOT"], mysettings["RESTRICT"] = \
mydbapi.aux_get(mycpv, ["EAPI", "INHERITED", "SLOT", "RESTRICT"])
if not eapi_is_supported(eapi):
# can't do anything with this.
raise portage_exception.UnsupportedAPIException(mycpv, eapi)
try:
mysettings["PORTAGE_RESTRICT"] = " ".join(flatten(
portage_dep.use_reduce(portage_dep.paren_reduce(
mysettings.get("RESTRICT","")),
uselist=mysettings.get("USE","").split())))
except portage_exception.InvalidDependString:
# RESTRICT is validated again inside doebuild, so let this go
mysettings["PORTAGE_RESTRICT"] = ""
if mysplit[2] == "r0":
mysettings["PVR"]=mysplit[1]
else:
mysettings["PVR"]=mysplit[1]+"-"+mysplit[2]
if mysettings.has_key("PATH"):
mysplit=mysettings["PATH"].split(":")
else:
mysplit=[]
if PORTAGE_BIN_PATH not in mysplit:
mysettings["PATH"]=PORTAGE_BIN_PATH+":"+mysettings["PATH"]
# Sandbox needs cannonical paths.
mysettings["PORTAGE_TMPDIR"] = os.path.realpath(
mysettings["PORTAGE_TMPDIR"])
mysettings["BUILD_PREFIX"] = mysettings["PORTAGE_TMPDIR"]+"/portage"
mysettings["PKG_TMPDIR"] = mysettings["PORTAGE_TMPDIR"]+"/binpkgs"
# Package {pre,post}inst and {pre,post}rm may overlap, so they must have separate
# locations in order to prevent interference.
if mydo in ("unmerge", "prerm", "postrm", "cleanrm"):
mysettings["PORTAGE_BUILDDIR"] = os.path.join(
mysettings["PKG_TMPDIR"],
mysettings["CATEGORY"], mysettings["PF"])
else:
mysettings["PORTAGE_BUILDDIR"] = os.path.join(
mysettings["BUILD_PREFIX"],
mysettings["CATEGORY"], mysettings["PF"])
mysettings["HOME"] = os.path.join(mysettings["PORTAGE_BUILDDIR"], "homedir")
mysettings["WORKDIR"] = os.path.join(mysettings["PORTAGE_BUILDDIR"], "work")
mysettings["D"] = os.path.join(mysettings["PORTAGE_BUILDDIR"], "image") + os.sep
mysettings["T"] = os.path.join(mysettings["PORTAGE_BUILDDIR"], "temp")
mysettings["PORTAGE_BASHRC"] = os.path.join(
mysettings["PORTAGE_CONFIGROOT"], EBUILD_SH_ENV_FILE.lstrip(os.path.sep))
#set up KV variable -- DEP SPEEDUP :: Don't waste time. Keep var persistent.
if (mydo!="depend") or not mysettings.has_key("KV"):
mykv,err1=ExtractKernelVersion(os.path.join(myroot, "usr/src/linux"))
if mykv:
# Regular source tree
mysettings["KV"]=mykv
else:
mysettings["KV"]=""
# Allow color.map to control colors associated with einfo, ewarn, etc...
mycolors = []
for c in ("GOOD", "WARN", "BAD", "HILITE", "BRACKET"):
mycolors.append("%s=$'%s'" % (c, output.codes[c]))
mysettings["PORTAGE_COLORMAP"] = "\n".join(mycolors)
def prepare_build_dirs(myroot, mysettings, cleanup):
clean_dirs = [mysettings["HOME"]]
# We enable cleanup when we want to make sure old cruft (such as the old
# environment) doesn't interfere with the current phase.
if cleanup:
clean_dirs.append(mysettings["T"])
for clean_dir in clean_dirs:
try:
shutil.rmtree(clean_dir)
except OSError, oe:
if errno.ENOENT == oe.errno:
pass
elif errno.EPERM == oe.errno:
writemsg("%s\n" % oe, noiselevel=-1)
writemsg("Operation Not Permitted: rmtree('%s')\n" % \
clean_dir, noiselevel=-1)
return 1
else:
raise
def makedirs(dir_path):
try:
os.makedirs(dir_path)
except OSError, oe:
if errno.EEXIST == oe.errno:
pass
elif errno.EPERM == oe.errno:
writemsg("%s\n" % oe, noiselevel=-1)
writemsg("Operation Not Permitted: makedirs('%s')\n" % \
dir_path, noiselevel=-1)
return False
else:
raise
return True
mysettings["PKG_LOGDIR"] = os.path.join(mysettings["T"], "logging")
mydirs = [os.path.dirname(mysettings["PORTAGE_BUILDDIR"])]
mydirs.append(os.path.dirname(mydirs[-1]))
try:
for mydir in mydirs:
portage_util.ensure_dirs(mydir)
portage_util.apply_secpass_permissions(mydir,
gid=portage_gid, uid=portage_uid, mode=070, mask=0)
for dir_key in ("PORTAGE_BUILDDIR", "HOME", "PKG_LOGDIR", "T"):
"""These directories don't necessarily need to be group writable.
However, the setup phase is commonly run as a privileged user prior
to the other phases being run by an unprivileged user. Currently,
we use the portage group to ensure that the unprivleged user still
has write access to these directories in any case."""
portage_util.ensure_dirs(mysettings[dir_key], mode=0775)
portage_util.apply_secpass_permissions(mysettings[dir_key],
uid=portage_uid, gid=portage_gid)
except portage_exception.PermissionDenied, e:
writemsg("Permission Denied: %s\n" % str(e), noiselevel=-1)
return 1
except portage_exception.OperationNotPermitted, e:
writemsg("Operation Not Permitted: %s\n" % str(e), noiselevel=-1)
return 1
except portage_exception.FileNotFound, e:
writemsg("File Not Found: '%s'\n" % str(e), noiselevel=-1)
return 1
features_dirs = {
"ccache":{
"basedir_var":"CCACHE_DIR",
"default_dir":os.path.join(mysettings["PORTAGE_TMPDIR"], "ccache"),
"always_recurse":False},
"confcache":{
"basedir_var":"CONFCACHE_DIR",
"default_dir":os.path.join(mysettings["PORTAGE_TMPDIR"], "confcache"),
"always_recurse":False},
"distcc":{
"basedir_var":"DISTCC_DIR",
"default_dir":os.path.join(mysettings["BUILD_PREFIX"], ".distcc"),
"subdirs":("lock", "state"),
"always_recurse":True}
}
dirmode = 02070
filemode = 060
modemask = 02
for myfeature, kwargs in features_dirs.iteritems():
if myfeature in mysettings.features:
basedir = mysettings[kwargs["basedir_var"]]
if basedir == "":
basedir = kwargs["default_dir"]
mysettings[kwargs["basedir_var"]] = basedir
try:
mydirs = [mysettings[kwargs["basedir_var"]]]
if "subdirs" in kwargs:
for subdir in kwargs["subdirs"]:
mydirs.append(os.path.join(basedir, subdir))
for mydir in mydirs:
modified = portage_util.ensure_dirs(mydir)
# Generally, we only want to apply permissions for
# initial creation. Otherwise, we don't know exactly what
# permissions the user wants, so should leave them as-is.
if modified or kwargs["always_recurse"]:
if modified:
writemsg("Adjusting permissions recursively: '%s'\n" % mydir,
noiselevel=-1)
def onerror(e):
raise # The feature is disabled if a single error
# occurs during permissions adjustment.
if not apply_recursive_permissions(mydir,
gid=portage_gid, dirmode=dirmode, dirmask=modemask,
filemode=filemode, filemask=modemask, onerror=onerror):
raise portage_exception.OperationNotPermitted(
"Failed to apply recursive permissions for the portage group.")
except portage_exception.PortageException, e:
mysettings.features.remove(myfeature)
mysettings["FEATURES"] = " ".join(mysettings.features)
writemsg("!!! %s\n" % str(e), noiselevel=-1)
writemsg("!!! Failed resetting perms on %s='%s'\n" % \
(kwargs["basedir_var"], basedir), noiselevel=-1)
writemsg("!!! Disabled FEATURES='%s'\n" % myfeature,
noiselevel=-1)
time.sleep(5)
workdir_mode = 0700
try:
mode = mysettings["PORTAGE_WORKDIR_MODE"]
if mode.isdigit():
parsed_mode = int(mode, 8)
elif mode == "":
raise KeyError()
else:
raise ValueError()
if parsed_mode & 07777 != parsed_mode:
raise ValueError("Invalid file mode: %s" % mode)
else:
workdir_mode = parsed_mode
except KeyError, e:
writemsg("!!! PORTAGE_WORKDIR_MODE is unset, using %s.\n" % oct(workdir_mode))
except ValueError, e:
if len(str(e)) > 0:
writemsg("%s\n" % e)
writemsg("!!! Unable to parse PORTAGE_WORKDIR_MODE='%s', using %s.\n" % \
(mysettings["PORTAGE_WORKDIR_MODE"], oct(workdir_mode)))
mysettings["PORTAGE_WORKDIR_MODE"] = oct(workdir_mode)
try:
apply_secpass_permissions(mysettings["WORKDIR"],
uid=portage_uid, gid=portage_gid, mode=workdir_mode)
except portage_exception.FileNotFound:
pass # ebuild.sh will create it
if mysettings.get("PORT_LOGDIR", "") == "":
while "PORT_LOGDIR" in mysettings:
del mysettings["PORT_LOGDIR"]
if "PORT_LOGDIR" in mysettings:
try:
modified = portage_util.ensure_dirs(mysettings["PORT_LOGDIR"])
if modified:
apply_secpass_permissions(mysettings["PORT_LOGDIR"],
uid=portage_uid, gid=portage_gid, mode=02770)
except portage_exception.PortageException, e:
writemsg("!!! %s\n" % str(e), noiselevel=-1)
writemsg("!!! Permission issues with PORT_LOGDIR='%s'\n" % \
mysettings["PORT_LOGDIR"], noiselevel=-1)
writemsg("!!! Disabling logging.\n", noiselevel=-1)
while "PORT_LOGDIR" in mysettings:
del mysettings["PORT_LOGDIR"]
if "PORT_LOGDIR" in mysettings:
logid_path = os.path.join(mysettings["PORTAGE_BUILDDIR"], ".logid")
if not os.path.exists(logid_path):
f = open(logid_path, "w")
f.close()
del f
logid_time = time.strftime("%Y%m%d-%H%M%S",
time.gmtime(os.stat(logid_path).st_mtime))
mysettings["PORTAGE_LOG_FILE"] = os.path.join(
mysettings["PORT_LOGDIR"], "%s:%s:%s.log" % \
(mysettings["CATEGORY"], mysettings["PF"], logid_time))
del logid_path, logid_time
else:
# When sesandbox is enabled, only log if PORT_LOGDIR is explicitly
# enabled since it is possible that local SELinux security policies
# do not allow ouput to be piped out of the sesandbox domain.
if not (mysettings.selinux_enabled() and \
"sesandbox" in mysettings.features):
mysettings["PORTAGE_LOG_FILE"] = os.path.join(
mysettings["T"], "build.log")
_doebuild_manifest_exempt_depend = 0
_doebuild_manifest_checked = None
def doebuild(myebuild, mydo, myroot, mysettings, debug=0, listonly=0,
fetchonly=0, cleanup=0, dbkey=None, use_cache=1, fetchall=0, tree=None,
mydbapi=None, vartree=None, prev_mtimes=None):
"""
Wrapper function that invokes specific ebuild phases through the spawning
of ebuild.sh
@param myebuild: name of the ebuild to invoke the phase on (CPV)
@type myebuild: String
@param mydo: Phase to run
@type mydo: String
@param myroot: $ROOT (usually '/', see man make.conf)
@type myroot: String
@param mysettings: Portage Configuration
@type mysettings: instance of portage.config
@param debug: Turns on various debug information (eg, debug for spawn)
@type debug: Boolean
@param listonly: Used to wrap fetch(); passed such that fetch only lists files required.
@type listonly: Boolean
@param fetchonly: Used to wrap fetch(); passed such that files are only fetched (no other actions)
@type fetchonly: Boolean
@param cleanup: Passed to prepare_build_dirs (TODO: what does it do?)
@type cleanup: Boolean
@param dbkey: A dict (usually keys and values from the depend phase, such as KEYWORDS, USE, etc..)
@type dbkey: Dict or String
@param use_cache: Enables the cache
@type use_cache: Boolean
@param fetchall: Used to wrap fetch(), fetches all URI's (even ones invalid due to USE conditionals)
@type fetchall: Boolean
@param tree: Which tree to use ('vartree','porttree','bintree', etc..), defaults to 'porttree'
@type tree: String
@param mydbapi: a dbapi instance to pass to various functions; this should be a portdbapi instance.
@type mydbapi: portdbapi instance
@param vartree: A instance of vartree; used for aux_get calls, defaults to db[myroot]['vartree']
@type vartree: vartree instance
@param prev_mtimes: A dict of { filename:mtime } keys used by merge() to do config_protection
@type prev_mtimes: dictionary
@rtype: Boolean
@returns:
1. 0 for success
2. 1 for error
Most errors have an accompanying error message.
listonly and fetchonly are only really necessary for operations involving 'fetch'
prev_mtimes are only necessary for merge operations.
Other variables may not be strictly required, many have defaults that are set inside of doebuild.
"""
if not tree:
writemsg("Warning: tree not specified to doebuild\n")
tree = "porttree"
global db
# chunked out deps for each phase, so that ebuild binary can use it
# to collapse targets down.
actionmap_deps={
"depend": [],
"setup": [],
"unpack": ["setup"],
"compile":["unpack"],
"test": ["compile"],
"install":["test"],
"rpm": ["install"],
"package":["install"],
}
if mydbapi is None:
mydbapi = db[myroot][tree].dbapi
if vartree is None and mydo in ("merge", "qmerge", "unmerge"):
vartree = db[myroot]["vartree"]
features = mysettings.features
validcommands = ["help","clean","prerm","postrm","cleanrm","preinst","postinst",
"config","setup","depend","fetch","digest",
"unpack","compile","test","install","rpm","qmerge","merge",
"package","unmerge", "manifest"]
if mydo not in validcommands:
validcommands.sort()
writemsg("!!! doebuild: '%s' is not one of the following valid commands:" % mydo,
noiselevel=-1)
for vcount in range(len(validcommands)):
if vcount%6 == 0:
writemsg("\n!!! ", noiselevel=-1)
writemsg(validcommands[vcount].ljust(11), noiselevel=-1)
writemsg("\n", noiselevel=-1)
return 1
if not os.path.exists(myebuild):
writemsg("!!! doebuild: %s not found for %s\n" % (myebuild, mydo),
noiselevel=-1)
return 1
global _doebuild_manifest_exempt_depend
if "strict" in features and \
"digest" not in features and \
tree == "porttree" and \
mydo not in ("digest", "manifest", "help") and \
not _doebuild_manifest_exempt_depend:
# Always verify the ebuild checksums before executing it.
pkgdir = os.path.dirname(myebuild)
manifest_path = os.path.join(pkgdir, "Manifest")
global _doebuild_manifest_checked
# Avoid checking the same Manifest several times in a row during a
# regen with an empty cache.
if _doebuild_manifest_checked != manifest_path:
if not os.path.exists(manifest_path):
writemsg("!!! Manifest file not found: '%s'\n" % manifest_path,
noiselevel=-1)
return 1
mf = Manifest(pkgdir, mysettings["DISTDIR"])
try:
mf.checkTypeHashes("EBUILD")
except portage_exception.FileNotFound, e:
writemsg("!!! A file listed in the Manifest " + \
"could not be found: %s\n" % str(e), noiselevel=-1)
return 1
except portage_exception.DigestException, e:
writemsg("!!! Digest verification failed:\n", noiselevel=-1)
writemsg("!!! %s\n" % e.value[0], noiselevel=-1)
writemsg("!!! Reason: %s\n" % e.value[1], noiselevel=-1)
writemsg("!!! Got: %s\n" % e.value[2], noiselevel=-1)
writemsg("!!! Expected: %s\n" % e.value[3], noiselevel=-1)
return 1
# Make sure that all of the ebuilds are actually listed in the
# Manifest.
for f in os.listdir(pkgdir):
if f.endswith(".ebuild") and not mf.hasFile("EBUILD", f):
writemsg("!!! A file is not listed in the " + \
"Manifest: '%s'\n" % os.path.join(pkgdir, f),
noiselevel=-1)
return 1
_doebuild_manifest_checked = manifest_path
logfile=None
builddir_lock = None
try:
if mydo in ("digest", "manifest", "help"):
# Temporarily exempt the depend phase from manifest checks, in case
# aux_get calls trigger cache generation.
_doebuild_manifest_exempt_depend += 1
doebuild_environment(myebuild, mydo, myroot, mysettings, debug,
use_cache, mydbapi)
# get possible slot information from the deps file
if mydo == "depend":
writemsg("!!! DEBUG: dbkey: %s\n" % str(dbkey), 2)
if isinstance(dbkey, dict):
mysettings["dbkey"] = ""
pr, pw = os.pipe()
fd_pipes = {0:0, 1:1, 2:2, 9:pw}
mypids = spawn(EBUILD_SH_BINARY + " depend", mysettings,
fd_pipes=fd_pipes, returnpid=True)
os.close(pw) # belongs exclusively to the child process now
maxbytes = 1024
mybytes = []
while True:
mybytes.append(os.read(pr, maxbytes))
if not mybytes[-1]:
break
os.close(pr)
mybytes = "".join(mybytes)
global auxdbkeys
for k, v in izip(auxdbkeys, mybytes.splitlines()):
dbkey[k] = v
retval = os.waitpid(mypids[0], 0)[1]
portage_exec.spawned_pids.remove(mypids[0])
# If it got a signal, return the signal that was sent, but
# shift in order to distinguish it from a return value. (just
# like portage_exec.spawn() would do).
if retval & 0xff:
return (retval & 0xff) << 8
# Otherwise, return its exit code.
return retval >> 8
elif dbkey:
mysettings["dbkey"] = dbkey
else:
mysettings["dbkey"] = \
os.path.join(mysettings.depcachedir, "aux_db_key_temp")
return spawn(EBUILD_SH_BINARY + " depend", mysettings)
# Validate dependency metadata here to ensure that ebuilds with invalid
# data are never installed (even via the ebuild command).
invalid_dep_exempt_phases = \
set(["clean", "cleanrm", "help", "prerm", "postrm"])
mycpv = mysettings["CATEGORY"] + "/" + mysettings["PF"]
dep_keys = ["DEPEND", "RDEPEND", "PDEPEND"]
misc_keys = ["LICENSE", "PROVIDE", "RESTRICT", "SRC_URI"]
all_keys = dep_keys + misc_keys
metadata = dict(izip(all_keys, mydbapi.aux_get(mycpv, all_keys)))
class FakeTree(object):
def __init__(self, mydb):
self.dbapi = mydb
dep_check_trees = {myroot:{}}
dep_check_trees[myroot]["porttree"] = \
FakeTree(fakedbapi(settings=mysettings))
for dep_type in dep_keys:
mycheck = dep_check(metadata[dep_type], None, mysettings,
myuse="all", myroot=myroot, trees=dep_check_trees)
if not mycheck[0]:
writemsg("%s: %s\n%s\n" % (
dep_type, metadata[dep_type], mycheck[1]), noiselevel=-1)
if mydo not in invalid_dep_exempt_phases:
return 1
del dep_type, mycheck
for k in misc_keys:
try:
portage_dep.use_reduce(
portage_dep.paren_reduce(metadata[k]), matchall=True)
except portage_exception.InvalidDependString, e:
writemsg("%s: %s\n%s\n" % (
k, metadata[k], str(e)), noiselevel=-1)
del e
if mydo not in invalid_dep_exempt_phases:
return 1
del k
del mycpv, dep_keys, metadata, misc_keys, FakeTree, dep_check_trees
if "PORTAGE_TMPDIR" not in mysettings or \
not os.path.isdir(mysettings["PORTAGE_TMPDIR"]):
writemsg("The directory specified in your " + \
"PORTAGE_TMPDIR variable, '%s',\n" % \
mysettings.get("PORTAGE_TMPDIR", ""), noiselevel=-1)
writemsg("does not exist. Please create this directory or " + \
"correct your PORTAGE_TMPDIR setting.\n", noiselevel=-1)
return 1
# Build directory creation isn't required for any of these.
if mydo not in ("digest", "fetch", "help", "manifest"):
mystatus = prepare_build_dirs(myroot, mysettings, cleanup)
if mystatus:
return mystatus
# PORTAGE_LOG_FILE is set above by the prepare_build_dirs() call.
logfile = mysettings.get("PORTAGE_LOG_FILE", None)
if mydo == "unmerge":
return unmerge(mysettings["CATEGORY"],
mysettings["PF"], myroot, mysettings, vartree=vartree)
# if any of these are being called, handle them -- running them out of
# the sandbox -- and stop now.
if mydo in ["clean","cleanrm"]:
return spawn(EBUILD_SH_BINARY + " clean", mysettings,
debug=debug, free=1, logfile=None)
elif mydo == "help":
return spawn(EBUILD_SH_BINARY + " " + mydo, mysettings,
debug=debug, free=1, logfile=logfile)
elif mydo == "setup":
infodir = os.path.join(
mysettings["PORTAGE_BUILDDIR"], "build-info")
if os.path.isdir(infodir):
"""Load USE flags for setup phase of a binary package.
