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# Copyright 1999-2010 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
import gzip
import tempfile
from _emerge.BinpkgEnvExtractor import BinpkgEnvExtractor
from _emerge.MiscFunctionsProcess import MiscFunctionsProcess
from _emerge.EbuildProcess import EbuildProcess
from _emerge.CompositeTask import CompositeTask
from portage.util import writemsg
import portage
portage.proxy.lazyimport.lazyimport(globals(),
'portage.elog:messages@elog_messages',
'portage.package.ebuild.doebuild:_check_build_log,' + \
'_post_phase_cmds,_post_phase_userpriv_perms,' + \
'_post_src_install_chost_fix,' + \
'_post_src_install_uid_fix'
)
from portage import os
from portage import StringIO
from portage import _encodings
from portage import _unicode_decode
from portage import _unicode_encode
class EbuildPhase(CompositeTask):
__slots__ = ("actionmap", "phase", "settings")
def _start(self):
if self.phase == 'setup':
use = self.settings.get('PORTAGE_BUILT_USE')
if use is None:
use = self.settings['PORTAGE_USE']
msg = []
msg.append("CPV: %s" % self.settings.mycpv)
msg.append("REPO: %s" % self.settings['PORTAGE_REPO_NAME'])
msg.append("USE: %s" % use)
self._elog('einfo', msg)
if self.phase == 'prerm':
env_extractor = BinpkgEnvExtractor(background=self.background,
scheduler=self.scheduler, settings=self.settings)
if env_extractor.saved_env_exists():
self._start_task(env_extractor, self._env_extractor_exit)
return
# If the environment.bz2 doesn't exist, then ebuild.sh will
# source the ebuild as a fallback.
self._start_ebuild()
def _env_extractor_exit(self, env_extractor):
if self._default_exit(env_extractor) != os.EX_OK:
self.wait()
return
self._start_ebuild()
def _start_ebuild(self):
# Don't open the log file during the clean phase since the
# open file can result in an nfs lock on $T/build.log which
# prevents the clean phase from removing $T.
logfile = self.settings.get("PORTAGE_LOG_FILE")
if self.phase in ("clean", "cleanrm"):
logfile = None
ebuild_process = EbuildProcess(actionmap=self.actionmap,
background=self.background, logfile=logfile,
phase=self.phase, scheduler=self.scheduler,
settings=self.settings)
self._start_task(ebuild_process, self._ebuild_exit)
def _ebuild_exit(self, ebuild_process):
fail = False
if self._default_exit(ebuild_process) != os.EX_OK:
if self.phase == "test" and \
"test-fail-continue" in self.settings.features:
pass
else:
fail = True
if not fail:
self.returncode = None
if self.phase == "install":
out = portage.StringIO()
_check_build_log(self.settings, out=out)
msg = _unicode_decode(out.getvalue(),
encoding=_encodings['content'], errors='replace')
self.scheduler.output(msg,
log_path=self.settings.get("PORTAGE