Ideally, the environment.bz2 would be used instead."""
mysettings.load_infodir(infodir)
retval = spawn(EBUILD_SH_BINARY + " " + mydo, mysettings,
debug=debug, free=1, logfile=logfile)
if secpass >= 2:
""" Privileged phases may have left files that need to be made
writable to a less privileged user."""
apply_recursive_permissions(mysettings["T"],
uid=portage_uid, gid=portage_gid, dirmode=070, dirmask=0,
filemode=060, filemask=0)
return retval
elif mydo == "preinst":
mysettings["IMAGE"] = mysettings["D"]
phase_retval = spawn(" ".join((EBUILD_SH_BINARY, mydo)),
mysettings, debug=debug, free=1, logfile=logfile)
if phase_retval == os.EX_OK:
# Post phase logic and tasks that have been factored out of
# ebuild.sh.
myargs = [MISC_SH_BINARY, "preinst_bsdflags", "preinst_mask",
"preinst_sfperms", "preinst_selinux_labels",
"preinst_suid_scan"]
mysettings["EBUILD_PHASE"] = ""
phase_retval = spawn(" ".join(myargs),
mysettings, debug=debug, free=1, logfile=logfile)
if phase_retval != os.EX_OK:
writemsg("!!! post preinst failed; exiting.\n",
noiselevel=-1)
del mysettings["IMAGE"]
return phase_retval
elif mydo == "postinst":
mysettings.load_infodir(mysettings["O"])
phase_retval = spawn(" ".join((EBUILD_SH_BINARY, mydo)),
mysettings, debug=debug, free=1, logfile=logfile)
if phase_retval == os.EX_OK:
# Post phase logic and tasks that have been factored out of
# ebuild.sh.
myargs = [MISC_SH_BINARY, "postinst_bsdflags"]
mysettings["EBUILD_PHASE"] = ""
phase_retval = spawn(" ".join(myargs),
mysettings, debug=debug, free=1, logfile=logfile)
if phase_retval != os.EX_OK:
writemsg("!!! post postinst failed; exiting.\n",
noiselevel=-1)
return phase_retval
elif mydo in ["prerm","postrm","config"]:
mysettings.load_infodir(mysettings["O"])
return spawn(EBUILD_SH_BINARY + " " + mydo,
mysettings, debug=debug, free=1, logfile=logfile)
mycpv = "/".join((mysettings["CATEGORY"], mysettings["PF"]))
# Make sure we get the correct tree in case there are overlays.
mytree = os.path.realpath(
os.path.dirname(os.path.dirname(mysettings["O"])))
try:
newuris, alist = mydbapi.getfetchlist(
mycpv, mytree=mytree, mysettings=mysettings)
alluris, aalist = mydbapi.getfetchlist(
mycpv, mytree=mytree, all=True, mysettings=mysettings)
except portage_exception.InvalidDependString, e:
writemsg("!!! %s\n" % str(e), noiselevel=-1)
writemsg("!!! Invalid SRC_URI for '%s'.\n" % mycpv, noiselevel=-1)
del e
return 1
mysettings["A"] = " ".join(alist)
mysettings["AA"] = " ".join(aalist)
if ("mirror" in features) or fetchall:
fetchme = alluris[:]
checkme = aalist[:]
elif mydo == "digest":
fetchme = alluris[:]
checkme = aalist[:]
# Skip files that we already have digests for.
mf = Manifest(mysettings["O"], mysettings["DISTDIR"])
mydigests = mf.getTypeDigests("DIST")
required_hash_types = set()
required_hash_types.add("size")
required_hash_types.add(portage_const.MANIFEST2_REQUIRED_HASH)
for filename, hashes in mydigests.iteritems():
if not required_hash_types.difference(hashes):
checkme = [i for i in checkme if i != filename]
fetchme = [i for i in fetchme \
if os.path.basename(i) != filename]
del filename, hashes
else:
fetchme = newuris[:]
checkme = alist[:]
# Only try and fetch the files if we are going to need them ...
# otherwise, if user has FEATURES=noauto and they run `ebuild clean
# unpack compile install`, we will try and fetch 4 times :/
need_distfiles = (mydo in ("fetch", "unpack") or \
mydo not in ("digest", "manifest") and "noauto" not in features)
if need_distfiles and not fetch(
fetchme, mysettings, listonly=listonly, fetchonly=fetchonly):
return 1
if mydo == "fetch" and listonly:
return 0
try:
if mydo == "manifest":
return not digestgen(aalist, mysettings, overwrite=1,
manifestonly=1, myportdb=mydbapi)
elif mydo == "digest":
return not digestgen(aalist, mysettings, overwrite=1,
myportdb=mydbapi)
elif "digest" in mysettings.features:
digestgen(aalist, mysettings, overwrite=0, myportdb=mydbapi)
except portage_exception.PermissionDenied, e:
writemsg("!!! %s\n" % str(e), noiselevel=-1)
if mydo in ("digest", "manifest"):
return 1
# See above comment about fetching only when needed
if not digestcheck(checkme, mysettings, ("strict" in features),
(mydo not in ["digest","fetch","unpack"] and \
mysettings.get("PORTAGE_CALLER", None) == "ebuild" and \
"noauto" in features)):
return 1
if mydo == "fetch":
return 0
# remove PORTAGE_ACTUAL_DISTDIR once cvs/svn is supported via SRC_URI
if (mydo != "setup" and "noauto" not in features) or mydo == "unpack":
orig_distdir = mysettings["DISTDIR"]
mysettings["PORTAGE_ACTUAL_DISTDIR"] = orig_distdir
edpath = mysettings["DISTDIR"] = \
os.path.join(mysettings["PORTAGE_BUILDDIR"], "distdir")
if os.path.exists(edpath):
try:
if os.path.isdir(edpath) and not os.path.islink(edpath):
shutil.rmtree(edpath)
else:
os.unlink(edpath)
except OSError:
print "!!! Failed reseting ebuild distdir path, " + edpath
raise
os.mkdir(edpath)
apply_secpass_permissions(edpath, uid=portage_uid, mode=0755)
try:
for file in alist:
os.symlink(os.path.join(orig_distdir, file),
os.path.join(edpath, file))
except OSError:
print "!!! Failed symlinking in '%s' to ebuild distdir" % file
raise
#initial dep checks complete; time to process main commands
restrict = mysettings["PORTAGE_RESTRICT"].split()
nosandbox = (("userpriv" in features) and \
("usersandbox" not in features) and \
"userpriv" not in restrict and \
"nouserpriv" not in restrict)
if nosandbox and ("userpriv" not in features or \
"userpriv" in restrict or \
"nouserpriv" in restrict):
nosandbox = ("sandbox" not in features and \
"usersandbox" not in features)
sesandbox = mysettings.selinux_enabled() and \
"sesandbox" in mysettings.features
ebuild_sh = EBUILD_SH_BINARY + " %s"
misc_sh = MISC_SH_BINARY + " dyn_%s"
# args are for the to spawn function
actionmap = {
"depend": {"cmd":ebuild_sh, "args":{"droppriv":1, "free":0, "sesandbox":0}},
"setup": {"cmd":ebuild_sh, "args":{"droppriv":0, "free":1, "sesandbox":0}},
"unpack": {"cmd":ebuild_sh, "args":{"droppriv":1, "free":0, "sesandbox":sesandbox}},
"compile":{"cmd":ebuild_sh, "args":{"droppriv":1, "free":nosandbox, "sesandbox":sesandbox}},
"test": {"cmd":ebuild_sh, "args":{"droppriv":1, "free":nosandbox, "sesandbox":sesandbox}},
"install":{"cmd":ebuild_sh, "args":{"droppriv":0, "free":0, "sesandbox":sesandbox}},
"rpm": {"cmd":misc_sh, "args":{"droppriv":0, "free":0, "sesandbox":0}},
"package":{"cmd":misc_sh, "args":{"droppriv":0, "free":0, "sesandbox":0}},
}
# merge the deps in so we have again a 'full' actionmap
# be glad when this can die.
for x in actionmap.keys():
if len(actionmap_deps.get(x, [])):
actionmap[x]["dep"] = ' '.join(actionmap_deps[x])
if mydo in actionmap.keys():
if mydo=="package":
portage_util.ensure_dirs(
os.path.join(mysettings["PKGDIR"], mysettings["CATEGORY"]))
portage_util.ensure_dirs(
os.path.join(mysettings["PKGDIR"], "All"))
retval = spawnebuild(mydo,
actionmap, mysettings, debug, logfile=logfile)
elif mydo=="qmerge":
# check to ensure install was run. this *only* pops up when users
# forget it and are using ebuild
if not os.path.exists(
os.path.join(mysettings["PORTAGE_BUILDDIR"], ".installed")):
writemsg("!!! mydo=qmerge, but the install phase has not been run\n",
noiselevel=-1)
return 1
# qmerge is a special phase that implies noclean.
if "noclean" not in mysettings.features:
mysettings.features.append("noclean")
#qmerge is specifically not supposed to do a runtime dep check
retval = merge(
mysettings["CATEGORY"], mysettings["PF"], mysettings["D"],
os.path.join(mysettings["PORTAGE_BUILDDIR"], "build-info"),
myroot, mysettings, myebuild=mysettings["EBUILD"], mytree=tree,
mydbapi=mydbapi, vartree=vartree, prev_mtimes=prev_mtimes)
elif mydo=="merge":
retval = spawnebuild("install", actionmap, mysettings, debug,
alwaysdep=1, logfile=logfile)
if retval == os.EX_OK:
retval = merge(mysettings["CATEGORY"], mysettings["PF"],
mysettings["D"], os.path.join(mysettings["PORTAGE_BUILDDIR"],
"build-info"), myroot, mysettings,
myebuild=mysettings["EBUILD"], mytree=tree, mydbapi=mydbapi,
vartree=vartree, prev_mtimes=prev_mtimes)
else:
print "!!! Unknown mydo:",mydo
return 1
if retval != os.EX_OK and tree == "porttree":
for i in xrange(len(mydbapi.porttrees)-1):
t = mydbapi.porttrees[i+1]
if myebuild.startswith(t):
# Display the non-cannonical path, in case it's different, to
# prevent confusion.
overlays = mysettings["PORTDIR_OVERLAY"].split()
try:
writemsg("!!! This ebuild is from an overlay: '%s'\n" % \
overlays[i], noiselevel=-1)
except IndexError:
pass
break
return retval
finally:
if builddir_lock:
portage_locks.unlockdir(builddir_lock)
# Make sure that DISTDIR is restored to it's normal value before we return!
if "PORTAGE_ACTUAL_DISTDIR" in mysettings:
mysettings["DISTDIR"] = mysettings["PORTAGE_ACTUAL_DISTDIR"]
del mysettings["PORTAGE_ACTUAL_DISTDIR"]
if logfile:
try:
if os.stat(logfile).st_size == 0:
os.unlink(logfile)
except OSError:
pass
if mydo in ("digest", "manifest", "help"):
# If necessary, depend phase has been triggered by aux_get calls
# and the exemption is no longer needed.
_doebuild_manifest_exempt_depend -= 1
expandcache={}
def movefile(src,dest,newmtime=None,sstat=None,mysettings=None):
"""moves a file from src to dest, preserving all permissions and attributes; mtime will
be preserved even when moving across filesystems. Returns true on success and false on
failure. Move is atomic."""
#print "movefile("+str(src)+","+str(dest)+","+str(newmtime)+","+str(sstat)+")"
global lchown
if mysettings is None:
global settings
mysettings = settings
selinux_enabled = mysettings.selinux_enabled()
try:
if not sstat:
sstat=os.lstat(src)
except SystemExit, e:
raise
except Exception, e:
print "!!! Stating source file failed... movefile()"
print "!!!",e
return None
destexists=1
try:
dstat=os.lstat(dest)
except (OSError, IOError):
dstat=os.lstat(os.path.dirname(dest))
destexists=0
if bsd_chflags:
if destexists and dstat.st_flags != 0:
bsd_chflags.lchflags(dest, 0)
pflags = os.stat(os.path.dirname(dest)).st_flags
if pflags != 0:
bsd_chflags.lchflags(os.path.dirname(dest), 0)
if destexists:
if stat.S_ISLNK(dstat[stat.ST_MODE]):
try:
os.unlink(dest)
destexists=0
except SystemExit, e:
raise
except Exception, e:
pass
if stat.S_ISLNK(sstat[stat.ST_MODE]):
try:
target=os.readlink(src)
if mysettings and mysettings["D"]:
if target.find(mysettings["D"])==0:
target=target[len(mysettings["D"]):]
if destexists and not stat.S_ISDIR(dstat[stat.ST_MODE]):
os.unlink(dest)
if selinux_enabled:
sid = selinux.get_lsid(src)
selinux.secure_symlink(target,dest,sid)
else:
os.symlink(target,dest)
lchown(dest,sstat[stat.ST_UID],sstat[stat.ST_GID])
# utime() only works on the target of a symlink, so it's not
# possible to perserve mtime on symlinks.
return os.lstat(dest)[stat.ST_MTIME]
except SystemExit, e:
raise
except Exception, e:
print "!!! failed to properly create symlink:"
print "!!!",dest,"->",target
print "!!!",e
return None
renamefailed=1
if sstat[stat.ST_DEV]==dstat[stat.ST_DEV] or selinux_enabled:
try:
if selinux_enabled:
ret=selinux.secure_rename(src,dest)
else:
ret=os.rename(src,dest)
renamefailed=0
except SystemExit, e:
raise
except Exception, e:
if e[0]!=errno.EXDEV:
# Some random error.
print "!!! Failed to move",src,"to",dest
print "!!!",e
return None
# Invalid cross-device-link 'bind' mounted or actually Cross-Device
if renamefailed:
didcopy=0
if stat.S_ISREG(sstat[stat.ST_MODE]):
try: # For safety copy then move it over.
if selinux_enabled:
selinux.secure_copy(src,dest+"#new")
selinux.secure_rename(dest+"#new",dest)
else:
shutil.copyfile(src,dest+"#new")
os.rename(dest+"#new",dest)
didcopy=1
except SystemExit, e:
raise
except Exception, e:
print '!!! copy',src,'->',dest,'failed.'
print "!!!",e
return None
else:
#we don't yet handle special, so we need to fall back to /bin/mv
if selinux_enabled:
a=commands.getstatusoutput(MOVE_BINARY+" -c -f "+"'"+src+"' '"+dest+"'")
else:
a=commands.getstatusoutput(MOVE_BINARY+" -f "+"'"+src+"' '"+dest+"'")
if a[0]!=0:
print "!!! Failed to move special file:"
print "!!! '"+src+"' to '"+dest+"'"
print "!!!",a
return None # failure
try:
if didcopy:
if stat.S_ISLNK(sstat[stat.ST_MODE]):
lchown(dest,sstat[stat.ST_UID],sstat[stat.ST_GID])
else:
os.chown(dest,sstat[stat.ST_UID],sstat[stat.ST_GID])
os.chmod(dest, stat.S_IMODE(sstat[stat.ST_MODE])) # Sticky is reset on chown
os.unlink(src)
except SystemExit, e:
raise
except Exception, e:
print "!!! Failed to chown/chmod/unlink in movefile()"
print "!!!",dest
print "!!!",e
return None
if newmtime:
os.utime(dest,(newmtime,newmtime))
else:
os.utime(dest, (sstat[stat.ST_ATIME], sstat[stat.ST_MTIME]))
newmtime=sstat[stat.ST_MTIME]
if bsd_chflags:
# Restore the flags we saved before moving
if pflags:
bsd_chflags.lchflags(os.path.dirname(dest), pflags)
return newmtime
def merge(mycat, mypkg, pkgloc, infloc, myroot, mysettings, myebuild=None,
mytree=None, mydbapi=None, vartree=None, prev_mtimes=None):
if not os.access(myroot, os.W_OK):
writemsg("Permission denied: access('%s', W_OK)\n" % myroot,
noiselevel=-1)
return errno.EACCES
mylink = dblink(mycat, mypkg, myroot, mysettings, treetype=mytree,
vartree=vartree)
return mylink.merge(pkgloc, infloc, myroot, myebuild,
mydbapi=mydbapi, prev_mtimes=prev_mtimes)
def unmerge(cat, pkg, myroot, mysettings, mytrimworld=1, vartree=None, ldpath_mtimes=None):
mylink = dblink(
cat, pkg, myroot, mysettings, treetype="vartree", vartree=vartree)
try:
mylink.lockdb()
if mylink.exists():
retval = mylink.unmerge(trimworld=mytrimworld, cleanup=1,
ldpath_mtimes=ldpath_mtimes)
if retval == os.EX_OK:
mylink.delete()
return retval
return os.EX_OK
finally:
mylink.unlockdb()
def getCPFromCPV(mycpv):
"""Calls pkgsplit on a cpv and returns only the cp."""
return pkgsplit(mycpv)[0]
def dep_virtual(mysplit, mysettings):
"Does virtual dependency conversion"
newsplit=[]
myvirtuals = mysettings.getvirtuals()
for x in mysplit:
if type(x)==types.ListType:
newsplit.append(dep_virtual(x, mysettings))
else:
mykey=dep_getkey(x)
mychoices = myvirtuals.get(mykey, None)
if mychoices:
if len(mychoices) == 1:
a = x.replace(mykey, mychoices[0])
else:
if x[0]=="!":
# blocker needs "and" not "or(||)".
a=[]
else:
a=['||']
for y in mychoices:
a.append(x.replace(mykey, y))
newsplit.append(a)
else:
newsplit.append(x)
return newsplit
def _expand_new_virtuals(mysplit, edebug, mydbapi, mysettings, myroot="/",
trees=None, **kwargs):
"""Recursively expand new-style virtuals so as to collapse one or more
levels of indirection. In dep_zapdeps, new-style virtuals will be assigned
zero cost regardless of whether or not they are currently installed. Virtual
blockers are supported but only when the virtual expands to a single
atom because it wouldn't necessarily make sense to block all the components
of a compound virtual. When more than one new-style virtual is matched,
the matches are sorted from highest to lowest versions and the atom is
expanded to || ( highest match ... lowest match )."""
newsplit = []
# According to GLEP 37, RDEPEND is the only dependency type that is valid
# for new-style virtuals. Repoman should enforce this.
dep_keys = ["RDEPEND", "DEPEND", "PDEPEND"]
def compare_pkgs(a, b):
return pkgcmp(b[1], a[1])
portdb = trees[myroot]["porttree"].dbapi
if kwargs["use_binaries"]:
portdb = trees[myroot]["bintree"].dbapi
myvirtuals = mysettings.getvirtuals()
for x in mysplit:
if x == "||":
newsplit.append(x)
continue
elif isinstance(x, list):
newsplit.append(_expand_new_virtuals(x, edebug, mydbapi,
mysettings, myroot=myroot, trees=trees, **kwargs))
continue
if portage_dep._dep_check_strict and \
not isvalidatom(x, allow_blockers=True):
raise portage_exception.ParseError(
"invalid atom: '%s'" % x)
mykey = dep_getkey(x)
if not mykey.startswith("virtual/"):
newsplit.append(x)
continue
mychoices = myvirtuals.get(mykey, [])
isblocker = x.startswith("!")
match_atom = x
if isblocker:
match_atom = x[1:]
pkgs = {}
for cpv in portdb.match(match_atom):
# only use new-style matches
if cpv.startswith("virtual/"):
pkgs[cpv] = (cpv, catpkgsplit(cpv)[1:], portdb)
if kwargs["use_binaries"] and "vartree" in trees[myroot]:
vardb = trees[myroot]["vartree"].dbapi
for cpv in vardb.match(match_atom):
# only use new-style matches
if cpv.startswith("virtual/"):
if cpv in pkgs:
continue
pkgs[cpv] = (cpv, catpkgsplit(cpv)[1:], vardb)
if not (pkgs or mychoices):
# This one couldn't be expanded as a new-style virtual. Old-style
# virtuals have already been expanded by dep_virtual, so this one
# is unavailable and dep_zapdeps will identify it as such. The
# atom is not eliminated here since it may still represent a
# dependency that needs to be satisfied.
newsplit.append(x)
continue
if not pkgs and len(mychoices) == 1:
newsplit.append(x.replace(mykey, mychoices[0]))
continue
pkgs = pkgs.values()
pkgs.sort(compare_pkgs) # Prefer higher versions.
if isblocker:
a = []
else:
a = ['||']
for y in pkgs:
depstring = " ".join(y[2].aux_get(y[0], dep_keys))
if edebug:
print "Virtual Parent: ", y[0]
print "Virtual Depstring:", depstring
mycheck = dep_check(depstring, mydbapi, mysettings, myroot=myroot,
trees=trees, **kwargs)
if not mycheck[0]:
raise portage_exception.ParseError(
"%s: %s '%s'" % (y[0], mycheck[1], depstring))
if isblocker:
virtual_atoms = [atom for atom in mycheck[1] \
if not atom.startswith("!")]
if len(virtual_atoms) == 1:
# It wouldn't make sense to block all the components of a
# compound virtual, so only a single atom block is allowed.
a.append("!" + virtual_atoms[0])
else:
mycheck[1].append("="+y[0]) # pull in the new-style virtual
a.append(mycheck[1])
# Plain old-style virtuals. New-style virtuals are preferred.
for y in mychoices:
a.append(x.replace(mykey, y))
if isblocker and not a:
# Probably a compound virtual. Pass the atom through unprocessed.
newsplit.append(x)
continue
newsplit.append(a)
return newsplit
def dep_eval(deplist):
if not deplist:
return 1
if deplist[0]=="||":
#or list; we just need one "1"
for x in deplist[1:]:
if type(x)==types.ListType:
if dep_eval(x)==1:
return 1
elif x==1:
return 1
#XXX: unless there's no available atoms in the list
#in which case we need to assume that everything is
#okay as some ebuilds are relying on an old bug.
if len(deplist) == 1:
return 1
return 0
else:
for x in deplist:
if type(x)==types.ListType:
if dep_eval(x)==0:
return 0
elif x==0 or x==2:
return 0
return 1
def dep_zapdeps(unreduced, reduced, myroot, use_binaries=0, trees=None):
"""Takes an unreduced and reduced deplist and removes satisfied dependencies.
Returned deplist contains steps that must be taken to satisfy dependencies."""
if trees is None:
global db
trees = db
writemsg("ZapDeps -- %s\n" % (use_binaries), 2)
if not reduced or unreduced == ["||"] or dep_eval(reduced):
return []
if unreduced[0] != "||":
unresolved = []
for dep, satisfied in izip(unreduced, reduced):
if isinstance(dep, list):
unresolved += dep_zapdeps(dep, satisfied, myroot,
use_binaries=use_binaries, trees=trees)
elif not satisfied:
unresolved.append(dep)
return unresolved
# We're at a ( || atom ... ) type level and need to make a choice
deps = unreduced[1:]
satisfieds = reduced[1:]
# Our preference order is for an the first item that:
# a) contains all unmasked packages with the same key as installed packages
# b) contains all unmasked packages
# c) contains masked installed packages
# d) is the first item
preferred = []
preferred_any_slot = []
possible_upgrades = []
other = []
# Alias the trees we'll be checking availability against
vardb = None
if "vartree" in trees[myroot]:
vardb = trees[myroot]["vartree"].dbapi
if use_binaries:
mydbapi = trees[myroot]["bintree"].dbapi
else:
mydbapi = trees[myroot]["porttree"].dbapi
# Sort the deps into preferred (installed) and other
# with values of [[required_atom], availablility]
for dep, satisfied in izip(deps, satisfieds):
if isinstance(dep, list):
atoms = dep_zapdeps(dep, satisfied, myroot,
use_binaries=use_binaries, trees=trees)
else:
atoms = [dep]
if not vardb:
# called by repoman
other.append((atoms, None, False))
continue
all_available = True
versions = {}
for atom in atoms:
avail_pkg = best(mydbapi.match(atom))
if avail_pkg:
avail_slot = "%s:%s" % (dep_getkey(atom),
mydbapi.aux_get(avail_pkg, ["SLOT"])[0])
elif not avail_pkg and use_binaries:
# With --usepkgonly, count installed packages as "available".
# Note that --usepkgonly currently has no package.mask support.
# See bug #149816.
avail_pkg = best(vardb.match(atom))
if avail_pkg:
avail_slot = "%s:%s" % (dep_getkey(atom),
vardb.aux_get(avail_pkg, ["SLOT"])[0])
if not avail_pkg:
all_available = False
break
versions[avail_slot] = avail_pkg
this_choice = (atoms, versions, all_available)
if all_available:
# The "all installed" criterion is not version or slot specific.
# If any version of a package is installed then we assume that it
# is preferred over other possible packages choices.
all_installed = True
for atom in set([dep_getkey(atom) for atom in atoms]):
# New-style virtuals have zero cost to install.
if not vardb.match(atom) and not atom.startswith("virtual/"):
all_installed = False
break
all_installed_slots = False
if all_installed:
all_installed_slots = True
for slot_atom in versions:
# New-style virtuals have zero cost to install.
if not vardb.match(slot_atom) and \
not slot_atom.startswith("virtual/"):
all_installed_slots = False
break
if all_installed:
if all_installed_slots:
preferred.append(this_choice)
else:
preferred_any_slot.append(this_choice)
else:
possible_upgrades.append(this_choice)
else:
other.append(this_choice)
# Compare the "all_installed" choices against the "all_available" choices
# for possible missed upgrades. The main purpose of this code is to find
# upgrades of new-style virtuals since _expand_new_virtuals() expands them
# into || ( highest version ... lowest version ). We want to prefer the
# highest all_available version of the new-style virtual when there is a
# lower all_installed version.
preferred.extend(preferred_any_slot)
preferred.extend(possible_upgrades)
possible_upgrades = preferred[1:]
for possible_upgrade in possible_upgrades:
atoms, versions, all_available = possible_upgrade
myslots = set(versions)
for other_choice in preferred:
if possible_upgrade is other_choice:
# possible_upgrade will not be promoted, so move on
break
o_atoms, o_versions, o_all_available = other_choice
intersecting_slots = myslots.intersection(o_versions)
if not intersecting_slots:
continue
has_upgrade = False
has_downgrade = False
for myslot in intersecting_slots:
myversion = versions[myslot]
o_version = o_versions[myslot]
if myversion != o_version:
if myversion == best([myversion, o_version]):
has_upgrade = True
else:
has_downgrade = True
break
if has_upgrade and not has_downgrade:
preferred.remove(possible_upgrade)
o_index = preferred.index(other_choice)
preferred.insert(o_index, possible_upgrade)
break
# preferred now contains a) and c) from the order above with
# the masked flag differentiating the two. other contains b)
# and d) so adding other to preferred will give us a suitable
# list to iterate over.
preferred.extend(other)
for allow_masked in (False, True):
for atoms, versions, all_available in preferred:
if all_available or allow_masked:
return atoms
assert(False) # This point should not be reachable
def dep_expand(mydep, mydb=None, use_cache=1, settings=None):
if not len(mydep):
return mydep
if mydep[0]=="*":
mydep=mydep[1:]
orig_dep = mydep
mydep = dep_getcpv(orig_dep)
myindex = orig_dep.index(mydep)
prefix = orig_dep[:myindex]
postfix = orig_dep[myindex+len(mydep):]
return prefix + cpv_expand(
mydep, mydb=mydb, use_cache=use_cache, settings=settings) + postfix
def dep_check(depstring, mydbapi, mysettings, use="yes", mode=None, myuse=None,
use_cache=1, use_binaries=0, myroot="/", trees=None):
"""Takes a depend string and parses the condition."""
edebug = mysettings.get("PORTAGE_DEBUG", None) == "1"
#check_config_instance(mysettings)
if trees is None:
trees = globals()["db"]
if use=="yes":
if myuse is None:
#default behavior
myusesplit = mysettings["USE"].split()
else:
myusesplit = myuse
# We've been given useflags to use.
#print "USE FLAGS PASSED IN."
#print myuse
#if "bindist" in myusesplit:
# print "BINDIST is set!"
#else:
# print "BINDIST NOT set."
else:
#we are being run by autouse(), don't consult USE vars yet.
# WE ALSO CANNOT USE SETTINGS
myusesplit=[]
#convert parenthesis to sublists
try:
mysplit = portage_dep.paren_reduce(depstring)
except portage_exception.InvalidDependString, e:
return [0, str(e)]
mymasks = set()
useforce = set()
useforce.add(mysettings["ARCH"])
if use == "all":
# This masking/forcing is only for repoman. In other cases, relevant
# masking/forcing should have already been applied via
# config.regenerate(). Also, binary or installed packages may have
# been built with flags that are now masked, and it would be
# inconsistent to mask them now. Additionally, myuse may consist of
# flags from a parent package that is being merged to a $ROOT that is
# different from the one that mysettings represents.
mymasks.update(mysettings.usemask)
mymasks.update(mysettings.archlist())
mymasks.discard(mysettings["ARCH"])
useforce.update(mysettings.useforce)
useforce.difference_update(mymasks)
try:
mysplit = portage_dep.use_reduce(mysplit, uselist=myusesplit,
masklist=mymasks, matchall=(use=="all"), excludeall=useforce)
except portage_exception.InvalidDependString, e:
return [0, str(e)]
# Do the || conversions
mysplit=portage_dep.dep_opconvert(mysplit)
if mysplit == []:
#dependencies were reduced to nothing
return [1,[]]
# Recursively expand new-style virtuals so as to
# collapse one or more levels of indirection.
try:
mysplit = _expand_new_virtuals(mysplit, edebug, mydbapi, mysettings,
use=use, mode=mode, myuse=myuse, use_cache=use_cache,
use_binaries=use_binaries, myroot=myroot, trees=trees)
except portage_exception.ParseError, e:
return [0, str(e)]
mysplit2=mysplit[:]
mysplit2=dep_wordreduce(mysplit2,mysettings,mydbapi,mode,use_cache=use_cache)
if mysplit2 is None:
return [0,"Invalid token"]
writemsg("\n\n\n", 1)
writemsg("mysplit: %s\n" % (mysplit), 1)
writemsg("mysplit2: %s\n" % (mysplit2), 1)
myzaps = dep_zapdeps(mysplit, mysplit2, myroot,
use_binaries=use_binaries, trees=trees)
mylist = flatten(myzaps)
writemsg("myzaps: %s\n" % (myzaps), 1)
writemsg("mylist: %s\n" % (mylist), 1)
#remove duplicates
mydict={}
for x in mylist:
mydict[x]=1
writemsg("mydict: %s\n" % (mydict), 1)
return [1,mydict.keys()]
def dep_wordreduce(mydeplist,mysettings,mydbapi,mode,use_cache=1):
"Reduces the deplist to ones and zeros"
deplist=mydeplist[:]
for mypos in xrange(len(deplist)):
if type(deplist[mypos])==types.ListType:
#recurse
deplist[mypos]=dep_wordreduce(deplist[mypos],mysettings,mydbapi,mode,use_cache=use_cache)
elif deplist[mypos]=="||":
pass
else:
mykey = dep_getkey(deplist[mypos])
if mysettings and mysettings.pprovideddict.has_key(mykey) and \
match_from_list(deplist[mypos], mysettings.pprovideddict[mykey]):
deplist[mypos]=True
elif mydbapi is None:
# Assume nothing is satisfied. This forces dep_zapdeps to
# return all of deps the deps that have been selected
# (excluding those satisfied by package.provided).
deplist[mypos] = False
else:
if mode:
mydep=mydbapi.xmatch(mode,deplist[mypos])
else:
mydep=mydbapi.match(deplist[mypos],use_cache=use_cache)
if mydep!=None:
tmp=(len(mydep)>=1)
if deplist[mypos][0]=="!":
tmp=False
deplist[mypos]=tmp
else:
#encountered invalid string
return None
return deplist
def cpv_getkey(mycpv):
myslash=mycpv.split("/")
mysplit=pkgsplit(myslash[-1])
mylen=len(myslash)
if mylen==2:
return myslash[0]+"/"+mysplit[0]
elif mylen==1:
return mysplit[0]
else:
return mysplit
def key_expand(mykey, mydb=None, use_cache=1, settings=None):
mysplit=mykey.split("/")
if settings is None:
settings = globals()["settings"]
virts = settings.getvirtuals("/")
virts_p = settings.get_virts_p("/")
if len(mysplit)==1:
if mydb and type(mydb)==types.InstanceType:
for x in settings.categories:
if mydb.cp_list(x+"/"+mykey,use_cache=use_cache):
return x+"/"+mykey
if virts_p.has_key(mykey):
return(virts_p[mykey][0])
return "null/"+mykey
elif mydb:
if type(mydb)==types.InstanceType:
if (not mydb.cp_list(mykey,use_cache=use_cache)) and virts and virts.has_key(mykey):
return virts[mykey][0]
return mykey
def cpv_expand(mycpv, mydb=None, use_cache=1, settings=None):
"""Given a string (packagename or virtual) expand it into a valid
cat/package string. Virtuals use the mydb to determine which provided
virtual is a valid choice and defaults to the first element when there
are no installed/available candidates."""
myslash=mycpv.split("/")
mysplit=pkgsplit(myslash[-1])
if settings is None:
settings = globals()["settings"]
virts = settings.getvirtuals("/")
virts_p = settings.get_virts_p("/")
if len(myslash)>2:
# this is illegal case.
mysplit=[]
mykey=mycpv
elif len(myslash)==2:
if mysplit:
mykey=myslash[0]+"/"+mysplit[0]
else:
mykey=mycpv
if mydb and virts and mykey in virts:
writemsg("mydb.__class__: %s\n" % (mydb.__class__), 1)
if hasattr(mydb, "cp_list"):
if not mydb.cp_list(mykey, use_cache=use_cache):
writemsg("virts[%s]: %s\n" % (str(mykey),virts[mykey]), 1)
mykey_orig = mykey[:]
for vkey in virts[mykey]:
if mydb.cp_list(vkey,use_cache=use_cache):
mykey = vkey
writemsg("virts chosen: %s\n" % (mykey), 1)
break
if mykey == mykey_orig:
mykey=virts[mykey][0]
writemsg("virts defaulted: %s\n" % (mykey), 1)
#we only perform virtual expansion if we are passed a dbapi
else:
#specific cpv, no category, ie. "foo-1.0"
if mysplit:
myp=mysplit[0]
else:
# "foo" ?
myp=mycpv
mykey=None
matches=[]
if mydb:
for x in settings.categories:
if mydb.cp_list(x+"/"+myp,use_cache=use_cache):
matches.append(x+"/"+myp)
if len(matches) > 1:
virtual_name_collision = False
if len(matches) == 2:
for x in matches:
if not x.startswith("virtual/"):
# Assume that the non-virtual is desired. This helps
# avoid the ValueError for invalid deps that come from
# installed packages (during reverse blocker detection,
# for example).
mykey = x
else:
virtual_name_collision = True
if not virtual_name_collision:
raise ValueError, matches
elif matches:
mykey=matches[0]
if not mykey and type(mydb)!=types.ListType:
if virts_p.has_key(myp):
mykey=virts_p[myp][0]
#again, we only perform virtual expansion if we have a dbapi (not a list)
if not mykey:
mykey="null/"+myp
if mysplit:
if mysplit[2]=="r0":
return mykey+"-"+mysplit[1]
else:
return mykey+"-"+mysplit[1]+"-"+mysplit[2]
else:
return mykey
def getmaskingreason(mycpv, settings=None, portdb=None):
from portage_util import grablines
if settings is None:
settings = globals()["settings"]
if portdb is None:
portdb = globals()["portdb"]
mysplit = catpkgsplit(mycpv)
if not mysplit:
raise ValueError("invalid CPV: %s" % mycpv)
if not portdb.cpv_exists(mycpv):
raise KeyError("CPV %s does not exist" % mycpv)
mycp=mysplit[0]+"/"+mysplit[1]
# XXX- This is a temporary duplicate of code from the config constructor.
locations = [os.path.join(settings["PORTDIR"], "profiles")]
locations.extend(settings.profiles)
for ov in settings["PORTDIR_OVERLAY"].split():
profdir = os.path.join(normalize_path(ov), "profiles")
if os.path.isdir(profdir):
locations.append(profdir)
locations.append(os.path.join(settings["PORTAGE_CONFIGROOT"],
USER_CONFIG_PATH.lstrip(os.path.sep)))
locations.reverse()
pmasklists = [grablines(os.path.join(x, "package.mask"), recursive=1) for x in locations]
pmasklines = []
while pmasklists: # stack_lists doesn't preserve order so it can't be used
pmasklines.extend(pmasklists.pop(0))
del pmasklists
if settings.pmaskdict.has_key(mycp):
for x in settings.pmaskdict[mycp]:
if mycpv in portdb.xmatch("match-all", x):
comment = ""
l = "\n"
comment_valid = -1
for i in xrange(len(pmasklines)):
l = pmasklines[i].strip()
if l == "":
comment = ""
comment_valid = -1
elif l[0] == "#":
comment += (l+"\n")
comment_valid = i + 1
elif l == x:
if comment_valid != i:
comment = ""
return comment
elif comment_valid != -1:
# Apparently this comment applies to muliple masks, so
# it remains valid until a blank line is encountered.
comment_valid += 1
return None
def getmaskingstatus(mycpv, settings=None, portdb=None):
if settings is None:
settings = globals()["settings"]
if portdb is None:
portdb = globals()["portdb"]
mysplit = catpkgsplit(mycpv)
if not mysplit:
raise ValueError("invalid CPV: %s" % mycpv)
if not portdb.cpv_exists(mycpv):
raise KeyError("CPV %s does not exist" % mycpv)
mycp=mysplit[0]+"/"+mysplit[1]
rValue = []
# profile checking
revmaskdict=settings.prevmaskdict
if revmaskdict.has_key(mycp):
for x in revmaskdict[mycp]:
if x[0]=="*":
myatom = x[1:]
else:
myatom = x
if not match_to_list(mycpv, [myatom]):
rValue.append("profile")
break
# package.mask checking
maskdict=settings.pmaskdict
unmaskdict=settings.punmaskdict
if maskdict.has_key(mycp):
for x in maskdict[mycp]:
if mycpv in portdb.xmatch("match-all", x):
unmask=0
if unmaskdict.has_key(mycp):
for z in unmaskdict[mycp]:
if mycpv in portdb.xmatch("match-all",z):
unmask=1
break
if unmask==0:
rValue.append("package.mask")
# keywords checking
try:
mygroups, eapi = portdb.aux_get(mycpv, ["KEYWORDS", "EAPI"])
except KeyError:
# The "depend" phase apparently failed for some reason. An associated
# error message will have already been printed to stderr.
return ["corruption"]
if not eapi_is_supported(eapi):
return ["required EAPI %s, supported EAPI %s" % (eapi, portage_const.EAPI)]
mygroups = mygroups.split()
pgroups = settings["ACCEPT_KEYWORDS"].split()
myarch = settings["ARCH"]
if pgroups and myarch not in pgroups:
"""For operating systems other than Linux, ARCH is not necessarily a
valid keyword."""
myarch = pgroups[0].lstrip("~")
pkgdict = settings.pkeywordsdict
cp = dep_getkey(mycpv)
if pkgdict.has_key(cp):
matches = match_to_list(mycpv, pkgdict[cp].keys())
for match in matches:
pgroups.extend(pkgdict[cp][match])
if matches:
inc_pgroups = []
for x in pgroups:
if x != "-*" and x.startswith("-"):
try:
inc_pgroups.remove(x[1:])
except ValueError:
pass
if x not in inc_pgroups:
inc_pgroups.append(x)
pgroups = inc_pgroups
del inc_pgroups
kmask = "missing"
for keyword in pgroups:
if keyword in mygroups:
kmask=None
if kmask:
fallback = None
for gp in mygroups:
if gp=="*":
kmask=None
break
elif gp=="-"+myarch:
kmask="-"+myarch
break
elif gp=="~"+myarch:
kmask="~"+myarch
break
if kmask:
rValue.append(kmask+" keyword")
return rValue
class portagetree:
def __init__(self, root="/", virtual=None, clone=None, settings=None):
if clone:
writemsg("portagetree.__init__(): deprecated " + \
"use of clone parameter\n", noiselevel=-1)
self.root=clone.root
self.portroot=clone.portroot
self.pkglines=clone.pkglines
else:
self.root=root
if settings is None:
settings = globals()["settings"]
self.settings = settings
self.portroot=settings["PORTDIR"]
self.virtual=virtual
self.dbapi = portdbapi(
settings["PORTDIR"], mysettings=settings)
def dep_bestmatch(self,mydep):
"compatibility method"
mymatch=self.dbapi.xmatch("bestmatch-visible",mydep)
if mymatch is None:
return ""
return mymatch
def dep_match(self,mydep):
"compatibility method"
mymatch=self.dbapi.xmatch("match-visible",mydep)
if mymatch is None:
return []
return mymatch
def exists_specific(self,cpv):
return self.dbapi.cpv_exists(cpv)
def getallnodes(self):
"""new behavior: these are all *unmasked* nodes. There may or may not be available
masked package for nodes in this nodes list."""
return self.dbapi.cp_all()
def getname(self,pkgname):
"returns file location for this particular package (DEPRECATED)"
if not pkgname:
return ""
mysplit=pkgname.split("/")
psplit=pkgsplit(mysplit[1])
return self.portroot+"/"+mysplit[0]+"/"+psplit[0]+"/"+mysplit[1]+".ebuild"
def resolve_specific(self,myspec):
cps=catpkgsplit(myspec)
if not cps:
return None
mykey = key_expand(cps[0]+"/"+cps[1], mydb=self.dbapi,
settings=self.settings)
mykey=mykey+"-"+cps[2]
if cps[3]!="r0":
mykey=mykey+"-"+cps[3]
return mykey
def depcheck(self,mycheck,use="yes",myusesplit=None):
return dep_check(mycheck,self.dbapi,use=use,myuse=myusesplit)
def getslot(self,mycatpkg):
"Get a slot for a catpkg; assume it exists."
myslot = ""
try:
myslot=self.dbapi.aux_get(mycatpkg,["SLOT"])[0]
except SystemExit, e:
raise
except Exception, e:
pass
return myslot
class dbapi:
def __init__(self):
pass
def close_caches(self):
pass
def cp_list(self,cp,use_cache=1):
return
def cpv_all(self):
cpv_list = []
for cp in self.cp_all():
cpv_list.extend(self.cp_list(cp))
return cpv_list
def aux_get(self,mycpv,mylist):
"stub code for returning auxiliary db information, such as SLOT, DEPEND, etc."
'input: "sys-apps/foo-1.0",["SLOT","DEPEND","HOMEPAGE"]'
'return: ["0",">=sys-libs/bar-1.0","http://www.foo.com"] or [] if mycpv not found'
raise NotImplementedError
def match(self,origdep,use_cache=1):
mydep = dep_expand(origdep, mydb=self, settings=self.settings)
mykey=dep_getkey(mydep)
mylist = match_from_list(mydep,self.cp_list(mykey,use_cache=use_cache))
myslot = portage_dep.dep_getslot(mydep)
if myslot is not None:
mylist = [cpv for cpv in mylist \
if self.aux_get(cpv, ["SLOT"])[0] == myslot]
return mylist
def match2(self,mydep,mykey,mylist):
writemsg("DEPRECATED: dbapi.match2\n")
match_from_list(mydep,mylist)
def invalidentry(self, mypath):
if re.search("portage_lockfile$",mypath):
if not os.environ.has_key("PORTAGE_MASTER_PID"):
writemsg("Lockfile removed: %s\n" % mypath, 1)
portage_locks.unlockfile((mypath,None,None))
else:
# Nothing we can do about it. We're probably sandboxed.
pass
elif re.search(".*/-MERGING-(.*)",mypath):
if os.path.exists(mypath):
writemsg(red("INCOMPLETE MERGE:")+" "+mypath+"\n", noiselevel=-1)
else:
writemsg("!!! Invalid db entry: %s\n" % mypath, noiselevel=-1)
def update_ents(self, updates, onProgress=None):
"""
Update metadata of all packages for packages moves.
@param updates: A list of move commands
@type updates: List
@param onProgress: A progress callback function
@type onProgress: a callable that takes 2 integer arguments: maxval and curval
"""
cpv_all = self.cpv_all()
cpv_all.sort()
maxval = len(cpv_all)
aux_get = self.aux_get
aux_update = self.aux_update
update_keys = ["DEPEND", "RDEPEND", "PDEPEND", "PROVIDE"]
if onProgress:
onProgress(maxval, 0)
for i, cpv in enumerate(cpv_all):
metadata = dict(izip(update_keys, aux_get(cpv, update_keys)))
metadata_updates = update_dbentries(updates, metadata)
if metadata_updates:
aux_update(cpv, metadata_updates)
if onProgress:
onProgress(maxval, i+1)
def move_slot_ent(self, mylist):
pkg = mylist[1]
origslot = mylist[2]
newslot = mylist[3]
origmatches = self.match(pkg)
moves = 0
if not origmatches:
return moves
for mycpv in origmatches:
slot = self.aux_get(mycpv, ["SLOT"])[0]
if slot != origslot:
continue
moves += 1
mydata = {"SLOT": newslot+"\n"}
self.aux_update(mycpv, mydata)
return moves
class fakedbapi(dbapi):
"This is a dbapi to use for the emptytree function. It's empty, but things can be added to it."
def __init__(self, settings=None):
self.cpvdict={}
self.cpdict={}
if settings is None:
settings = globals()["settings"]
self.settings = settings
self._match_cache = {}
def _clear_cache(self):
if self._match_cache:
self._match_cache = {}
def match(self, origdep, use_cache=1):
result = self._match_cache.get(origdep, None)
if result is not None:
return result[:]
result = dbapi.match(self, origdep, use_cache=use_cache)
self._match_cache[origdep] = result
return result[:]
def cpv_exists(self,mycpv):
return self.cpvdict.has_key(mycpv)
def cp_list(self,mycp,use_cache=1):
if not self.cpdict.has_key(mycp):
return []
else:
return self.cpdict[mycp]
def cp_all(self):
returnme=[]
for x in self.cpdict.keys():
returnme.extend(self.cpdict[x])
return returnme
def cpv_all(self):
return self.cpvdict.keys()
def cpv_inject(self, mycpv, metadata=None):
"""Adds a cpv from the list of available packages."""
self._clear_cache()
mycp=cpv_getkey(mycpv)
self.cpvdict[mycpv] = metadata
myslot = None
if metadata:
myslot = metadata.get("SLOT", None)
if myslot and mycp in self.cpdict:
# If necessary, remove another package in the same SLOT.
for cpv in self.cpdict[mycp]:
if mycpv != cpv:
other_metadata = self.cpvdict[cpv]
if other_metadata:
if myslot == other_metadata.get("SLOT", None):
self.cpv_remove(cpv)
break
if mycp not in self.cpdict:
self.cpdict[mycp] = []
if not mycpv in self.cpdict[mycp]:
self.cpdict[mycp].append(mycpv)
def cpv_remove(self,mycpv):
"""Removes a cpv from the list of available packages."""
self._clear_cache()
mycp=cpv_getkey(mycpv)
if self.cpvdict.has_key(mycpv):
del self.cpvdict[mycpv]
if not self.cpdict.has_key(mycp):
return
while mycpv in self.cpdict[mycp]:
del self.cpdict[mycp][self.cpdict[mycp].index(mycpv)]
if not len(self.cpdict[mycp]):
del self.cpdict[mycp]
def aux_get(self, mycpv, wants):
if not self.cpv_exists(mycpv):
raise KeyError(mycpv)
metadata = self.cpvdict[mycpv]
if not metadata:
return ["" for x in wants]
return [metadata.get(x, "") for x in wants]
def aux_update(self, cpv, values):
self._clear_cache()
self.cpvdict[cpv].update(values)
class bindbapi(fakedbapi):
def __init__(self, mybintree=None, settings=None):
self.bintree = mybintree
self.move_ent = mybintree.move_ent
self.cpvdict={}
self.cpdict={}
if settings is None:
settings = globals()["settings"]
self.settings = settings
self._match_cache = {}
# Selectively cache metadata in order to optimize dep matching.
self._aux_cache_keys = set(["SLOT"])
self._aux_cache = {}
def match(self, *pargs, **kwargs):
if self.bintree and not self.bintree.populated:
self.bintree.populate()
return fakedbapi.match(self, *pargs, **kwargs)
def aux_get(self,mycpv,wants):
if self.bintree and not self.bintree.populated:
self.bintree.populate()
cache_me = False
if not set(wants).difference(self._aux_cache_keys):
aux_cache = self._aux_cache.get(mycpv)
if aux_cache is not None:
return [aux_cache[x] for x in wants]
cache_me = True
mysplit = mycpv.split("/")
mylist = []
tbz2name = mysplit[1]+".tbz2"
if not self.bintree.remotepkgs or \
not self.bintree.isremote(mycpv):
tbz2_path = self.bintree.getname(mycpv)
if not os.path.exists(tbz2_path):
raise KeyError(mycpv)
getitem = xpak.tbz2(tbz2_path).getfile
else:
getitem = self.bintree.remotepkgs[tbz2name].get
mydata = {}
mykeys = wants
if cache_me:
mykeys = self._aux_cache_keys.union(wants)
for x in mykeys:
myval = getitem(x)
# myval is None if the key doesn't exist
# or the tbz2 is corrupt.
if myval:
mydata[x] = " ".join(myval.split())
if "EAPI" in mykeys:
if not mydata.setdefault("EAPI", "0"):
mydata["EAPI"] = "0"
if cache_me:
aux_cache = {}
for x in self._aux_cache_keys:
aux_cache[x] = mydata.get(x, "")
self._aux_cache[mycpv] = aux_cache
return [mydata.get(x, "") for x in wants]
def aux_update(self, cpv, values):
if not self.bintree.populated:
self.bintree.populate()
tbz2path = self.bintree.getname(cpv)
if not os.path.exists(tbz2path):
raise KeyError(cpv)
mytbz2 = xpak.tbz2(tbz2path)
mydata = mytbz2.get_data()
mydata.update(values)
mytbz2.recompose_mem(xpak.xpak_mem(mydata))
def cp_list(self, *pargs, **kwargs):
if not self.bintree.populated:
self.bintree.populate()
return fakedbapi.cp_list(self, *pargs, **kwargs)
def cp_all(self):
if not self.bintree.populated:
self.bintree.populate()
return fakedbapi.cp_all(self)
def cpv_all(self):
if not self.bintree.populated:
self.bintree.populate()
return fakedbapi.cpv_all(self)
class vardbapi(dbapi):
def __init__(self, root, categories=None, settings=None, vartree=None):
self.root = root[:]
#cache for category directory mtimes
self.mtdircache = {}
#cache for dependency checks
self.matchcache = {}
#cache for cp_list results
self.cpcache = {}
self.blockers = None
if settings is None:
settings = globals()["settings"]
self.settings = settings
if categories is None:
categories = settings.categories
self.categories = categories[:]
if vartree is None:
vartree = globals()["db"][root]["vartree"]
self.vartree = vartree
self._aux_cache_keys = set(["SLOT", "COUNTER", "PROVIDE", "USE",
"IUSE", "DEPEND", "RDEPEND", "PDEPEND"])
self._aux_cache = None
self._aux_cache_version = "1"
self._aux_cache_filename = os.path.join(self.root,
CACHE_PATH.lstrip(os.path.sep), "vdb_metadata.pickle")
def cpv_exists(self,mykey):
"Tells us whether an actual ebuild exists on disk (no masking)"
return os.path.exists(self.root+VDB_PATH+"/"+mykey)
def cpv_counter(self,mycpv):
"This method will grab the COUNTER. Returns a counter value."
try:
return long(self.aux_get(mycpv, ["COUNTER"])[0])
except (KeyError, ValueError):
pass
cdir=self.root+VDB_PATH+"/"+mycpv
cpath=self.root+VDB_PATH+"/"+mycpv+"/COUNTER"
# We write our new counter value to a new file that gets moved into
# place to avoid filesystem corruption on XFS (unexpected reboot.)
corrupted=0
if os.path.exists(cpath):
cfile=open(cpath, "r")
try:
counter=long(cfile.readline())
except ValueError:
print "portage: COUNTER for",mycpv,"was corrupted; resetting to value of 0"
counter=long(0)
corrupted=1
cfile.close()
elif os.path.exists(cdir):
mys = pkgsplit(mycpv)
myl = self.match(mys[0],use_cache=0)
print mys,myl
if len(myl) == 1:
try:
# Only one package... Counter doesn't matter.
write_atomic(cpath, "1")
counter = 1
except SystemExit, e:
raise
except Exception, e:
writemsg("!!! COUNTER file is missing for "+str(mycpv)+" in /var/db.\n",
noiselevel=-1)
writemsg("!!! Please run %s/fix-db.py or\n" % PORTAGE_BIN_PATH,
noiselevel=-1)
writemsg("!!! unmerge this exact version.\n", noiselevel=-1)
writemsg("!!! %s\n" % e, noiselevel=-1)
sys.exit(1)
else:
writemsg("!!! COUNTER file is missing for "+str(mycpv)+" in /var/db.\n",
noiselevel=-1)
writemsg("!!! Please run %s/fix-db.py or\n" % PORTAGE_BIN_PATH,
noiselevel=-1)
writemsg("!!! remerge the package.\n", noiselevel=-1)
sys.exit(1)
else:
counter=long(0)
if corrupted:
# update new global counter file
write_atomic(cpath, str(counter))
return counter
def cpv_inject(self,mycpv):
"injects a real package into our on-disk database; assumes mycpv is valid and doesn't already exist"
os.makedirs(self.root+VDB_PATH+"/"+mycpv)
counter = self.counter_tick(self.root, mycpv=mycpv)
# write local package counter so that emerge clean does the right thing
write_atomic(os.path.join(self.root, VDB_PATH, mycpv, "COUNTER"), str(counter))
def isInjected(self,mycpv):
if self.cpv_exists(mycpv):
if os.path.exists(self.root+VDB_PATH+"/"+mycpv+"/INJECTED"):
return True
if not os.path.exists(self.root+VDB_PATH+"/"+mycpv+"/CONTENTS"):
return True
return False
def move_ent(self,mylist):
origcp=mylist[1]
newcp=mylist[2]
# sanity check
for cp in [origcp,newcp]:
if not (isvalidatom(cp) and isjustname(cp)):
raise portage_exception.InvalidPackageName(cp)
origmatches=self.match(origcp,use_cache=0)
moves = 0
if not origmatches:
return moves
for mycpv in origmatches:
mycpsplit=catpkgsplit(mycpv)
mynewcpv=newcp+"-"+mycpsplit[2]
mynewcat=newcp.split("/")[0]
if mycpsplit[3]!="r0":
mynewcpv += "-"+mycpsplit[3]
mycpsplit_new = catpkgsplit(mynewcpv)
origpath=self.root+VDB_PATH+"/"+mycpv
if not os.path.exists(origpath):
continue
moves += 1
if not os.path.exists(self.root+VDB_PATH+"/"+mynewcat):
#create the directory
os.makedirs(self.root+VDB_PATH+"/"+mynewcat)
newpath=self.root+VDB_PATH+"/"+mynewcpv
if os.path.exists(newpath):
#dest already exists; keep this puppy where it is.
continue
os.rename(origpath, newpath)
# We need to rename the ebuild now.
old_pf = catsplit(mycpv)[1]
new_pf = catsplit(mynewcpv)[1]
if new_pf != old_pf:
try:
os.rename(os.path.join(newpath, old_pf + ".ebuild"),
os.path.join(newpath, new_pf + ".ebuild"))
except OSError, e:
if e.errno != errno.ENOENT:
raise
del e
write_atomic(os.path.join(newpath, "PF"), new_pf+"\n")
write_atomic(os.path.join(newpath, "CATEGORY"), mynewcat+"\n")
fixdbentries([mylist], newpath)
return moves
def cp_list(self,mycp,use_cache=1):
mysplit=mycp.split("/")
if mysplit[0] == '*':
mysplit[0] = mysplit[0][1:]
try:
mystat=os.stat(self.root+VDB_PATH+"/"+mysplit[0])[stat.ST_MTIME]
except OSError:
mystat=0
if use_cache and self.cpcache.has_key(mycp):
cpc=self.cpcache[mycp]
if cpc[0]==mystat:
return cpc[1]
list=listdir(self.root+VDB_PATH+"/"+mysplit[0],EmptyOnError=1)
if (list is None):
return []
returnme=[]
for x in list:
if x.startswith("."):
continue
if x[0] == '-':
#writemsg(red("INCOMPLETE MERGE:")+str(x[len("-MERGING-"):])+"\n")
continue
ps=pkgsplit(x)
if not ps:
self.invalidentry(self.root+VDB_PATH+"/"+mysplit[0]+"/"+x)
continue
if len(mysplit) > 1:
if ps[0]==mysplit[1]:
returnme.append(mysplit[0]+"/"+x)
if use_cache:
self.cpcache[mycp]=[mystat,returnme]
elif self.cpcache.has_key(mycp):
del self.cpcache[mycp]
return returnme
def cpv_all(self,use_cache=1):
returnme=[]
basepath = self.root+VDB_PATH+"/"
for x in self.categories:
for y in listdir(basepath+x,EmptyOnError=1):
if y.startswith("."):
continue
subpath = x+"/"+y
# -MERGING- should never be a cpv, nor should files.
if os.path.isdir(basepath+subpath) and (pkgsplit(y) is not None):
returnme += [subpath]
return returnme
def cp_all(self,use_cache=1):
mylist = self.cpv_all(use_cache=use_cache)
d={}
for y in mylist:
if y[0] == '*':
y = y[1:]
mysplit=catpkgsplit(y)
if not mysplit:
self.invalidentry(self.root+VDB_PATH+"/"+y)
continue
d[mysplit[0]+"/"+mysplit[1]] = None
return d.keys()
def checkblockers(self,origdep):
pass
def match(self,origdep,use_cache=1):
"caching match function"
mydep = dep_expand(
origdep, mydb=self, use_cache=use_cache, settings=self.settings)
mykey=dep_getkey(mydep)
mycat=mykey.split("/")[0]
if not use_cache:
if self.matchcache.has_key(mycat):
del self.mtdircache[mycat]
del self.matchcache[mycat]
mymatch = match_from_list(mydep,
self.cp_list(mykey, use_cache=use_cache))
myslot = portage_dep.dep_getslot(mydep)
if myslot is not None:
mymatch = [cpv for cpv in mymatch \
if self.aux_get(cpv, ["SLOT"])[0] == myslot]
return mymatch
try:
curmtime=os.stat(self.root+VDB_PATH+"/"+mycat)[stat.ST_MTIME]
except (IOError, OSError):
curmtime=0
if not self.matchcache.has_key(mycat) or not self.mtdircache[mycat]==curmtime:
# clear cache entry
self.mtdircache[mycat]=curmtime
self.matchcache[mycat]={}
if not self.matchcache[mycat].has_key(mydep):
mymatch=match_from_list(mydep,self.cp_list(mykey,use_cache=use_cache))
myslot = portage_dep.dep_getslot(mydep)
if myslot is not None:
mymatch = [cpv for cpv in mymatch \
if self.aux_get(cpv, ["SLOT"])[0] == myslot]
self.matchcache[mycat][mydep]=mymatch
return self.matchcache[mycat][mydep][:]
def findname(self, mycpv):
return self.root+VDB_PATH+"/"+str(mycpv)+"/"+mycpv.split("/")[1]+".ebuild"
def flush_cache(self):
"""If the current user has permission and the internal aux_get cache has
been updated, save it to disk and mark it unmodified. This is called
by emerge after it has loaded the full vdb for use in dependency
calculations. Currently, the cache is only written if the user has
superuser privileges (since that's required to obtain a lock), but all
users have read access and benefit from faster metadata lookups (as
long as at least part of the cache is still valid)."""
if self._aux_cache is not None and \
self._aux_cache["modified"] and \
secpass >= 2:
valid_nodes = set(self.cpv_all())
for cpv in self._aux_cache["packages"].keys():
if cpv not in valid_nodes:
del self._aux_cache["packages"][cpv]
del self._aux_cache["modified"]
try:
f = atomic_ofstream(self._aux_cache_filename)
cPickle.dump(self._aux_cache, f, -1)
f.close()
portage_util.apply_secpass_permissions(
self._aux_cache_filename, gid=portage_gid, mode=0644)
except (IOError, OSError), e:
pass
self._aux_cache["modified"] = False
def aux_get(self, mycpv, wants):
"""This automatically caches selected keys that are frequently needed
by emerge for dependency calculations. The cached metadata is
considered valid if the mtime of the package directory has not changed
since the data was cached. The cache is stored in a pickled dict
object with the following format:
{version:"1", "packages":{cpv1:(mtime,{k1,v1, k2,v2, ...}), cpv2...}}
If an error occurs while loading the cache pickle or the version is
unrecognized, the cache will simple be recreated from scratch (it is
completely disposable).
"""
if not self._aux_cache_keys.intersection(wants):
return self._aux_get(mycpv, wants)
if self._aux_cache is None:
try:
f = open(self._aux_cache_filename)
mypickle = cPickle.Unpickler(f)
mypickle.find_global = None
self._aux_cache = mypickle.load()
f.close()
del f
except (IOError, OSError, EOFError, cPickle.UnpicklingError):
pass
if not self._aux_cache or \
not isinstance(self._aux_cache, dict) or \
self._aux_cache.get("version") != self._aux_cache_version or \
not self._aux_cache.get("packages"):
self._aux_cache = {"version":self._aux_cache_version}
self._aux_cache["packages"] = {}
self._aux_cache["modified"] = False
mydir = os.path.join(self.root, VDB_PATH, mycpv)
mydir_stat = None
try:
mydir_stat = os.stat(mydir)
except OSError, e:
if e.errno != errno.ENOENT:
raise
raise KeyError(mycpv)
mydir_mtime = long(mydir_stat.st_mtime)
pkg_data = self._aux_cache["packages"].get(mycpv)
mydata = {}
cache_valid = False
if pkg_data:
cache_mtime, metadata = pkg_data
cache_valid = cache_mtime == mydir_mtime
if cache_valid:
cache_incomplete = self._aux_cache_keys.difference(metadata)
if cache_incomplete:
# Allow self._aux_cache_keys to change without a cache version
# bump and efficiently recycle partial cache whenever possible.
cache_valid = False
pull_me = cache_incomplete.union(wants)
else:
pull_me = set(wants).difference(self._aux_cache_keys)
mydata.update(metadata)
else:
pull_me = self._aux_cache_keys.union(wants)
if pull_me:
# pull any needed data and cache it
aux_keys = list(pull_me)
for k, v in izip(aux_keys, self._aux_get(mycpv, aux_keys)):
mydata[k] = v
if not cache_valid:
cache_data = {}
for aux_key in self._aux_cache_keys:
cache_data[aux_key] = mydata[aux_key]
self._aux_cache["packages"][mycpv] = (mydir_mtime, cache_data)
self._aux_cache["modified"] = True
return [mydata[x] for x in wants]
def _aux_get(self, mycpv, wants):
mydir = os.path.join(self.root, VDB_PATH, mycpv)
try:
if not stat.S_ISDIR(os.stat(mydir).st_mode):
raise KeyError(mycpv)
except OSError, e:
if e.errno == errno.ENOENT:
raise KeyError(mycpv)
del e
raise
results = []
for x in wants:
try:
myf = open(os.path.join(mydir, x), "r")
try:
myd = myf.read()
finally:
myf.close()
myd = " ".join(myd.split())
except IOError:
myd = ""
if x == "EAPI" and not myd:
results.append("0")
else:
results.append(myd)
return results
def aux_update(self, cpv, values):
cat, pkg = cpv.split("/")
mylink = dblink(cat, pkg, self.root, self.settings,
treetype="vartree", vartree=self.vartree)
if not mylink.exists():
raise KeyError(cpv)
for k, v in values.iteritems():
mylink.setfile(k, v)
def counter_tick(self,myroot,mycpv=None):
return self.counter_tick_core(myroot,incrementing=1,mycpv=mycpv)
def get_counter_tick_core(self,myroot,mycpv=None):
return self.counter_tick_core(myroot,incrementing=0,mycpv=mycpv)+1
def counter_tick_core(self,myroot,incrementing=1,mycpv=None):
"This method will grab the next COUNTER value and record it back to the global file. Returns new counter value."
cpath=myroot+"var/cache/edb/counter"
changed=0
min_counter = 0
if mycpv:
mysplit = pkgsplit(mycpv)
for x in self.match(mysplit[0],use_cache=0):
if x==mycpv:
continue
try:
old_counter = long(self.aux_get(x,["COUNTER"])[0])
writemsg("COUNTER '%d' '%s'\n" % (old_counter, x),1)
except (ValueError, KeyError): # valueError from long(), KeyError from aux_get
old_counter = 0
writemsg("!!! BAD COUNTER in '%s'\n" % (x), noiselevel=-1)
if old_counter > min_counter:
min_counter = old_counter
# We write our new counter value to a new file that gets moved into
# place to avoid filesystem corruption.
find_counter = ("find '%s' -type f -name COUNTER | " + \
"while read f; do echo $(<\"${f}\"); done | " + \
"sort -n | tail -n1") % os.path.join(self.root, VDB_PATH)
if os.path.exists(cpath):
cfile=open(cpath, "r")
try:
counter=long(cfile.readline())
except (ValueError,OverflowError):
try:
counter = long(commands.getoutput(find_counter).strip())
writemsg("!!! COUNTER was corrupted; resetting to value of %d\n" % counter,
noiselevel=-1)
changed=1
except (ValueError,OverflowError):
writemsg("!!! COUNTER data is corrupt in pkg db. The values need to be\n",
noiselevel=-1)
writemsg("!!! corrected/normalized so that portage can operate properly.\n",
noiselevel=-1)
writemsg("!!! A simple solution is not yet available so try #gentoo on IRC.\n")
sys.exit(2)
cfile.close()
else:
try:
counter = long(commands.getoutput(find_counter).strip())
writemsg("!!! Global counter missing. Regenerated from counter files to: %s\n" % counter,
noiselevel=-1)
except ValueError: # Value Error for long(), probably others for commands.getoutput
writemsg("!!! Initializing global counter.\n", noiselevel=-1)
counter=long(0)
changed=1
if counter < min_counter:
counter = min_counter+1000
changed = 1
if incrementing or changed:
#increment counter
counter += 1
# update new global counter file
write_atomic(cpath, str(counter))
return counter
class vartree(object):
"this tree will scan a var/db/pkg database located at root (passed to init)"
def __init__(self, root="/", virtual=None, clone=None, categories=None,
settings=None):
if clone:
writemsg("vartree.__init__(): deprecated " + \
"use of clone parameter\n", noiselevel=-1)
self.root = clone.root[:]
self.dbapi = copy.deepcopy(clone.dbapi)
self.populated = 1
self.settings = config(clone=clone.settings)
else:
self.root = root[:]
if settings is None:
settings = globals()["settings"]
self.settings = settings # for key_expand calls
if categories is None:
categories = settings.categories
self.dbapi = vardbapi(self.root, categories=categories,
settings=settings, vartree=self)
self.populated = 1
def zap(self,mycpv):
return
def inject(self,mycpv):
return
def get_provide(self,mycpv):
myprovides=[]
mylines = None
try:
mylines, myuse = self.dbapi.aux_get(mycpv, ["PROVIDE","USE"])
if mylines:
myuse = myuse.split()
mylines = flatten(portage_dep.use_reduce(portage_dep.paren_reduce(mylines), uselist=myuse))
for myprovide in mylines:
mys = catpkgsplit(myprovide)
if not mys:
mys = myprovide.split("/")
myprovides += [mys[0] + "/" + mys[1]]
return myprovides
except SystemExit, e:
raise
except Exception, e:
mydir = os.path.join(self.root, VDB_PATH, mycpv)
writemsg("\nParse Error reading PROVIDE and USE in '%s'\n" % mydir,
noiselevel=-1)
if mylines:
writemsg("Possibly Invalid: '%s'\n" % str(mylines),
noiselevel=-1)
writemsg("Exception: %s\n\n" % str(e), noiselevel=-1)
return []
def get_all_provides(self):
myprovides = {}
for node in self.getallcpv():
for mykey in self.get_provide(node):
if myprovides.has_key(mykey):
myprovides[mykey] += [node]
else:
myprovides[mykey] = [node]
return myprovides
def dep_bestmatch(self,mydep,use_cache=1):
"compatibility method -- all matches, not just visible ones"
#mymatch=best(match(dep_expand(mydep,self.dbapi),self.dbapi))
mymatch = best(self.dbapi.match(
dep_expand(mydep, mydb=self.dbapi, settings=self.settings),
use_cache=use_cache))
if mymatch is None:
return ""
else:
return mymatch
def dep_match(self,mydep,use_cache=1):
"compatibility method -- we want to see all matches, not just visible ones"
#mymatch=match(mydep,self.dbapi)
mymatch=self.dbapi.match(mydep,use_cache=use_cache)
if mymatch is None:
return []
else:
return mymatch
def exists_specific(self,cpv):
return self.dbapi.cpv_exists(cpv)
def getallcpv(self):
"""temporary function, probably to be renamed --- Gets a list of all
category/package-versions installed on the system."""
return self.dbapi.cpv_all()
def getallnodes(self):
"""new behavior: these are all *unmasked* nodes. There may or may not be available
masked package for nodes in this nodes list."""
return self.dbapi.cp_all()
def exists_specific_cat(self,cpv,use_cache=1):
cpv = key_expand(cpv, mydb=self.dbapi, use_cache=use_cache,
settings=self.settings)
a=catpkgsplit(cpv)
if not a:
return 0
mylist=listdir(self.root+VDB_PATH+"/"+a[0],EmptyOnError=1)
for x in mylist:
b=pkgsplit(x)
if not b:
self.dbapi.invalidentry(self.root+VDB_PATH+"/"+a[0]+"/"+x)
continue
if a[1]==b[0]:
return 1
return 0
def getebuildpath(self,fullpackage):
cat,package=fullpackage.split("/")
return self.root+VDB_PATH+"/"+fullpackage+"/"+package+".ebuild"
def getnode(self,mykey,use_cache=1):
mykey = key_expand(mykey, mydb=self.dbapi, use_cache=use_cache,
settings=self.settings)
if not mykey:
return []
mysplit=mykey.split("/")
mydirlist=listdir(self.root+VDB_PATH+"/"+mysplit[0],EmptyOnError=1)
returnme=[]
for x in mydirlist:
mypsplit=pkgsplit(x)
if not mypsplit:
self.dbapi.invalidentry(self.root+VDB_PATH+"/"+mysplit[0]+"/"+x)
continue
if mypsplit[0]==mysplit[1]:
appendme=[mysplit[0]+"/"+x,[mysplit[0],mypsplit[0],mypsplit[1],mypsplit[2]]]
returnme.append(appendme)
return returnme
def getslot(self,mycatpkg):
"Get a slot for a catpkg; assume it exists."
try:
return self.dbapi.aux_get(mycatpkg, ["SLOT"])[0]
except KeyError:
return ""
def hasnode(self,mykey,use_cache):
"""Does the particular node (cat/pkg key) exist?"""
mykey = key_expand(mykey, mydb=self.dbapi, use_cache=use_cache,
settings=self.settings)
mysplit=mykey.split("/")
mydirlist=listdir(self.root+VDB_PATH+"/"+mysplit[0],EmptyOnError=1)
for x in mydirlist:
mypsplit=pkgsplit(x)
if not mypsplit:
self.dbapi.invalidentry(self.root+VDB_PATH+"/"+mysplit[0]+"/"+x)
continue
if mypsplit[0]==mysplit[1]:
return 1
return 0
def populate(self):
self.populated=1
auxdbkeys=[
'DEPEND', 'RDEPEND', 'SLOT', 'SRC_URI',
'RESTRICT', 'HOMEPAGE', 'LICENSE', 'DESCRIPTION',
'KEYWORDS', 'INHERITED', 'IUSE', 'CDEPEND',
'PDEPEND', 'PROVIDE', 'EAPI',
'UNUSED_01', 'UNUSED_02', 'UNUSED_03', 'UNUSED_04',
'UNUSED_05', 'UNUSED_06', 'UNUSED_07',
]
auxdbkeylen=len(auxdbkeys)
def close_portdbapi_caches():
for i in portdbapi.portdbapi_instances:
i.close_caches()
class portdbapi(dbapi):
"""this tree will scan a portage directory located at root (passed to init)"""
portdbapi_instances = []
def __init__(self,porttree_root,mysettings=None):
portdbapi.portdbapi_instances.append(self)
if mysettings:
self.mysettings = mysettings
else:
global settings
self.mysettings = config(clone=settings)
self._categories = set(self.mysettings.categories)
# This is strictly for use in aux_get() doebuild calls when metadata
# is generated by the depend phase. It's safest to use a clone for
# this purpose because doebuild makes many changes to the config
# instance that is passed in.
self.doebuild_settings = config(clone=self.mysettings)
self.manifestVerifyLevel = None
self.manifestVerifier = None
self.manifestCache = {} # {location: [stat, md5]}
self.manifestMissingCache = []
if "gpg" in self.mysettings.features:
self.manifestVerifyLevel = portage_gpg.EXISTS
if "strict" in self.mysettings.features:
self.manifestVerifyLevel = portage_gpg.MARGINAL
self.manifestVerifier = portage_gpg.FileChecker(self.mysettings["PORTAGE_GPG_DIR"], "gentoo.gpg", minimumTrust=self.manifestVerifyLevel)
elif "severe" in self.mysettings.features:
self.manifestVerifyLevel = portage_gpg.TRUSTED
self.manifestVerifier = portage_gpg.FileChecker(self.mysettings["PORTAGE_GPG_DIR"], "gentoo.gpg", requireSignedRing=True, minimumTrust=self.manifestVerifyLevel)
else:
self.manifestVerifier = portage_gpg.FileChecker(self.mysettings["PORTAGE_GPG_DIR"], "gentoo.gpg", minimumTrust=self.manifestVerifyLevel)
#self.root=settings["PORTDIR"]
self.porttree_root = os.path.realpath(porttree_root)
self.depcachedir = self.mysettings.depcachedir[:]
self.tmpfs = self.mysettings["PORTAGE_TMPFS"]
if self.tmpfs and not os.path.exists(self.tmpfs):
self.tmpfs = None
if self.tmpfs and not os.access(self.tmpfs, os.W_OK):
self.tmpfs = None
if self.tmpfs and not os.access(self.tmpfs, os.R_OK):
self.tmpfs = None
self.eclassdb = eclass_cache.cache(self.porttree_root,
overlays=self.mysettings["PORTDIR_OVERLAY"].split())
self.metadbmodule = self.mysettings.load_best_module("portdbapi.metadbmodule")
#if the portdbapi is "frozen", then we assume that we can cache everything (that no updates to it are happening)
self.xcache={}
self.frozen=0
self.porttrees = [self.porttree_root] + \
[os.path.realpath(t) for t in self.mysettings["PORTDIR_OVERLAY"].split()]
self.auxdbmodule = self.mysettings.load_best_module("portdbapi.auxdbmodule")
self.auxdb = {}
self._init_cache_dirs()
# XXX: REMOVE THIS ONCE UNUSED_0 IS YANKED FROM auxdbkeys
# ~harring
filtered_auxdbkeys = filter(lambda x: not x.startswith("UNUSED_0"), auxdbkeys)
if secpass < 1:
from cache import metadata_overlay, volatile
for x in self.porttrees:
db_ro = self.auxdbmodule(self.depcachedir, x,
filtered_auxdbkeys, gid=portage_gid, readonly=True)
self.auxdb[x] = metadata_overlay.database(
self.depcachedir, x, filtered_auxdbkeys,
gid=portage_gid, db_rw=volatile.database,
db_ro=db_ro)
else:
for x in self.porttrees:
# location, label, auxdbkeys
self.auxdb[x] = self.auxdbmodule(
self.depcachedir, x, filtered_auxdbkeys, gid=portage_gid)
# Selectively cache metadata in order to optimize dep matching.
self._aux_cache_keys = set(["EAPI", "KEYWORDS", "SLOT"])
self._aux_cache = {}
self._broken_ebuilds = set()
def _init_cache_dirs(self):
"""Create /var/cache/edb/dep and adjust permissions for the portage
group."""
dirmode = 02070
filemode = 060
modemask = 02
try:
for mydir in (self.depcachedir,):
if portage_util.ensure_dirs(mydir, gid=portage_gid, mode=dirmode, mask=modemask):
writemsg("Adjusting permissions recursively: '%s'\n" % mydir,
noiselevel=-1)
def onerror(e):
raise # bail out on the first error that occurs during recursion
if not apply_recursive_permissions(mydir,
gid=portage_gid, dirmode=dirmode, dirmask=modemask,
filemode=filemode, filemask=modemask, onerror=onerror):
raise portage_exception.OperationNotPermitted(
"Failed to apply recursive permissions for the portage group.")
except portage_exception.PortageException, e:
pass
def close_caches(self):
for x in self.auxdb.keys():
self.auxdb[x].sync()
self.auxdb.clear()
def flush_cache(self):
for x in self.auxdb.values():
x.sync()
def finddigest(self,mycpv):
try:
mydig = self.findname2(mycpv)[0]
if not mydig:
return ""
mydigs = mydig.split("/")[:-1]
mydig = "/".join(mydigs)
mysplit = mycpv.split("/")
except OSError:
return ""
return mydig+"/files/digest-"+mysplit[-1]
def findname(self,mycpv):
return self.findname2(mycpv)[0]
def findname2(self, mycpv, mytree=None):
"""
Returns the location of the CPV, and what overlay it was in.
Searches overlays first, then PORTDIR; this allows us to return the first
matching file. As opposed to starting in portdir and then doing overlays
second, we would have to exhaustively search the overlays until we found
the file we wanted.
"""
if not mycpv:
return "",0
mysplit=mycpv.split("/")
psplit=pkgsplit(mysplit[1])
if mytree:
mytrees = [mytree]
else:
mytrees = self.porttrees[:]
mytrees.reverse()
if psplit:
for x in mytrees:
file=x+"/"+mysplit[0]+"/"+psplit[0]+"/"+mysplit[1]+".ebuild"
if os.access(file, os.R_OK):
return[file, x]
return None, 0
def aux_get(self, mycpv, mylist, mytree=None):
"stub code for returning auxilliary db information, such as SLOT, DEPEND, etc."
'input: "sys-apps/foo-1.0",["SLOT","DEPEND","HOMEPAGE"]'
'return: ["0",">=sys-libs/bar-1.0","http://www.foo.com"] or raise KeyError if error'
cache_me = False
if not mytree and not set(mylist).difference(self._aux_cache_keys):
aux_cache = self._aux_cache.get(mycpv)
if aux_cache is not None:
return [aux_cache[x] for x in mylist]
cache_me = True
global auxdbkeys,auxdbkeylen
cat,pkg = mycpv.split("/", 1)
myebuild, mylocation = self.findname2(mycpv, mytree)
if not myebuild:
writemsg("!!! aux_get(): ebuild path for '%(cpv)s' not specified:\n" % {"cpv":mycpv},
noiselevel=1)
writemsg("!!! %s\n" % myebuild, noiselevel=1)
raise KeyError(mycpv)
myManifestPath = "/".join(myebuild.split("/")[:-1])+"/Manifest"
if "gpg" in self.mysettings.features:
try:
mys = portage_gpg.fileStats(myManifestPath)
if (myManifestPath in self.manifestCache) and \
(self.manifestCache[myManifestPath] == mys):
pass
elif self.manifestVerifier:
if not self.manifestVerifier.verify(myManifestPath):
# Verification failed the desired level.
raise portage_exception.UntrustedSignature, "Untrusted Manifest: %(manifest)s" % {"manifest":myManifestPath}
if ("severe" in self.mysettings.features) and \
(mys != portage_gpg.fileStats(myManifestPath)):
raise portage_exception.SecurityViolation, "Manifest changed: %(manifest)s" % {"manifest":myManifestPath}
except portage_exception.InvalidSignature, e:
if ("strict" in self.mysettings.features) or \
("severe" in self.mysettings.features):
raise
writemsg("!!! INVALID MANIFEST SIGNATURE DETECTED: %(manifest)s\n" % {"manifest":myManifestPath})
except portage_exception.MissingSignature, e:
if ("severe" in self.mysettings.features):
raise
if ("strict" in self.mysettings.features):
if myManifestPath not in self.manifestMissingCache:
writemsg("!!! WARNING: Missing signature in: %(manifest)s\n" % {"manifest":myManifestPath})
self.manifestMissingCache.insert(0,myManifestPath)
except (OSError,portage_exception.FileNotFound), e:
if ("strict" in self.mysettings.features) or \
("severe" in self.mysettings.features):
raise portage_exception.SecurityViolation, "Error in verification of signatures: %(errormsg)s" % {"errormsg":str(e)}
writemsg("!!! Manifest is missing or inaccessable: %(manifest)s\n" % {"manifest":myManifestPath},
noiselevel=-1)
if os.access(myebuild, os.R_OK):
emtime=os.stat(myebuild)[stat.ST_MTIME]
else:
writemsg("!!! aux_get(): ebuild for '%(cpv)s' does not exist at:\n" % {"cpv":mycpv},
noiselevel=-1)
writemsg("!!! %s\n" % myebuild,
noiselevel=-1)
raise KeyError
try:
mydata = self.auxdb[mylocation][mycpv]
if emtime != long(mydata.get("_mtime_", 0)):
doregen = True
elif len(mydata.get("_eclasses_", [])) > 0:
doregen = not self.eclassdb.is_eclass_data_valid(mydata["_eclasses_"])
else:
doregen = False
except KeyError:
doregen = True
except CacheError:
doregen = True
try: del self.auxdb[mylocation][mycpv]
except KeyError: pass
writemsg("auxdb is valid: "+str(not doregen)+" "+str(pkg)+"\n", 2)
if doregen:
if myebuild in self._broken_ebuilds:
raise KeyError(mycpv)
writemsg("doregen: %s %s\n" % (doregen,mycpv), 2)
writemsg("Generating cache entry(0) for: "+str(myebuild)+"\n",1)
self.doebuild_settings.reset()
mydata = {}
myret = doebuild(myebuild, "depend",
self.doebuild_settings["ROOT"], self.doebuild_settings,
dbkey=mydata, tree="porttree", mydbapi=self)
if myret != os.EX_OK:
self._broken_ebuilds.add(myebuild)
raise KeyError(mycpv)
if "EAPI" not in mydata or not mydata["EAPI"].strip():
mydata["EAPI"] = "0"
if not eapi_is_supported(mydata["EAPI"]):
# if newer version, wipe everything and negate eapi
eapi = mydata["EAPI"]
mydata = {}
map(lambda x:mydata.setdefault(x, ""), auxdbkeys)
mydata["EAPI"] = "-"+eapi
if mydata.get("INHERITED", False):
mydata["_eclasses_"] = self.eclassdb.get_eclass_data(mydata["INHERITED"].split())
else:
mydata["_eclasses_"] = {}
del mydata["INHERITED"]
mydata["_mtime_"] = emtime
self.auxdb[mylocation][mycpv] = mydata
if not mydata.setdefault("EAPI", "0"):
mydata["EAPI"] = "0"
#finally, we look at our internal cache entry and return the requested data.
returnme = []
for x in mylist:
if x == "INHERITED":
returnme.append(' '.join(mydata.get("_eclasses_", {}).keys()))
else:
returnme.append(mydata.get(x,""))
if cache_me:
aux_cache = {}
for x in self._aux_cache_keys:
aux_cache[x] = mydata.get(x, "")
self._aux_cache[mycpv] = aux_cache
return returnme
def getfetchlist(self, mypkg, useflags=None, mysettings=None, all=0, mytree=None):
if mysettings is None:
mysettings = self.mysettings
try:
myuris = self.aux_get(mypkg, ["SRC_URI"], mytree=mytree)[0]
except KeyError:
# Convert this to an InvalidDependString exception since callers
# already handle it.
raise portage_exception.InvalidDependString(
"getfetchlist(): aux_get() error reading "+mypkg+"; aborting.")
if useflags is None:
useflags = mysettings["USE"].split()
myurilist = portage_dep.paren_reduce(myuris)
myurilist = portage_dep.use_reduce(myurilist,uselist=useflags,matchall=all)
newuris = flatten(myurilist)
myfiles = []
for x in newuris:
mya = os.path.basename(x)
if not mya:
raise portage_exception.InvalidDependString("URI has no basename: '%s'" % x)
if not mya in myfiles:
myfiles.append(mya)
return [newuris, myfiles]
def getfetchsizes(self,mypkg,useflags=None,debug=0):
# returns a filename:size dictionnary of remaining downloads
myebuild = self.findname(mypkg)
pkgdir = os.path.dirname(myebuild)
mf = Manifest(pkgdir, self.mysettings["DISTDIR"])
checksums = mf.getDigests()
if not checksums:
if debug: print "[empty/missing/bad digest]: "+mypkg
return None
filesdict={}
if useflags is None:
myuris, myfiles = self.getfetchlist(mypkg,all=1)
else:
myuris, myfiles = self.getfetchlist(mypkg,useflags=useflags)
#XXX: maybe this should be improved: take partial downloads
# into account? check checksums?
for myfile in myfiles:
if myfile not in checksums:
if debug:
writemsg("[bad digest]: missing %s for %s\n" % (myfile, mypkg))
continue
file_path = os.path.join(self.mysettings["DISTDIR"], myfile)
mystat = None
try:
mystat = os.stat(file_path)
except OSError, e:
pass
if mystat is None:
existing_size = 0
else:
existing_size = mystat.st_size
remaining_size = int(checksums[myfile]["size"]) - existing_size
if remaining_size > 0:
# Assume the download is resumable.
filesdict[myfile] = remaining_size
elif remaining_size < 0:
# The existing file is too large and therefore corrupt.
filesdict[myfile] = int(checksums[myfile]["size"])
return filesdict
def fetch_check(self, mypkg, useflags=None, mysettings=None, all=False):
if not useflags:
if mysettings:
useflags = mysettings["USE"].split()
myuri, myfiles = self.getfetchlist(mypkg, useflags=useflags, mysettings=mysettings, all=all)
myebuild = self.findname(mypkg)
pkgdir = os.path.dirname(myebuild)
mf = Manifest(pkgdir, self.mysettings["DISTDIR"])
mysums = mf.getDigests()
failures = {}
for x in myfiles:
if not mysums or x not in mysums:
ok = False
reason = "digest missing"
else:
try:
ok, reason = portage_checksum.verify_all(
os.path.join(self.mysettings["DISTDIR"], x), mysums[x])
except portage_exception.FileNotFound, e:
ok = False
reason = "File Not Found: '%s'" % str(e)
if not ok:
failures[x] = reason
if failures:
return False
return True
def cpv_exists(self,mykey):
"Tells us whether an actual ebuild exists on disk (no masking)"
cps2=mykey.split("/")
cps=catpkgsplit(mykey,silent=0)
if not cps:
#invalid cat/pkg-v
return 0
if self.findname(cps[0]+"/"+cps2[1]):
return 1
else:
return 0
def cp_all(self):
"returns a list of all keys in our tree"
d={}
for x in self.mysettings.categories:
for oroot in self.porttrees:
for y in listdir(oroot+"/"+x,EmptyOnError=1,ignorecvs=1,dirsonly=1):
d[x+"/"+y] = None
l = d.keys()
l.sort()
return l
def p_list(self,mycp):
d={}
for oroot in self.porttrees:
for x in listdir(oroot+"/"+mycp,EmptyOnError=1,ignorecvs=1):
if x[-7:]==".ebuild":
d[x[:-7]] = None
return d.keys()
def cp_list(self, mycp, use_cache=1, mytree=None):
mysplit=mycp.split("/")
invalid_category = mysplit[0] not in self._categories
d={}
if mytree:
mytrees = [mytree]
else:
mytrees = self.porttrees
for oroot in mytrees:
for x in listdir(oroot+"/"+mycp,EmptyOnError=1,ignorecvs=1):
if x.endswith(".ebuild"):
pf = x[:-7]
ps = pkgsplit(pf)
if not ps:
writemsg("\nInvalid ebuild name: %s\n" % \
os.path.join(oroot, mycp, x), noiselevel=-1)
continue
d[mysplit[0]+"/"+pf] = None
if invalid_category and d:
writemsg(("\n!!! '%s' has a category that is not listed in " + \
"/etc/portage/categories\n") % mycp, noiselevel=-1)
return []
return d.keys()
def freeze(self):
for x in ["list-visible","bestmatch-visible","match-visible","match-all"]:
self.xcache[x]={}
self.frozen=1
def melt(self):
self.xcache={}
self.frozen=0
def xmatch(self,level,origdep,mydep=None,mykey=None,mylist=None):
"caching match function; very trick stuff"
#if no updates are being made to the tree, we can consult our xcache...
if self.frozen:
try:
return self.xcache[level][origdep][:]
except KeyError:
pass
if not mydep:
#this stuff only runs on first call of xmatch()
#create mydep, mykey from origdep
mydep = dep_expand(origdep, mydb=self, settings=self.mysettings)
mykey=dep_getkey(mydep)
if level=="list-visible":
#a list of all visible packages, not called directly (just by xmatch())
#myval=self.visible(self.cp_list(mykey))
myval=self.gvisible(self.visible(self.cp_list(mykey)))
elif level=="bestmatch-visible":
#dep match -- best match of all visible packages
myval=best(self.xmatch("match-visible",None,mydep=mydep,mykey=mykey))
#get all visible matches (from xmatch()), then choose the best one
elif level=="bestmatch-list":
#dep match -- find best match but restrict search to sublist
myval=best(match_from_list(mydep,mylist))
#no point is calling xmatch again since we're not caching list deps
elif level=="match-list":
#dep match -- find all matches but restrict search to sublist (used in 2nd half of visible())
myval=match_from_list(mydep,mylist)
elif level=="match-visible":
#dep match -- find all visible matches
myval = match_from_list(mydep,
self.xmatch("list-visible", mykey, mydep=mykey, mykey=mykey))
#get all visible packages, then get the matching ones
elif level=="match-all":
#match *all* visible *and* masked packages
myval=match_from_list(mydep,self.cp_list(mykey))
else:
print "ERROR: xmatch doesn't handle",level,"query!"
raise KeyError
myslot = portage_dep.dep_getslot(mydep)
if myslot is not None:
slotmatches = []
for cpv in myval:
try:
if self.aux_get(cpv, ["SLOT"])[0] == myslot:
slotmatches.append(cpv)
except KeyError:
pass # ebuild masked by corruption
myval = slotmatches
if self.frozen and (level not in ["match-list","bestmatch-list"]):
self.xcache[level][mydep]=myval
if origdep and origdep != mydep:
self.xcache[level][origdep] = myval
return myval[:]
def match(self,mydep,use_cache=1):
return self.xmatch("match-visible",mydep)
def visible(self,mylist):
"""two functions in one. Accepts a list of cpv values and uses the package.mask *and*
packages file to remove invisible entries, returning remaining items. This function assumes
that all entries in mylist have the same category and package name."""
if (mylist is None) or (len(mylist)==0):
return []
newlist=mylist[:]
#first, we mask out packages in the package.mask file
mykey=newlist[0]
cpv=catpkgsplit(mykey)
if not cpv:
#invalid cat/pkg-v
print "visible(): invalid cat/pkg-v:",mykey
return []
mycp=cpv[0]+"/"+cpv[1]
maskdict=self.mysettings.pmaskdict
unmaskdict=self.mysettings.punmaskdict
if maskdict.has_key(mycp):
for x in maskdict[mycp]:
mymatches=self.xmatch("match-all",x)
if mymatches is None:
#error in package.mask file; print warning and continue:
print "visible(): package.mask entry \""+x+"\" is invalid, ignoring..."
continue
for y in mymatches:
unmask=0
if unmaskdict.has_key(mycp):
for z in unmaskdict[mycp]:
mymatches_unmask=self.xmatch("match-all",z)
if y in mymatches_unmask:
unmask=1
break
if unmask==0:
try:
newlist.remove(y)
except ValueError:
pass
revmaskdict=self.mysettings.prevmaskdict
if revmaskdict.has_key(mycp):
for x in revmaskdict[mycp]:
#important: only match against the still-unmasked entries...
#notice how we pass "newlist" to the xmatch() call below....
#Without this, ~ deps in the packages files are broken.
mymatches=self.xmatch("match-list",x,mylist=newlist)
if mymatches is None:
#error in packages file; print warning and continue:
print "emerge: visible(): profile packages entry \""+x+"\" is invalid, ignoring..."
continue
pos=0
while pos<len(newlist):
if newlist[pos] not in mymatches:
del newlist[pos]
else:
pos += 1
return newlist
def gvisible(self,mylist):
"strip out group-masked (not in current group) entries"
if mylist is None:
return []
newlist=[]
accept_keywords = self.mysettings["ACCEPT_KEYWORDS"].split()
pkgdict = self.mysettings.pkeywordsdict
aux_keys = ["KEYWORDS", "EAPI", "SLOT"]
for mycpv in mylist:
try:
keys, eapi, slot = self.aux_get(mycpv, aux_keys)
except KeyError:
continue
except portage_exception.PortageException, e:
writemsg("!!! Error: aux_get('%s', %s)\n" % (mycpv, aux_keys),
mycpv, noiselevel=-1)
writemsg("!!! %s\n" % str(e), noiselevel=-1)
del e
continue
mygroups=keys.split()
# Repoman may modify this attribute as necessary.
pgroups = accept_keywords[:]
match=0
cp = dep_getkey(mycpv)
if pkgdict.has_key(cp):
cpv_slot = "%s:%s" % (mycpv, slot)
matches = match_to_list(cpv_slot, pkgdict[cp].keys())
for atom in matches:
pgroups.extend(pkgdict[cp][atom])
if matches:
inc_pgroups = []
for x in pgroups:
# The -* special case should be removed once the tree
# is clean of KEYWORDS=-* crap
if x != "-*" and x.startswith("-"):
try:
inc_pgroups.remove(x[1:])
except ValueError:
pass
if x not in inc_pgroups:
inc_pgroups.append(x)
pgroups = inc_pgroups
del inc_pgroups
hasstable = False
hastesting = False
for gp in mygroups:
if gp=="*":
writemsg("--- WARNING: Package '%s' uses '*' keyword.\n" % mycpv,
noiselevel=-1)
match=1
break
elif gp in pgroups:
match=1
break
elif gp[0] == "~":
hastesting = True
elif gp[0] != "-":
hasstable = True
if not match and ((hastesting and "~*" in pgroups) or (hasstable and "*" in pgroups) or "**" in pgroups):
match=1
if match and eapi_is_supported(eapi):
newlist.append(mycpv)
return newlist
class binarytree(object):
"this tree scans for a list of all packages available in PKGDIR"
def __init__(self, root, pkgdir, virtual=None, settings=None, clone=None):
if clone:
writemsg("binarytree.__init__(): deprecated " + \
"use of clone parameter\n", noiselevel=-1)
# XXX This isn't cloning. It's an instance of the same thing.
self.root=clone.root
self.pkgdir=clone.pkgdir
self.dbapi=clone.dbapi
self.populated=clone.populated
self.tree=clone.tree
self.remotepkgs=clone.remotepkgs
self.invalids=clone.invalids
self.settings = clone.settings
else:
self.root=root
#self.pkgdir=settings["PKGDIR"]
self.pkgdir = normalize_path(pkgdir)
self.dbapi = bindbapi(self, settings=settings)
self.update_ents = self.dbapi.update_ents
self.move_slot_ent = self.dbapi.move_slot_ent
self.populated=0
self.tree={}
self.remotepkgs={}
self.invalids=[]
self.settings = settings
self._pkg_paths = {}
def move_ent(self,mylist):
if not self.populated:
self.populate()
origcp=mylist[1]
newcp=mylist[2]
# sanity check
for cp in [origcp,newcp]:
if not (isvalidatom(cp) and isjustname(cp)):
raise portage_exception.InvalidPackageName(cp)
origcat = origcp.split("/")[0]
mynewcat=newcp.split("/")[0]
origmatches=self.dbapi.cp_list(origcp)
moves = 0
if not origmatches:
return moves
for mycpv in origmatches:
mycpsplit=catpkgsplit(mycpv)
mynewcpv=newcp+"-"+mycpsplit[2]
if mycpsplit[3]!="r0":
mynewcpv += "-"+mycpsplit[3]
myoldpkg=mycpv.split("/")[1]
mynewpkg=mynewcpv.split("/")[1]
if (mynewpkg != myoldpkg) and os.path.exists(self.getname(mynewcpv)):
writemsg("!!! Cannot update binary: Destination exists.\n",
noiselevel=-1)
writemsg("!!! "+mycpv+" -> "+mynewcpv+"\n", noiselevel=-1)
continue
tbz2path=self.getname(mycpv)
if os.path.exists(tbz2path) and not os.access(tbz2path,os.W_OK):
writemsg("!!! Cannot update readonly binary: "+mycpv+"\n",
noiselevel=-1)
continue
moves += 1
mytbz2 = xpak.tbz2(tbz2path)
mydata = mytbz2.get_data()
updated_items = update_dbentries([mylist], mydata)
mydata.update(updated_items)
mydata["CATEGORY"] = mynewcat+"\n"
if mynewpkg != myoldpkg:
mydata[mynewpkg+".ebuild"] = mydata[myoldpkg+".ebuild"]
del mydata[myoldpkg+".ebuild"]
mydata["PF"] = mynewpkg + "\n"
mytbz2.recompose_mem(xpak.xpak_mem(mydata))
self.dbapi.cpv_remove(mycpv)
del self._pkg_paths[mycpv]
new_path = self.getname(mynewcpv)
self._pkg_paths[mynewcpv] = os.path.join(
*new_path.split(os.path.sep)[-2:])
if new_path != mytbz2:
try:
os.makedirs(os.path.dirname(new_path))
except OSError, e:
if e.errno != errno.EEXIST:
raise
del e
os.rename(tbz2path, new_path)
self._remove_symlink(mycpv)
if new_path.split(os.path.sep)[-2] == "All":
self._create_symlink(mynewcpv)
self.dbapi.cpv_inject(mynewcpv)
return moves
def _remove_symlink(self, cpv):
"""Remove a ${PKGDIR}/${CATEGORY}/${PF}.tbz2 symlink and also remove
the ${PKGDIR}/${CATEGORY} directory if empty. The file will not be
removed if os.path.islink() returns False."""
mycat, mypkg = catsplit(cpv)
mylink = os.path.join(self.pkgdir, mycat, mypkg + ".tbz2")
if os.path.islink(mylink):
"""Only remove it if it's really a link so that this method never
removes a real package that was placed here to avoid a collision."""
os.unlink(mylink)
try:
os.rmdir(os.path.join(self.pkgdir, mycat))
except OSError, e:
if e.errno not in (errno.ENOENT,
errno.ENOTEMPTY, errno.EEXIST):
raise
del e
def _create_symlink(self, cpv):
"""Create a ${PKGDIR}/${CATEGORY}/${PF}.tbz2 symlink (and
${PKGDIR}/${CATEGORY} directory, if necessary). Any file that may
exist in the location of the symlink will first be removed."""
mycat, mypkg = catsplit(cpv)
full_path = os.path.join(self.pkgdir, mycat, mypkg + ".tbz2")
try:
os.makedirs(os.path.dirname(full_path))
except OSError, e:
if e.errno != errno.EEXIST:
raise
del e
try:
os.unlink(full_path)
except OSError, e:
if e.errno != errno.ENOENT:
raise
del e
os.symlink(os.path.join("..", "All", mypkg + ".tbz2"), full_path)
def prevent_collision(self, cpv):
"""Make sure that the file location ${PKGDIR}/All/${PF}.tbz2 is safe to
use for a given cpv. If a collision will occur with an existing
package from another category, the existing package will be bumped to
${PKGDIR}/${CATEGORY}/${PF}.tbz2 so that both can coexist."""
if not self.populated:
# Try to avoid the population routine when possible, so that
# FEATURES=buildpkg doesn't always force population.
mycat, mypkg = catsplit(cpv)
myfile = mypkg + ".tbz2"
full_path = os.path.join(self.pkgdir, "All", myfile)
if not os.path.exists(full_path):
return
tbz2_cat = xpak.tbz2(full_path).getfile("CATEGORY")
if tbz2_cat and tbz2_cat.strip() == mycat:
return
full_path = self.getname(cpv)
if "All" == full_path.split(os.path.sep)[-2]:
return
"""Move a colliding package if it exists. Code below this point only
executes in rare cases."""
mycat, mypkg = catsplit(cpv)
myfile = mypkg + ".tbz2"
mypath = os.path.join("All", myfile)
dest_path = os.path.join(self.pkgdir, mypath)
if os.path.exists(dest_path):
# For invalid packages, other_cat could be None.
other_cat = xpak.tbz2(dest_path).getfile("CATEGORY")
if other_cat:
other_cat = other_cat.strip()
self._move_from_all(other_cat + "/" + mypkg)
"""The file may or may not exist. Move it if necessary and update
internal state for future calls to getname()."""
self._move_to_all(cpv)
def _move_to_all(self, cpv):
"""If the file exists, move it. Whether or not it exists, update state
for future getname() calls."""
mycat , mypkg = catsplit(cpv)
myfile = mypkg + ".tbz2"
src_path = os.path.join(self.pkgdir, mycat, myfile)
try:
mystat = os.lstat(src_path)
except OSError, e:
mystat = None
if mystat and stat.S_ISREG(mystat.st_mode):
try:
os.makedirs(os.path.join(self.pkgdir, "All"))
except OSError, e:
if e.errno != errno.EEXIST:
raise
del e
os.rename(src_path, os.path.join(self.pkgdir, "All", myfile))
self._create_symlink(cpv)
self._pkg_paths[cpv] = os.path.join("All", myfile)
def _move_from_all(self, cpv):
"""Move a package from ${PKGDIR}/All/${PF}.tbz2 to
${PKGDIR}/${CATEGORY}/${PF}.tbz2 and update state from getname calls."""
self._remove_symlink(cpv)
mycat , mypkg = catsplit(cpv)
myfile = mypkg + ".tbz2"
mypath = os.path.join(mycat, myfile)
dest_path = os.path.join(self.pkgdir, mypath)
try:
os.makedirs(os.path.dirname(dest_path))
except OSError, e:
if e.errno != errno.EEXIST:
raise
del e
os.rename(os.path.join(self.pkgdir, "All", myfile), dest_path)
self._pkg_paths[cpv] = mypath
def populate(self, getbinpkgs=0,getbinpkgsonly=0):
"populates the binarytree"
if (not os.path.isdir(self.pkgdir) and not getbinpkgs):
return 0
categories = set(self.settings.categories)
if not getbinpkgsonly:
pkg_paths = {}
dirs = listdir(self.pkgdir, dirsonly=True, EmptyOnError=True)
if "All" in dirs:
dirs.remove("All")
dirs.sort()
dirs.insert(0, "All")
for mydir in dirs:
for myfile in listdir(os.path.join(self.pkgdir, mydir)):
if not myfile.endswith(".tbz2"):
continue
mypath = os.path.join(mydir, myfile)
full_path = os.path.join(self.pkgdir, mypath)
if os.path.islink(full_path):
continue
if not os.access(full_path, os.R_OK):
writemsg("!!! Permission denied to read " + \
"binary package: '%s'\n" % full_path,
noiselevel=-1)
self.invalids.append(myfile[:-5])
continue
mytbz2 = xpak.tbz2(full_path)
# For invalid packages, mycat could be None.
mycat = mytbz2.getfile("CATEGORY")
mypf = mytbz2.getfile("PF")
mypkg = myfile[:-5]
if not mycat or not mypf:
#old-style or corrupt package
writemsg("!!! Invalid binary package: '%s'\n" % full_path,
noiselevel=-1)
writemsg("!!! This binary package is not " + \
"recoverable and should be deleted.\n",
noiselevel=-1)
self.invalids.append(mypkg)
continue
mycat = mycat.strip()
if mycat != mydir and mydir != "All":
continue
if mypkg != mypf.strip():
continue
mycpv = mycat + "/" + mypkg
if mycpv in pkg_paths:
# All is first, so it's preferred.
continue
if mycat not in categories:
writemsg(("!!! Binary package has an " + \
"unrecognized category: '%s'\n") % full_path,
noiselevel=-1)
writemsg(("!!! '%s' has a category that is not" + \
" listed in /etc/portage/categories\n") % mycpv,
noiselevel=-1)
continue
pkg_paths[mycpv] = mypath
self.dbapi.cpv_inject(mycpv)
self._pkg_paths = pkg_paths
if getbinpkgs and not self.settings["PORTAGE_BINHOST"]:
writemsg(red("!!! PORTAGE_BINHOST unset, but use is requested.\n"),
noiselevel=-1)
if getbinpkgs and \
self.settings["PORTAGE_BINHOST"] and not self.remotepkgs:
try:
chunk_size = long(self.settings["PORTAGE_BINHOST_CHUNKSIZE"])
if chunk_size < 8:
chunk_size = 8
except (ValueError, KeyError):
chunk_size = 3000
writemsg(green("Fetching binary packages info...\n"))
self.remotepkgs = getbinpkg.dir_get_metadata(
self.settings["PORTAGE_BINHOST"], chunk_size=chunk_size)
writemsg(green(" -- DONE!\n\n"))
for mypkg in self.remotepkgs.keys():
if not self.remotepkgs[mypkg].has_key("CATEGORY"):
#old-style or corrupt package
writemsg("!!! Invalid remote binary package: "+mypkg+"\n",
noiselevel=-1)
del self.remotepkgs[mypkg]
continue
mycat=self.remotepkgs[mypkg]["CATEGORY"].strip()
fullpkg=mycat+"/"+mypkg[:-5]
if mycat not in categories:
writemsg(("!!! Remote binary package has an " + \
"unrecognized category: '%s'\n") % fullpkg,
noiselevel=-1)
writemsg(("!!! '%s' has a category that is not" + \
" listed in /etc/portage/categories\n") % fullpkg,
noiselevel=-1)
continue
mykey=dep_getkey(fullpkg)
try:
# invalid tbz2's can hurt things.
#print "cpv_inject("+str(fullpkg)+")"
self.dbapi.cpv_inject(fullpkg)
#print " -- Injected"
except SystemExit, e:
raise
except:
writemsg("!!! Failed to inject remote binary package:"+str(fullpkg)+"\n",
noiselevel=-1)
del self.remotepkgs[mypkg]
continue
self.populated=1
def inject(self,cpv):
return self.dbapi.cpv_inject(cpv)
def exists_specific(self,cpv):
if not self.populated:
self.populate()
return self.dbapi.match(
dep_expand("="+cpv, mydb=self.dbapi, settings=self.settings))
def dep_bestmatch(self,mydep):
"compatibility method -- all matches, not just visible ones"
if not self.populated:
self.populate()
writemsg("\n\n", 1)
writemsg("mydep: %s\n" % mydep, 1)
mydep = dep_expand(mydep, mydb=self.dbapi, settings=self.settings)
writemsg("mydep: %s\n" % mydep, 1)
mykey=dep_getkey(mydep)
writemsg("mykey: %s\n" % mykey, 1)
mymatch=best(match_from_list(mydep,self.dbapi.cp_list(mykey)))
writemsg("mymatch: %s\n" % mymatch, 1)
if mymatch is None:
return ""
return mymatch
def getname(self,pkgname):
"""Returns a file location for this package. The default location is
${PKGDIR}/All/${PF}.tbz2, but will be ${PKGDIR}/${CATEGORY}/${PF}.tbz2
in the rare event of a collision. The prevent_collision() method can
be called to ensure that ${PKGDIR}/All/${PF}.tbz2 is available for a
specific cpv."""
if not self.populated:
self.populate()
mycpv = pkgname
mypath = self._pkg_paths.get(mycpv, None)
if mypath:
return os.path.join(self.pkgdir, mypath)
mycat, mypkg = catsplit(mycpv)
mypath = os.path.join("All", mypkg + ".tbz2")
if mypath in self._pkg_paths.values():
mypath = os.path.join(mycat, mypkg + ".tbz2")
self._pkg_paths[mycpv] = mypath # cache for future lookups
return os.path.join(self.pkgdir, mypath)
def isremote(self,pkgname):
"Returns true if the package is kept remotely."
mysplit=pkgname.split("/")
remote = (not os.path.exists(self.getname(pkgname))) and self.remotepkgs.has_key(mysplit[1]+".tbz2")
return remote
def get_use(self,pkgname):
mysplit=pkgname.split("/")
if self.isremote(pkgname):
return self.remotepkgs[mysplit[1]+".tbz2"]["USE"][:].split()
tbz2=xpak.tbz2(self.getname(pkgname))
return tbz2.getfile("USE").split()
def gettbz2(self,pkgname):
"fetches the package from a remote site, if necessary."
print "Fetching '"+str(pkgname)+"'"
mysplit = pkgname.split("/")
tbz2name = mysplit[1]+".tbz2"
if not self.isremote(pkgname):
if (tbz2name not in self.invalids):
return
else:
writemsg("Resuming download of this tbz2, but it is possible that it is corrupt.\n",
noiselevel=-1)
mydest = self.pkgdir+"/All/"
try:
os.makedirs(mydest, 0775)
except (OSError, IOError):
pass
return getbinpkg.file_get(
self.settings["PORTAGE_BINHOST"] + "/" + tbz2name,
mydest, fcmd=self.settings["RESUMECOMMAND"])
def getslot(self,mycatpkg):
"Get a slot for a catpkg; assume it exists."
myslot = ""
try:
myslot=self.dbapi.aux_get(mycatpkg,["SLOT"])[0]
except SystemExit, e:
raise
except Exception, e:
pass
return myslot
class dblink:
"""
This class provides an interface to the installed package database
At present this is implemented as a text backend in /var/db/pkg.
"""
def __init__(self, cat, pkg, myroot, mysettings, treetype=None,
vartree=None):
"""
Creates a DBlink object for a given CPV.
The given CPV may not be present in the database already.
@param cat: Category
@type cat: String
@param pkg: Package (PV)
@type pkg: String
@param myroot: Typically ${ROOT}
@type myroot: String (Path)
@param mysettings: Typically portage.config
@type mysettings: An instance of portage.config
@param treetype: one of ['porttree','bintree','vartree']
@type treetype: String
@param vartree: an instance of vartree corresponding to myroot.
@type vartree: vartree
"""
self.cat = cat
self.pkg = pkg
self.mycpv = self.cat+"/"+self.pkg
self.mysplit = pkgsplit(self.mycpv)
self.treetype = treetype
if vartree is None:
global db
vartree = db[myroot]["vartree"]
self.vartree = vartree
self.dbroot = normalize_path(os.path.join(myroot, VDB_PATH))
self.dbcatdir = self.dbroot+"/"+cat
self.dbpkgdir = self.dbcatdir+"/"+pkg
self.dbtmpdir = self.dbcatdir+"/-MERGING-"+pkg
self.dbdir = self.dbpkgdir
self._lock_vdb = None
self.settings = mysettings
if self.settings==1:
raise ValueError
self.myroot=myroot
protect_obj = portage_util.ConfigProtect(myroot,
mysettings.get("CONFIG_PROTECT","").split(),
mysettings.get("CONFIG_PROTECT_MASK","").split())
self.updateprotect = protect_obj.updateprotect
self.isprotected = protect_obj.isprotected
self._installed_instance = None
self.contentscache = None
self._contents_inodes = None
def lockdb(self):
if self._lock_vdb:
raise AssertionError("Lock already held.")
# At least the parent needs to exist for the lock file.
portage_util.ensure_dirs(self.dbroot)
self._lock_vdb = portage_locks.lockdir(self.dbroot)
def unlockdb(self):
if self._lock_vdb:
portage_locks.unlockdir(self._lock_vdb)
self._lock_vdb = None
def getpath(self):
"return path to location of db information (for >>> informational display)"
return self.dbdir
def exists(self):
"does the db entry exist? boolean."
return os.path.exists(self.dbdir)
def create(self):
"create the skeleton db directory structure. No contents, virtuals, provides or anything. Also will create /var/db/pkg if necessary."
"""
This function should never get called (there is no reason to use it).
"""
# XXXXX Delete this eventually
raise Exception, "This is bad. Don't use it."
if not os.path.exists(self.dbdir):
os.makedirs(self.dbdir)
def delete(self):
"""
Remove this entry from the database
"""
if not os.path.exists(self.dbdir):
return
try:
for x in listdir(self.dbdir):
os.unlink(self.dbdir+"/"+x)
os.rmdir(self.dbdir)
except OSError, e:
print "!!! Unable to remove db entry for this package."
print "!!! It is possible that a directory is in this one. Portage will still"
print "!!! register this package as installed as long as this directory exists."
print "!!! You may delete this directory with 'rm -Rf "+self.dbdir+"'"
print "!!! "+str(e)
print
sys.exit(1)
def clearcontents(self):
"""
For a given db entry (self), erase the CONTENTS values.
"""
if os.path.exists(self.dbdir+"/CONTENTS"):
os.unlink(self.dbdir+"/CONTENTS")
def getcontents(self):
"""
Get the installed files of a given package (aka what that package installed)
"""
contents_file = os.path.join(self.dbdir, "CONTENTS")
if self.contentscache is not None:
return self.contentscache
pkgfiles = {}
try:
myc = open(contents_file,"r")
except EnvironmentError, e:
if e.errno != errno.ENOENT:
raise
del e
self.contentscache = pkgfiles
return pkgfiles
mylines=myc.readlines()
myc.close()
null_byte = "\0"
contents_file = os.path.join(self.dbdir, "CONTENTS")
pos = 0
for line in mylines:
pos += 1
if null_byte in line:
# Null bytes are a common indication of corruption.
writemsg("!!! Null byte found in contents " + \
"file, line %d: '%s'\n" % (pos, contents_file),
noiselevel=-1)
continue
mydat = line.split()
# we do this so we can remove from non-root filesystems
# (use the ROOT var to allow maintenance on other partitions)
try:
mydat[1] = normalize_path(os.path.join(
self.myroot, mydat[1].lstrip(os.path.sep)))
if mydat[0]=="obj":
#format: type, mtime, md5sum
pkgfiles[" ".join(mydat[1:-2])]=[mydat[0], mydat[-1], mydat[-2]]
elif mydat[0]=="dir":
#format: type
pkgfiles[" ".join(mydat[1:])]=[mydat[0] ]
elif mydat[0]=="sym":
#format: type, mtime, dest
x=len(mydat)-1
if (x >= 13) and (mydat[-1][-1]==')'): # Old/Broken symlink entry
mydat = mydat[:-10]+[mydat[-10:][stat.ST_MTIME][:-1]]
writemsg("FIXED SYMLINK LINE: %s\n" % mydat, 1)
x=len(mydat)-1
splitter=-1
while(x>=0):
if mydat[x]=="->":
splitter=x
break
x=x-1
if splitter==-1:
return None
pkgfiles[" ".join(mydat[1:splitter])]=[mydat[0], mydat[-1], " ".join(mydat[(splitter+1):-1])]
elif mydat[0]=="dev":
#format: type
pkgfiles[" ".join(mydat[1:])]=[mydat[0] ]
elif mydat[0]=="fif":
#format: type
pkgfiles[" ".join(mydat[1:])]=[mydat[0]]
else:
writemsg("!!! Unrecognized CONTENTS entry on " + \
"line %d: '%s'\n" % (pos, line), noiselevel=-1)
except (KeyError, IndexError):
writemsg("!!! Unrecognized CONTENTS entry on " + \
"line %d: '%s'\n" % (pos, line), noiselevel=-1)
self.contentscache = pkgfiles
return pkgfiles
def unmerge(self, pkgfiles=None, trimworld=1, cleanup=1,
ldpath_mtimes=None, others_in_slot=None):
"""
Calls prerm
Unmerges a given package (CPV)
calls postrm
calls cleanrm
calls env_update
@param pkgfiles: files to unmerge (generally self.getcontents() )
@type pkgfiles: Dictionary
@param trimworld: Remove CPV from world file if True, not if False
@type trimworld: Boolean
@param cleanup: cleanup to pass to doebuild (see doebuild)
@type cleanup: Boolean
@param ldpath_mtimes: mtimes to pass to env_update (see env_update)
@type ldpath_mtimes: Dictionary
@param others_in_slot: all dblink instances in this slot, excluding self
@type others_in_slot: list
@rtype: Integer
@returns:
1. os.EX_OK if everything went well.
2. return code of the failed phase (for prerm, postrm, cleanrm)
Notes:
The caller must ensure that lockdb() and unlockdb() are called
before and after this method.
"""
# When others_in_slot is supplied, the security check has already been
# done for this slot, so it shouldn't be repeated until the next
# replacement or unmerge operation.
if others_in_slot is None:
slot = self.vartree.dbapi.aux_get(self.mycpv, ["SLOT"])[0]
slot_matches = self.vartree.dbapi.match(
"%s:%s" % (dep_getkey(self.mycpv), slot))
others_in_slot = []
for cur_cpv in slot_matches:
if cur_cpv == self.mycpv:
continue
others_in_slot.append(dblink(self.cat, catsplit(cur_cpv)[1],
self.vartree.root, self.settings, vartree=self.vartree))
retval = self._security_check([self] + others_in_slot)
if retval:
return retval
contents = self.getcontents()
# Now, don't assume that the name of the ebuild is the same as the
# name of the dir; the package may have been moved.
myebuildpath = None
mystuff = listdir(self.dbdir, EmptyOnError=1)
for x in mystuff:
if x.endswith(".ebuild"):
myebuildpath = os.path.join(self.dbdir, self.pkg + ".ebuild")
if x[:-7] != self.pkg:
# Clean up after vardbapi.move_ent() breakage in
# portage versions before 2.1.2
os.rename(os.path.join(self.dbdir, x), myebuildpath)
write_atomic(os.path.join(self.dbdir, "PF"), self.pkg+"\n")
break
self.settings.load_infodir(self.dbdir)
if myebuildpath:
try:
doebuild_environment(myebuildpath, "prerm", self.myroot,
self.settings, 0, 0, self.vartree.dbapi)
except portage_exception.UnsupportedAPIException, e:
# Sometimes this happens due to corruption of the EAPI file.
writemsg("!!! FAILED prerm: %s\n" % \
os.path.join(self.dbdir, "EAPI"), noiselevel=-1)
writemsg("%s\n" % str(e), noiselevel=-1)
return 1
catdir = os.path.dirname(self.settings["PORTAGE_BUILDDIR"])
portage_util.ensure_dirs(os.path.dirname(catdir),
uid=portage_uid, gid=portage_gid, mode=070, mask=0)
builddir_lock = None
catdir_lock = None
try:
if myebuildpath:
catdir_lock = portage_locks.lockdir(catdir)
portage_util.ensure_dirs(catdir,
uid=portage_uid, gid=portage_gid,
mode=070, mask=0)
builddir_lock = portage_locks.lockdir(
self.settings["PORTAGE_BUILDDIR"])
try:
portage_locks.unlockdir(catdir_lock)
finally:
catdir_lock = None
# Eventually, we'd like to pass in the saved ebuild env here...
retval = doebuild(myebuildpath, "prerm", self.myroot,
self.settings, cleanup=cleanup, use_cache=0,
mydbapi=self.vartree.dbapi, tree="vartree",
vartree=self.vartree)
# XXX: Decide how to handle failures here.
if retval != os.EX_OK:
writemsg("!!! FAILED prerm: %s\n" % retval, noiselevel=-1)
return retval
self._unmerge_pkgfiles(pkgfiles, others_in_slot)
if myebuildpath:
retval = doebuild(myebuildpath, "postrm", self.myroot,
self.settings, use_cache=0, tree="vartree",
mydbapi=self.vartree.dbapi, vartree=self.vartree)
# process logs created during pre/postrm
elog_process(self.mycpv, self.settings)
# XXX: Decide how to handle failures here.
if retval != os.EX_OK:
writemsg("!!! FAILED postrm: %s\n" % retval, noiselevel=-1)
return retval
doebuild(myebuildpath, "cleanrm", self.myroot, self.settings,
tree="vartree", mydbapi=self.vartree.dbapi,
vartree=self.vartree)
finally:
if builddir_lock:
portage_locks.unlockdir(builddir_lock)
try:
if myebuildpath and not catdir_lock:
# Lock catdir for removal if empty.
catdir_lock = portage_locks.lockdir(catdir)
finally:
if catdir_lock:
try:
os.rmdir(catdir)
except OSError, e:
if e.errno not in (errno.ENOENT,
errno.ENOTEMPTY, errno.EEXIST):
raise
del e
portage_locks.unlockdir(catdir_lock)
env_update(target_root=self.myroot, prev_mtimes=ldpath_mtimes,
contents=contents, env=self.settings.environ())
return os.EX_OK
def _unmerge_pkgfiles(self, pkgfiles, others_in_slot):
"""
Unmerges the contents of a package from the liveFS
Removes the VDB entry for self
@param pkgfiles: typically self.getcontents()
@type pkgfiles: Dictionary { filename: [ 'type', '?', 'md5sum' ] }
@param others_in_slot: all dblink instances in this slot, excluding self
@type others_in_slot: list
@rtype: None
"""
if not pkgfiles:
writemsg_stdout("No package files given... Grabbing a set.\n")
pkgfiles=self.getcontents()
if others_in_slot is None:
others_in_slot = []
slot = self.vartree.dbapi.aux_get(self.mycpv, ["SLOT"])[0]
slot_matches = self.vartree.dbapi.match(
"%s:%s" % (dep_getkey(self.mycpv), slot))
for cur_cpv in slot_matches:
if cur_cpv == self.mycpv:
continue
others_in_slot.append(dblink(self.cat, catsplit(cur_cpv)[1],
self.vartree.root, self.settings,
vartree=self.vartree))
dest_root = normalize_path(self.vartree.root).rstrip(os.path.sep) + \
os.path.sep
dest_root_len = len(dest_root)
unmerge_orphans = "unmerge-orphans" in self.settings.features
if pkgfiles:
mykeys=pkgfiles.keys()
mykeys.sort()
mykeys.reverse()
#process symlinks second-to-last, directories last.
mydirs = []
modprotect = os.path.join(self.vartree.root, "lib/modules/")
for objkey in mykeys:
obj = normalize_path(objkey)
file_data = pkgfiles[objkey]
file_type = file_data[0]
statobj = None
try:
statobj = os.stat(obj)
except OSError:
pass
lstatobj = None
try:
lstatobj = os.lstat(obj)
except (OSError, AttributeError):
pass
islink = lstatobj is not None and stat.S_ISLNK(lstatobj.st_mode)
if lstatobj is None:
writemsg_stdout("--- !found %s %s\n" % (file_type, obj))
continue
if obj.startswith(dest_root):
relative_path = obj[dest_root_len:]
is_owned = False
for dblnk in others_in_slot:
if dblnk.isowner(relative_path, dest_root):
is_owned = True
break
if is_owned:
# A new instance of this package claims the file, so
# don't unmerge it.
writemsg_stdout("--- !owned %s %s\n" % \
(file_type, obj))
continue
# next line includes a tweak to protect modules from being unmerged,
# but we don't protect modules from being overwritten if they are
# upgraded. We effectively only want one half of the config protection
# functionality for /lib/modules. For portage-ng both capabilities
# should be able to be independently specified.
if obj.startswith(modprotect):
writemsg_stdout("--- cfgpro %s %s\n" % (pkgfiles[objkey][0], obj))
continue
# Don't unlink symlinks to directories here since that can
# remove /lib and /usr/lib symlinks.
if unmerge_orphans and \
lstatobj and not stat.S_ISDIR(lstatobj.st_mode) and \
not (islink and statobj and stat.S_ISDIR(statobj.st_mode)) and \
not self.isprotected(obj):
try:
# Remove permissions to ensure that any hardlinks to
# suid/sgid files are rendered harmless.
if statobj and not islink:
os.chmod(obj, 0)
os.unlink(obj)
except EnvironmentError, e:
pass
writemsg_stdout("<<< %s %s\n" % (file_type, obj))
continue
lmtime=str(lstatobj[stat.ST_MTIME])
if (pkgfiles[objkey][0] not in ("dir","fif","dev")) and (lmtime != pkgfiles[objkey][1]):
writemsg_stdout("--- !mtime %s %s\n" % (pkgfiles[objkey][0], obj))
continue
if pkgfiles[objkey][0]=="dir":
if statobj is None or not stat.S_ISDIR(statobj.st_mode):
writemsg_stdout("--- !dir %s %s\n" % ("dir", obj))
continue
mydirs.append(obj)
elif pkgfiles[objkey][0]=="sym":
if not islink:
writemsg_stdout("--- !sym %s %s\n" % ("sym", obj))
continue
# Go ahead and unlink symlinks to directories here when
# they're actually recorded as symlinks in the contents.
# Normally, symlinks such as /lib -> lib64 are not recorded
# as symlinks in the contents of a package. If a package
# installs something into ${D}/lib/, it is recorded in the
# contents as a directory even if it happens to correspond
# to a symlink when it's merged to the live filesystem.
try:
os.unlink(obj)
writemsg_stdout("<<< %s %s\n" % ("sym",obj))
except (OSError,IOError),e:
writemsg_stdout("!!! %s %s\n" % ("sym",obj))
elif pkgfiles[objkey][0]=="obj":
if statobj is None or not stat.S_ISREG(statobj.st_mode):
writemsg_stdout("--- !obj %s %s\n" % ("obj", obj))
continue
mymd5 = None
try:
mymd5 = portage_checksum.perform_md5(obj, calc_prelink=1)
except portage_exception.FileNotFound, e:
# the file has disappeared between now and our stat call
writemsg_stdout("--- !obj %s %s\n" % ("obj", obj))
continue
# string.lower is needed because db entries used to be in upper-case. The
# string.lower allows for backwards compatibility.
if mymd5 != pkgfiles[objkey][2].lower():
writemsg_stdout("--- !md5 %s %s\n" % ("obj", obj))
continue
try:
# Remove permissions to ensure that any hardlinks to
# suid/sgid files are rendered harmless.
if not islink:
os.chmod(obj, 0)
os.unlink(obj)
except (OSError,IOError),e:
pass
writemsg_stdout("<<< %s %s\n" % ("obj",obj))
elif pkgfiles[objkey][0]=="fif":
if not stat.S_ISFIFO(lstatobj[stat.ST_MODE]):
writemsg_stdout("--- !fif %s %s\n" % ("fif", obj))
continue
writemsg_stdout("--- %s %s\n" % ("fif",obj))
elif pkgfiles[objkey][0]=="dev":
writemsg_stdout("--- %s %s\n" % ("dev",obj))
mydirs.sort()
mydirs.reverse()
for obj in mydirs:
try:
os.rmdir(obj)
writemsg_stdout("<<< %s %s\n" % ("dir",obj))
except (OSError, IOError):
writemsg_stdout("--- !empty dir %s\n" % obj)
#remove self from vartree database so that our own virtual gets zapped if we're the last node
self.vartree.zap(self.mycpv)
def isowner(self,filename,destroot):
"""
Check if filename is a new file or belongs to this package
(for this or a previous version)
@param filename:
@type filename:
@param destroot:
@type destroot:
@rtype: Boolean
@returns:
1. True if this package owns the file.
2. False if this package does not own the file.
"""
destfile = normalize_path(
os.path.join(destroot, filename.lstrip(os.path.sep)))
pkgfiles = self.getcontents()
if pkgfiles and destfile in pkgfiles:
return True
if pkgfiles:
try:
mylstat = os.lstat(destfile)
except EnvironmentError, e:
if e.errno != errno.ENOENT:
raise
del e
return True
if self._contents_inodes is None:
self._contents_inodes = set()
for x in pkgfiles:
try:
lstat = os.lstat(x)
self._contents_inodes.add((lstat.st_dev, lstat.st_ino))
except OSError:
pass
if (mylstat.st_dev, mylstat.st_ino) in self._contents_inodes:
return True
return False
def _security_check(self, installed_instances):
if not installed_instances:
return 0
file_paths = set()
for dblnk in installed_instances:
file_paths.update(dblnk.getcontents())
inode_map = {}
real_paths = set()
for path in file_paths:
try:
s = os.lstat(path)
except OSError, e:
if e.errno != errno.ENOENT:
raise
del e
continue
if not stat.S_ISREG(s.st_mode):
continue
path = os.path.realpath(path)
if path in real_paths:
continue
real_paths.add(path)
if s.st_nlink > 1 and \
s.st_mode & (stat.S_ISUID | stat.S_ISGID):
k = (s.st_dev, s.st_ino)
inode_map.setdefault(k, []).append((path, s))
suspicious_hardlinks = []
for path_list in inode_map.itervalues():
path, s = path_list[0]
if len(path_list) == s.st_nlink:
# All hardlinks seem to be owned by this package.
continue
suspicious_hardlinks.append(path_list)
if not suspicious_hardlinks:
return 0
from output import colorize
prefix = colorize("SECURITY_WARN", "*") + " WARNING: "
writemsg(prefix + "suid/sgid file(s) " + \
"with suspicious hardlink(s):\n", noiselevel=-1)
for path_list in suspicious_hardlinks:
for path, s in path_list:
writemsg(prefix + " '%s'\n" % path, noiselevel=-1)
writemsg(prefix + "See the Gentoo Security Handbook " + \
"guide for advice on how to proceed.\n", noiselevel=-1)
return 1
def treewalk(self, srcroot, destroot, inforoot, myebuild, cleanup=0,
mydbapi=None, prev_mtimes=None):
"""
This function does the following:
Collision Protection.
calls doebuild(mydo=pkg_preinst)
Merges the package to the livefs
unmerges old version (if required)
calls doebuild(mydo=pkg_postinst)
calls env_update
@param srcroot: Typically this is ${D}
@type srcroot: String (Path)
@param destroot: Path to merge to (usually ${ROOT})
@type destroot: String (Path)
@param inforoot: root of the vardb entry ?
@type inforoot: String (Path)
@param myebuild: path to the ebuild that we are processing
@type myebuild: String (Path)
@param mydbapi: dbapi which is handed to doebuild.
@type mydbapi: portdbapi instance
@param prev_mtimes: { Filename:mtime } mapping for env_update
@type prev_mtimes: Dictionary
@rtype: Boolean
@returns:
1. 0 on success
2. 1 on failure
secondhand is a list of symlinks that have been skipped due to their target
not existing; we will merge these symlinks at a later time.
"""
if not os.path.isdir(srcroot):
writemsg("!!! Directory Not Found: D='%s'\n" % srcroot,
noiselevel=-1)
return 1
if not os.path.exists(self.dbcatdir):
os.makedirs(self.dbcatdir)
otherversions=[]
for v in self.vartree.dbapi.cp_list(self.mysplit[0]):
otherversions.append(v.split("/")[1])
slot_matches = self.vartree.dbapi.match(
"%s:%s" % (self.mysplit[0], self.settings["SLOT"]))
if self.mycpv not in slot_matches and \
self.vartree.dbapi.cpv_exists(self.mycpv):
# handle multislot or unapplied slotmove
slot_matches.append(self.mycpv)
others_in_slot = []
for cur_cpv in slot_matches:
others_in_slot.append(dblink(self.cat, catsplit(cur_cpv)[1],
self.vartree.root, self.settings,
vartree=self.vartree))
retval = self._security_check(others_in_slot)
if retval:
return retval
if slot_matches:
# Used by self.isprotected().
max_dblnk = None
max_counter = -1
for dblnk in others_in_slot:
cur_counter = self.vartree.dbapi.cpv_counter(dblnk.mycpv)
if cur_counter > max_counter:
max_counter = cur_counter
max_dblnk = dblnk
self._installed_instance = max_dblnk
# check for package collisions
if "collision-protect" in self.settings.features:
collision_ignore = set([normalize_path(myignore) for myignore in \
self.settings.get("COLLISION_IGNORE", "").split()])
myfilelist = listdir(srcroot, recursive=1, filesonly=1, followSymlinks=False)
# the linkcheck only works if we are in srcroot
mycwd = getcwd()
os.chdir(srcroot)
mysymlinks = filter(os.path.islink, listdir(srcroot, recursive=1, filesonly=0, followSymlinks=False))
myfilelist.extend(mysymlinks)
mysymlinked_directories = [s + os.path.sep for s in mysymlinks]
del mysymlinks
stopmerge=False
starttime=time.time()
i=0
collisions = []
print green("*")+" checking "+str(len(myfilelist))+" files for package collisions"
for f in myfilelist:
nocheck = False
# listdir isn't intelligent enough to exclude symlinked dirs,
# so we have to do it ourself
for s in mysymlinked_directories:
if f.startswith(s):
nocheck = True
break
if nocheck:
continue
i=i+1
if i % 1000 == 0:
print str(i)+" files checked ..."
dest_path = normalize_path(
os.path.join(destroot, f.lstrip(os.path.sep)))
try:
dest_lstat = os.lstat(dest_path)
except EnvironmentError, e:
if e.errno != errno.ENOENT:
raise
del e
continue
if f[0] != "/":
f="/"+f
isowned = False
for ver in [self] + others_in_slot:
if (ver.isowner(f, destroot) or ver.isprotected(f)):
isowned = True
break
if not isowned:
collisions.append(f)
print "existing file "+f+" is not owned by this package"
stopmerge=True
if collision_ignore:
if f in collision_ignore:
stopmerge = False
else:
for myignore in collision_ignore:
if f.startswith(myignore + os.path.sep):
stopmerge = False
break
#print green("*")+" spent "+str(time.time()-starttime)+" seconds checking for file collisions"
if stopmerge:
print red("*")+" This package is blocked because it wants to overwrite"
print red("*")+" files belonging to other packages (see messages above)."
print red("*")+" If you have no clue what this is all about report it "
print red("*")+" as a bug for this package on http://bugs.gentoo.org"
print
print red("package "+self.cat+"/"+self.pkg+" NOT merged")
print
print
print "Searching all installed packages for file collisions..."
print "Press Ctrl-C to Stop"
print
""" Note: The isowner calls result in a stat call for *every*
single installed file, since the inode numbers are used to work
around the problem of ambiguous paths caused by symlinked files
and/or directories. Though it is slow, it is as accurate as
possible."""
found_owner = False
for cpv in self.vartree.dbapi.cpv_all():
cat, pkg = catsplit(cpv)
mylink = dblink(cat, pkg, destroot, self.settings,
vartree=self.vartree)
mycollisions = []
for f in collisions:
if mylink.isowner(f, destroot):
mycollisions.append(f)
if mycollisions:
found_owner = True
print " * %s:" % cpv
print
for f in mycollisions:
print " '%s'" % \
os.path.join(destroot, f.lstrip(os.path.sep))
print
if not found_owner:
print "None of the installed packages claim the above file(s)."
print
sys.exit(1)
try:
os.chdir(mycwd)
except OSError:
pass
if os.stat(srcroot).st_dev == os.stat(destroot).st_dev:
""" The merge process may move files out of the image directory,
which causes invalidation of the .installed flag."""
try:
os.unlink(os.path.join(
os.path.dirname(normalize_path(srcroot)), ".installed"))
except OSError, e:
if e.errno != errno.ENOENT:
raise
del e
self.dbdir = self.dbtmpdir
self.delete()
if not os.path.exists(self.dbtmpdir):
os.makedirs(self.dbtmpdir)
writemsg_stdout(">>> Merging %s %s %s\n" % (self.mycpv,"to",destroot))
# run preinst script
if myebuild is None:
myebuild = os.path.join(inforoot, self.pkg + ".ebuild")
a = doebuild(myebuild, "preinst", destroot, self.settings, cleanup=cleanup,
use_cache=0, tree=self.treetype, mydbapi=mydbapi,
vartree=self.vartree)
# XXX: Decide how to handle failures here.
if a != os.EX_OK:
writemsg("!!! FAILED preinst: "+str(a)+"\n", noiselevel=-1)
return a
# copy "info" files (like SLOT, CFLAGS, etc.) into the database
for x in listdir(inforoot):
self.copyfile(inforoot+"/"+x)
# get current counter value (counter_tick also takes care of incrementing it)
# XXX Need to make this destroot, but it needs to be initialized first. XXX
# XXX bis: leads to some invalidentry() call through cp_all().
counter = self.vartree.dbapi.counter_tick(self.myroot, mycpv=self.mycpv)
# write local package counter for recording
lcfile = open(self.dbtmpdir+"/COUNTER","w")
lcfile.write(str(counter))
lcfile.close()
# open CONTENTS file (possibly overwriting old one) for recording
outfile=open(self.dbtmpdir+"/CONTENTS","w")
self.updateprotect()
#if we have a file containing previously-merged config file md5sums, grab it.
conf_mem_file = os.path.join(destroot, CONFIG_MEMORY_FILE)
cfgfiledict = grabdict(conf_mem_file)
if self.settings.has_key("NOCONFMEM"):
cfgfiledict["IGNORE"]=1
else:
cfgfiledict["IGNORE"]=0
# Don't bump mtimes on merge since some application require
# preservation of timestamps. This means that the unmerge phase must
# check to see if file belongs to an installed instance in the same
# slot.
mymtime = None
# set umask to 0 for merging; back up umask, save old one in prevmask (since this is a global change)
prevmask = os.umask(0)
secondhand = []
# we do a first merge; this will recurse through all files in our srcroot but also build up a
# "second hand" of symlinks to merge later
if self.mergeme(srcroot,destroot,outfile,secondhand,"",cfgfiledict,mymtime):
return 1
# now, it's time for dealing our second hand; we'll loop until we can't merge anymore. The rest are
# broken symlinks. We'll merge them too.
lastlen=0
while len(secondhand) and len(secondhand)!=lastlen:
# clear the thirdhand. Anything from our second hand that
# couldn't get merged will be added to thirdhand.
thirdhand=[]
self.mergeme(srcroot,destroot,outfile,thirdhand,secondhand,cfgfiledict,mymtime)
#swap hands
lastlen=len(secondhand)
# our thirdhand now becomes our secondhand. It's ok to throw
# away secondhand since thirdhand contains all the stuff that
# couldn't be merged.
secondhand = thirdhand
if len(secondhand):
# force merge of remaining symlinks (broken or circular; oh well)
self.mergeme(srcroot,destroot,outfile,None,secondhand,cfgfiledict,mymtime)
#restore umask
os.umask(prevmask)
#if we opened it, close it
outfile.flush()
outfile.close()
for dblnk in others_in_slot:
if dblnk.mycpv != self.mycpv:
continue
writemsg_stdout(">>> Safely unmerging already-installed instance...\n")
self.contentscache = None
others_in_slot.append(self) # self has just been merged
others_in_slot.remove(dblnk) # dblnk will unmerge itself now
dblnk.unmerge(trimworld=0, ldpath_mtimes=prev_mtimes,
others_in_slot=others_in_slot)
writemsg_stdout(">>> Original instance of package unmerged safely.\n")
break
# We hold both directory locks.
self.dbdir = self.dbpkgdir
self.delete()
movefile(self.dbtmpdir, self.dbpkgdir, mysettings=self.settings)
contents = self.getcontents()
#write out our collection of md5sums
if cfgfiledict.has_key("IGNORE"):
del cfgfiledict["IGNORE"]
my_private_path = os.path.join(destroot, PRIVATE_PATH)
if not os.path.exists(my_private_path):
os.makedirs(my_private_path)
os.chown(my_private_path, os.getuid(), portage_gid)
os.chmod(my_private_path, 02770)
writedict(cfgfiledict, conf_mem_file)
del conf_mem_file
#do postinst script
a = doebuild(myebuild, "postinst", destroot, self.settings, use_cache=0,
tree=self.treetype, mydbapi=mydbapi, vartree=self.vartree)
# XXX: Decide how to handle failures here.
if a != os.EX_OK:
writemsg("!!! FAILED postinst: "+str(a)+"\n", noiselevel=-1)
return a
downgrade = False
for v in otherversions:
if pkgcmp(catpkgsplit(self.pkg)[1:], catpkgsplit(v)[1:]) < 0:
downgrade = True
#update environment settings, library paths. DO NOT change symlinks.
env_update(makelinks=(not downgrade),
target_root=self.settings["ROOT"], prev_mtimes=prev_mtimes,
contents=contents, env=self.settings.environ())
writemsg_stdout(">>> %s %s\n" % (self.mycpv,"merged."))
# Process ebuild logfiles
elog_process(self.mycpv, self.settings)
if "noclean" not in self.settings.features:
doebuild(myebuild, "clean", destroot, self.settings,
tree=self.treetype, mydbapi=mydbapi, vartree=self.vartree)
return os.EX_OK
def mergeme(self,srcroot,destroot,outfile,secondhand,stufftomerge,cfgfiledict,thismtime):
"""
This function handles actual merging of the package contents to the livefs.
It also handles config protection.
@param srcroot: Where are we copying files from (usually ${D})
@type srcroot: String (Path)
@param destroot: Typically ${ROOT}
@type destroot: String (Path)
@param outfile: File to log operations to
@type outfile: File Object
@param secondhand: A set of items to merge in pass two (usually
or symlinks that point to non-existing files that may get merged later)
@type secondhand: List
@param stufftomerge: Either a diretory to merge, or a list of items.
@type stufftomerge: String or List
@param cfgfiledict: { File:mtime } mapping for config_protected files
@type cfgfiledict: Dictionary
@param thismtime: The current time (typically long(time.time())
@type thismtime: Long
@rtype: None or Boolean
@returns:
1. True on failure
2. None otherwise
"""
from os.path import sep, join
srcroot = normalize_path(srcroot).rstrip(sep) + sep
destroot = normalize_path(destroot).rstrip(sep) + sep
# this is supposed to merge a list of files. There will be 2 forms of argument passing.
if type(stufftomerge)==types.StringType:
#A directory is specified. Figure out protection paths, listdir() it and process it.
mergelist = listdir(join(srcroot, stufftomerge))
offset=stufftomerge
else:
mergelist=stufftomerge
offset=""
for x in mergelist:
mysrc = join(srcroot, offset, x)
mydest = join(destroot, offset, x)
# myrealdest is mydest without the $ROOT prefix (makes a difference if ROOT!="/")
myrealdest = join(sep, offset, x)
# stat file once, test using S_* macros many times (faster that way)
try:
mystat=os.lstat(mysrc)
except OSError, e:
writemsg("\n")
writemsg(red("!!! ERROR: There appears to be ")+bold("FILE SYSTEM CORRUPTION.")+red(" A file that is listed\n"))
writemsg(red("!!! as existing is not capable of being stat'd. If you are using an\n"))
writemsg(red("!!! experimental kernel, please boot into a stable one, force an fsck,\n"))
writemsg(red("!!! and ensure your filesystem is in a sane state. ")+bold("'shutdown -Fr now'\n"))
writemsg(red("!!! File: ")+str(mysrc)+"\n", noiselevel=-1)
writemsg(red("!!! Error: ")+str(e)+"\n", noiselevel=-1)
sys.exit(1)
except Exception, e:
writemsg("\n")
writemsg(red("!!! ERROR: An unknown error has occurred during the merge process.\n"))
writemsg(red("!!! A stat call returned the following error for the following file:"))
writemsg( "!!! Please ensure that your filesystem is intact, otherwise report\n")
writemsg( "!!! this as a portage bug at bugs.gentoo.org. Append 'emerge info'.\n")
writemsg( "!!! File: "+str(mysrc)+"\n", noiselevel=-1)
writemsg( "!!! Error: "+str(e)+"\n", noiselevel=-1)
sys.exit(1)
mymode=mystat[stat.ST_MODE]
# handy variables; mydest is the target object on the live filesystems;
# mysrc is the source object in the temporary install dir
try:
mydstat = os.lstat(mydest)
mydmode = mydstat.st_mode
except OSError, e:
if e.errno != errno.ENOENT:
raise
del e
#dest file doesn't exist
mydstat = None
mydmode = None
if stat.S_ISLNK(mymode):
# we are merging a symbolic link
myabsto=abssymlink(mysrc)
if myabsto.startswith(srcroot):
myabsto=myabsto[len(srcroot):]
myabsto = myabsto.lstrip(sep)
myto=os.readlink(mysrc)
if self.settings and self.settings["D"]:
if myto.startswith(self.settings["D"]):
myto=myto[len(self.settings["D"]):]
# myrealto contains the path of the real file to which this symlink points.
# we can simply test for existence of this file to see if the target has been merged yet
myrealto = normalize_path(os.path.join(destroot, myabsto))
if mydmode!=None:
#destination exists
if not stat.S_ISLNK(mydmode):
if stat.S_ISDIR(mydmode):
# directory in the way: we can't merge a symlink over a directory
# we won't merge this, continue with next file...
continue
if os.path.exists(mysrc) and stat.S_ISDIR(os.stat(mysrc)[stat.ST_MODE]):
# Kill file blocking installation of symlink to dir #71787
pass
elif self.isprotected(mydest):
# Use md5 of the target in ${D} if it exists...
try:
newmd5 = portage_checksum.perform_md5(
join(srcroot, myabsto))
except portage_exception.FileNotFound:
# Maybe the target is merged already.
try:
newmd5 = portage_checksum.perform_md5(
myrealto)
except portage_exception.FileNotFound:
newmd5 = None
mydest = new_protect_filename(mydest,newmd5=newmd5)
# if secondhand is None it means we're operating in "force" mode and should not create a second hand.
if (secondhand!=None) and (not os.path.exists(myrealto)):
# either the target directory doesn't exist yet or the target file doesn't exist -- or
# the target is a broken symlink. We will add this file to our "second hand" and merge
# it later.
secondhand.append(mysrc[len(srcroot):])
continue
# unlinking no longer necessary; "movefile" will overwrite symlinks atomically and correctly
mymtime=movefile(mysrc,mydest,newmtime=thismtime,sstat=mystat, mysettings=self.settings)
if mymtime!=None:
writemsg_stdout(">>> %s -> %s\n" % (mydest, myto))
outfile.write("sym "+myrealdest+" -> "+myto+" "+str(mymtime)+"\n")
else:
print "!!! Failed to move file."
print "!!!",mydest,"->",myto
sys.exit(1)
elif stat.S_ISDIR(mymode):
# we are merging a directory
if mydmode!=None:
# destination exists
if bsd_chflags:
# Save then clear flags on dest.
dflags = mydstat.st_flags
if dflags != 0:
bsd_chflags.lchflags(mydest, 0)
if not os.access(mydest, os.W_OK):
pkgstuff = pkgsplit(self.pkg)
writemsg("\n!!! Cannot write to '"+mydest+"'.\n", noiselevel=-1)
writemsg("!!! Please check permissions and directories for broken symlinks.\n")
writemsg("!!! You may start the merge process again by using ebuild:\n")
writemsg("!!! ebuild "+self.settings["PORTDIR"]+"/"+self.cat+"/"+pkgstuff[0]+"/"+self.pkg+".ebuild merge\n")
writemsg("!!! And finish by running this: env-update\n\n")
return 1
if stat.S_ISLNK(mydmode) or stat.S_ISDIR(mydmode):
# a symlink to an existing directory will work for us; keep it:
writemsg_stdout("--- %s/\n" % mydest)
if bsd_chflags:
bsd_chflags.lchflags(mydest, dflags)
else:
# a non-directory and non-symlink-to-directory. Won't work for us. Move out of the way.
if movefile(mydest,mydest+".backup", mysettings=self.settings) is None:
sys.exit(1)
print "bak",mydest,mydest+".backup"
#now create our directory
if self.settings.selinux_enabled():
sid = selinux.get_sid(mysrc)
selinux.secure_mkdir(mydest,sid)
else:
os.mkdir(mydest)
if bsd_chflags:
bsd_chflags.lchflags(mydest, dflags)
os.chmod(mydest,mystat[0])
os.chown(mydest,mystat[4],mystat[5])
writemsg_stdout(">>> %s/\n" % mydest)
else:
#destination doesn't exist
if self.settings.selinux_enabled():
sid = selinux.get_sid(mysrc)
selinux.secure_mkdir(mydest,sid)
else:
os.mkdir(mydest)
os.chmod(mydest,mystat[0])
os.chown(mydest,mystat[4],mystat[5])
writemsg_stdout(">>> %s/\n" % mydest)
outfile.write("dir "+myrealdest+"\n")
# recurse and merge this directory
if self.mergeme(srcroot, destroot, outfile, secondhand,
join(offset, x), cfgfiledict, thismtime):
return 1
elif stat.S_ISREG(mymode):
# we are merging a regular file
mymd5=portage_checksum.perform_md5(mysrc,calc_prelink=1)
# calculate config file protection stuff
mydestdir=os.path.dirname(mydest)
moveme=1
zing="!!!"
mymtime = None
if mydmode!=None:
# destination file exists
if stat.S_ISDIR(mydmode):
# install of destination is blocked by an existing directory with the same name
moveme=0
writemsg_stdout("!!! %s\n" % mydest)
elif stat.S_ISREG(mydmode) or (stat.S_ISLNK(mydmode) and os.path.exists(mydest) and stat.S_ISREG(os.stat(mydest)[stat.ST_MODE])):
cfgprot=0
# install of destination is blocked by an existing regular file,
# or by a symlink to an existing regular file;
# now, config file management may come into play.
# we only need to tweak mydest if cfg file management is in play.
if self.isprotected(mydest):
# we have a protection path; enable config file management.
destmd5=portage_checksum.perform_md5(mydest,calc_prelink=1)
if mymd5==destmd5:
#file already in place; simply update mtimes of destination
moveme = 1
else:
if mymd5 == cfgfiledict.get(myrealdest, [None])[0]:
""" An identical update has previously been
merged. Skip it unless the user has chosen
--noconfmem."""
moveme = cfgfiledict["IGNORE"]
cfgprot = cfgfiledict["IGNORE"]
if not moveme:
zing = "-o-"
mymtime = long(mystat.st_mtime)
else:
moveme = 1
cfgprot = 1
if moveme:
# Merging a new file, so update confmem.
cfgfiledict[myrealdest] = [mymd5]
elif destmd5 == cfgfiledict.get(myrealdest, [None])[0]:
"""A previously remembered update has been
accepted, so it is removed from confmem."""
del cfgfiledict[myrealdest]
if cfgprot:
mydest = new_protect_filename(mydest, newmd5=mymd5)
# whether config protection or not, we merge the new file the
# same way. Unless moveme=0 (blocking directory)
if moveme:
mymtime=movefile(mysrc,mydest,newmtime=thismtime,sstat=mystat, mysettings=self.settings)
if mymtime is None:
sys.exit(1)
zing=">>>"
if mymtime!=None:
zing=">>>"
outfile.write("obj "+myrealdest+" "+mymd5+" "+str(mymtime)+"\n")
writemsg_stdout("%s %s\n" % (zing,mydest))
else:
# we are merging a fifo or device node
zing="!!!"
if mydmode is None:
# destination doesn't exist
if movefile(mysrc,mydest,newmtime=thismtime,sstat=mystat, mysettings=self.settings)!=None:
zing=">>>"
else:
sys.exit(1)
if stat.S_ISFIFO(mymode):
outfile.write("fif %s\n" % myrealdest)
else:
outfile.write("dev %s\n" % myrealdest)
writemsg_stdout(zing+" "+mydest+"\n")
def merge(self, mergeroot, inforoot, myroot, myebuild=None, cleanup=0,
mydbapi=None, prev_mtimes=None):
try:
self.lockdb()
return self.treewalk(mergeroot, myroot, inforoot, myebuild,
cleanup=cleanup, mydbapi=mydbapi, prev_mtimes=prev_mtimes)
finally:
self.unlockdb()
def getstring(self,name):
"returns contents of a file with whitespace converted to spaces"
if not os.path.exists(self.dbdir+"/"+name):
return ""
myfile=open(self.dbdir+"/"+name,"r")
mydata=myfile.read().split()
myfile.close()
return " ".join(mydata)
def copyfile(self,fname):
shutil.copyfile(fname,self.dbdir+"/"+os.path.basename(fname))
def getfile(self,fname):
if not os.path.exists(self.dbdir+"/"+fname):
return ""
myfile=open(self.dbdir+"/"+fname,"r")
mydata=myfile.read()
myfile.close()
return mydata
def setfile(self,fname,data):
write_atomic(os.path.join(self.dbdir, fname), data)
def getelements(self,ename):
if not os.path.exists(self.dbdir+"/"+ename):
return []
myelement=open(self.dbdir+"/"+ename,"r")
mylines=myelement.readlines()
myreturn=[]
for x in mylines:
for y in x[:-1].split():
myreturn.append(y)
myelement.close()
return myreturn
def setelements(self,mylist,ename):
myelement=open(self.dbdir+"/"+ename,"w")
for x in mylist:
myelement.write(x+"\n")
myelement.close()
def isregular(self):
"Is this a regular package (does it have a CATEGORY file? A dblink can be virtual *and* regular)"
return os.path.exists(self.dbdir+"/CATEGORY")
class FetchlistDict(UserDict.DictMixin):
"""This provide a mapping interface to retrieve fetch lists. It's used
to allow portage_manifest.Manifest to access fetch lists via a standard
mapping interface rather than use the dbapi directly."""
def __init__(self, pkgdir, settings, mydbapi):
"""pkgdir is a directory containing ebuilds and settings is passed into
portdbapi.getfetchlist for __getitem__ calls."""
self.pkgdir = pkgdir
self.cp = os.sep.join(pkgdir.split(os.sep)[-2:])
self.settings = settings
self.mytree = os.path.realpath(os.path.dirname(os.path.dirname(pkgdir)))
self.portdb = mydbapi
def __getitem__(self, pkg_key):
"""Returns the complete fetch list for a given package."""
return self.portdb.getfetchlist(pkg_key, mysettings=self.settings,
all=True, mytree=self.mytree)[1]
def has_key(self, pkg_key):
"""Returns true if the given package exists within pkgdir."""
return pkg_key in self.keys()
def keys(self):
"""Returns keys for all packages within pkgdir"""
return self.portdb.cp_list(self.cp, mytree=self.mytree)
def pkgmerge(mytbz2, myroot, mysettings, mydbapi=None, vartree=None, prev_mtimes=None):
"""will merge a .tbz2 file, returning a list of runtime dependencies
that must be satisfied, or None if there was a merge error. This
code assumes the package exists."""
global db
if mydbapi is None:
mydbapi = db[myroot]["bintree"].dbapi
if vartree is None:
vartree = db[myroot]["vartree"]
if mytbz2[-5:]!=".tbz2":
print "!!! Not a .tbz2 file"
return 1
tbz2_lock = None
builddir_lock = None
catdir_lock = None
try:
""" Don't lock the tbz2 file because the filesytem could be readonly or
shared by a cluster."""
#tbz2_lock = portage_locks.lockfile(mytbz2, wantnewlockfile=1)
mypkg = os.path.basename(mytbz2)[:-5]
xptbz2 = xpak.tbz2(mytbz2)
mycat = xptbz2.getfile("CATEGORY")
if not mycat:
writemsg("!!! CATEGORY info missing from info chunk, aborting...\n",
noiselevel=-1)
return 1
mycat = mycat.strip()
# These are the same directories that would be used at build time.
builddir = os.path.join(
mysettings["PORTAGE_TMPDIR"], "portage", mycat, mypkg)
catdir = os.path.dirname(builddir)
pkgloc = os.path.join(builddir, "image")
infloc = os.path.join(builddir, "build-info")
myebuild = os.path.join(
infloc, os.path.basename(mytbz2)[:-4] + "ebuild")
portage_util.ensure_dirs(os.path.dirname(catdir),
uid=portage_uid, gid=portage_gid, mode=070, mask=0)
catdir_lock = portage_locks.lockdir(catdir)
portage_util.ensure_dirs(catdir,
uid=portage_uid, gid=portage_gid, mode=070, mask=0)
builddir_lock = portage_locks.lockdir(builddir)
try:
portage_locks.unlockdir(catdir_lock)
finally:
catdir_lock = None
try:
shutil.rmtree(builddir)
except (IOError, OSError), e:
if e.errno != errno.ENOENT:
raise
del e
for mydir in (builddir, pkgloc, infloc):
portage_util.ensure_dirs(mydir, uid=portage_uid,
gid=portage_gid, mode=0755)
writemsg_stdout(">>> Extracting info\n")
xptbz2.unpackinfo(infloc)
mysettings.load_infodir(infloc)
# Store the md5sum in the vdb.
fp = open(os.path.join(infloc, "BINPKGMD5"), "w")
fp.write(str(portage_checksum.perform_md5(mytbz2))+"\n")
fp.close()
debug = mysettings.get("PORTAGE_DEBUG", "") == "1"
# Eventually we'd like to pass in the saved ebuild env here.
retval = doebuild(myebuild, "setup", myroot, mysettings, debug=debug,
tree="bintree", mydbapi=mydbapi, vartree=vartree)
if retval != os.EX_OK:
writemsg("!!! Setup failed: %s\n" % retval, noiselevel=-1)
return retval
writemsg_stdout(">>> Extracting %s\n" % mypkg)
retval = portage_exec.spawn_bash(
"bzip2 -dqc -- '%s' | tar -xp -C '%s' -f -" % (mytbz2, pkgloc),
env=mysettings.environ())
if retval != os.EX_OK:
writemsg("!!! Error Extracting '%s'\n" % mytbz2, noiselevel=-1)
return retval
#portage_locks.unlockfile(tbz2_lock)
#tbz2_lock = None
mylink = dblink(mycat, mypkg, myroot, mysettings, vartree=vartree,
treetype="bintree")
retval = mylink.merge(pkgloc, infloc, myroot, myebuild, cleanup=0,
mydbapi=mydbapi, prev_mtimes=prev_mtimes)
return retval
finally:
if tbz2_lock:
portage_locks.unlockfile(tbz2_lock)
if builddir_lock:
try:
shutil.rmtree(builddir)
except (IOError, OSError), e:
if e.errno != errno.ENOENT:
raise
del e
portage_locks.unlockdir(builddir_lock)
try:
if not catdir_lock:
# Lock catdir for removal if empty.
catdir_lock = portage_locks.lockdir(catdir)
finally:
if catdir_lock:
try:
os.rmdir(catdir)
except OSError, e:
if e.errno not in (errno.ENOENT,
errno.ENOTEMPTY, errno.EEXIST):
raise
del e
portage_locks.unlockdir(catdir_lock)
def deprecated_profile_check():
if not os.access(DEPRECATED_PROFILE_FILE, os.R_OK):
return False
deprecatedfile = open(DEPRECATED_PROFILE_FILE, "r")
dcontent = deprecatedfile.readlines()
deprecatedfile.close()
newprofile = dcontent[0]
writemsg(red("\n!!! Your current profile is deprecated and not supported anymore.\n"),
noiselevel=-1)
writemsg(red("!!! Please upgrade to the following profile if possible:\n"),
noiselevel=-1)
writemsg(8*" "+green(newprofile)+"\n", noiselevel=-1)
if len(dcontent) > 1:
writemsg("To upgrade do the following steps:\n", noiselevel=-1)
for myline in dcontent[1:]:
writemsg(myline, noiselevel=-1)
writemsg("\n\n", noiselevel=-1)
return True
# gets virtual package settings
def getvirtuals(myroot):
global settings
writemsg("--- DEPRECATED call to getvirtual\n")
return settings.getvirtuals(myroot)
def commit_mtimedb(mydict=None, filename=None):
if mydict is None:
global mtimedb
if "mtimedb" not in globals() or mtimedb is None:
return
mtimedb.commit()
return
if filename is None:
global mtimedbfile
filename = mtimedbfile
mydict["version"] = VERSION
d = {} # for full backward compat, pickle it as a plain dict object.
d.update(mydict)
try:
f = atomic_ofstream(filename)
cPickle.dump(d, f, -1)
f.close()
portage_util.apply_secpass_permissions(filename, uid=uid, gid=portage_gid, mode=0664)
except (IOError, OSError), e:
pass
def portageexit():
global uid,portage_gid,portdb,db
if secpass and not os.environ.has_key("SANDBOX_ACTIVE"):
close_portdbapi_caches()
commit_mtimedb()
atexit_register(portageexit)
def _global_updates(trees, prev_mtimes):
"""
Perform new global updates if they exist in $PORTDIR/profiles/updates/.
@param trees: A dictionary containing portage trees.
@type trees: dict
@param prev_mtimes: A dictionary containing mtimes of files located in
$PORTDIR/profiles/updates/.
@type prev_mtimes: dict
@rtype: None or List
@return: None if no were no updates, otherwise a list of update commands
that have been performed.
"""
# only do this if we're root and not running repoman/ebuild digest
global secpass
if secpass < 2 or "SANDBOX_ACTIVE" in os.environ:
return
mysettings = trees["/"]["vartree"].settings
updpath = os.path.join(mysettings["PORTDIR"], "profiles", "updates")
try:
if mysettings["PORTAGE_CALLER"] == "fixpackages":
update_data = grab_updates(updpath)
else:
update_data = grab_updates(updpath, prev_mtimes)
except portage_exception.DirectoryNotFound:
writemsg("--- 'profiles/updates' is empty or not available. Empty portage tree?\n")
return
myupd = None
if len(update_data) > 0:
do_upgrade_packagesmessage = 0
myupd = []
timestamps = {}
for mykey, mystat, mycontent in update_data:
writemsg_stdout("\n\n")
writemsg_stdout(green("Performing Global Updates: ")+bold(mykey)+"\n")
writemsg_stdout("(Could take a couple of minutes if you have a lot of binary packages.)\n")
writemsg_stdout(" "+bold(".")+"='update pass' "+bold("*")+"='binary update' "+bold("@")+"='/var/db move'\n"+" "+bold("s")+"='/var/db SLOT move' "+bold("S")+"='binary SLOT move' "+bold("p")+"='update /etc/portage/package.*'\n")
valid_updates, errors = parse_updates(mycontent)
myupd.extend(valid_updates)
writemsg_stdout(len(valid_updates) * "." + "\n")
if len(errors) == 0:
# Update our internal mtime since we
# processed all of our directives.
timestamps[mykey] = long(mystat.st_mtime)
else:
for msg in errors:
writemsg("%s\n" % msg, noiselevel=-1)
update_config_files("/",
mysettings.get("CONFIG_PROTECT","").split(),
mysettings.get("CONFIG_PROTECT_MASK","").split(),
myupd)
trees["/"]["bintree"] = binarytree("/", mysettings["PKGDIR"],
settings=mysettings)
vardb = trees["/"]["vartree"].dbapi
bindb = trees["/"]["bintree"].dbapi
if not os.access(bindb.bintree.pkgdir, os.W_OK):
bindb = None
for update_cmd in myupd:
if update_cmd[0] == "move":
moves = vardb.move_ent(update_cmd)
if moves:
writemsg_stdout(moves * "@")
if bindb:
moves = bindb.move_ent(update_cmd)
if moves:
writemsg_stdout(moves * "%")
elif update_cmd[0] == "slotmove":
moves = vardb.move_slot_ent(update_cmd)
if moves:
writemsg_stdout(moves * "s")
if bindb:
moves = bindb.move_slot_ent(update_cmd)
if moves:
writemsg_stdout(moves * "S")
# The above global updates proceed quickly, so they
# are considered a single mtimedb transaction.
if len(timestamps) > 0:
# We do not update the mtime in the mtimedb
# until after _all_ of the above updates have
# been processed because the mtimedb will
# automatically commit when killed by ctrl C.
for mykey, mtime in timestamps.iteritems():
prev_mtimes[mykey] = mtime
# We gotta do the brute force updates for these now.
if mysettings["PORTAGE_CALLER"] == "fixpackages" or \
"fixpackages" in mysettings.features:
def onProgress(maxval, curval):
writemsg_stdout("*")
vardb.update_ents(myupd, onProgress=onProgress)
if bindb:
bindb.update_ents(myupd, onProgress=onProgress)
else:
do_upgrade_packagesmessage = 1
# Update progress above is indicated by characters written to stdout so
# we print a couple new lines here to separate the progress output from
# what follows.
print
print
if do_upgrade_packagesmessage and bindb and \
bindb.cpv_all():
writemsg_stdout(" ** Skipping packages. Run 'fixpackages' or set it in FEATURES to fix the")
writemsg_stdout("\n tbz2's in the packages directory. "+bold("Note: This can take a very long time."))
writemsg_stdout("\n")
if myupd:
return myupd
#continue setting up other trees
class MtimeDB(dict):
def __init__(self, filename):
dict.__init__(self)
self.filename = filename
self._load(filename)
def _load(self, filename):
try:
f = open(filename)
mypickle = cPickle.Unpickler(f)
mypickle.find_global = None
d = mypickle.load()
f.close()
del f
except (IOError, OSError, EOFError, cPickle.UnpicklingError):
d = {}
if "old" in d:
d["updates"] = d["old"]
del d["old"]
if "cur" in d:
del d["cur"]
d.setdefault("starttime", 0)
d.setdefault("version", "")
for k in ("info", "ldpath", "updates"):
d.setdefault(k, {})
mtimedbkeys = set(("info", "ldpath", "resume", "resume_backup",
"starttime", "updates", "version"))
for k in d.keys():
if k not in mtimedbkeys:
writemsg("Deleting invalid mtimedb key: %s\n" % str(k))
del d[k]
self.update(d)
self._clean_data = copy.deepcopy(d)
def commit(self):
if not self.filename:
return
d = {}
d.update(self)
# Only commit if the internal state has changed.
if d != self._clean_data:
commit_mtimedb(mydict=d, filename=self.filename)
self._clean_data = copy.deepcopy(d)
def create_trees(config_root=None, target_root=None, trees=None):
if trees is None:
trees = {}
else:
# clean up any existing portdbapi instances
for myroot in trees:
portdb = trees[myroot]["porttree"].dbapi
portdb.close_caches()
portdbapi.portdbapi_instances.remove(portdb)
del trees[myroot]["porttree"], myroot, portdb
settings = config(config_root=config_root, target_root=target_root,
config_incrementals=portage_const.INCREMENTALS)
settings.lock()
settings.validate()
myroots = [(settings["ROOT"], settings)]
if settings["ROOT"] != "/":
settings = config(config_root=None, target_root=None,
config_incrementals=portage_const.INCREMENTALS)
settings.lock()
settings.validate()
myroots.append((settings["ROOT"], settings))
for myroot, mysettings in myroots:
trees[myroot] = portage_util.LazyItemsDict(trees.get(myroot, None))
trees[myroot].addLazySingleton("virtuals", mysettings.getvirtuals, myroot)
trees[myroot].addLazySingleton(
"vartree", vartree, myroot, categories=mysettings.categories,
settings=mysettings)
trees[myroot].addLazySingleton("porttree",
portagetree, myroot, settings=mysettings)
trees[myroot].addLazySingleton("bintree",
binarytree, myroot, mysettings["PKGDIR"], settings=mysettings)
return trees
# Initialization of legacy globals. No functions/classes below this point
# please! When the above functions and classes become independent of the
# below global variables, it will be possible to make the below code
# conditional on a backward compatibility flag (backward compatibility could
# be disabled via an environment variable, for example). This will enable new
# code that is aware of this flag to import portage without the unnecessary
# overhead (and other issues!) of initializing the legacy globals.
def init_legacy_globals():
global db, settings, root, portdb, selinux_enabled, mtimedbfile, mtimedb, \
archlist, features, groups, pkglines, thirdpartymirrors, usedefaults, \
profiledir, flushmtimedb
# Portage needs to ensure a sane umask for the files it creates.
os.umask(022)
kwargs = {}
for k, envvar in (("config_root", "PORTAGE_CONFIGROOT"), ("target_root", "ROOT")):
kwargs[k] = os.environ.get(envvar, "/")
db = create_trees(**kwargs)
settings = db["/"]["vartree"].settings
portdb = db["/"]["porttree"].dbapi
for myroot in db:
if myroot != "/":
settings = db[myroot]["vartree"].settings
portdb = db[myroot]["porttree"].dbapi
break
root = settings["ROOT"]
mtimedbfile = os.path.join("/", CACHE_PATH.lstrip(os.path.sep), "mtimedb")
mtimedb = MtimeDB(mtimedbfile)
# ========================================================================
# COMPATIBILITY
# These attributes should not be used
# within Portage under any circumstances.
# ========================================================================
archlist = settings.archlist()
features = settings.features
groups = settings["ACCEPT_KEYWORDS"].split()
pkglines = settings.packages
selinux_enabled = settings.selinux_enabled()
thirdpartymirrors = settings.thirdpartymirrors()
usedefaults = settings.use_defs
profiledir = None
if os.path.isdir(PROFILE_PATH):
profiledir = PROFILE_PATH
def flushmtimedb(record):
writemsg("portage.flushmtimedb() is DEPRECATED\n")
# ========================================================================
# COMPATIBILITY
# These attributes should not be used
# within Portage under any circumstances.
# ========================================================================
# WARNING!
# The PORTAGE_LEGACY_GLOBALS environment variable is reserved for internal
# use within Portage. External use of this variable is unsupported because
# it is experimental and it's behavior is likely to change.
if "PORTAGE_LEGACY_GLOBALS" not in os.environ:
init_legacy_globals()
# Clear the cache
dircache={}
# ============================================================================
# ============================================================================
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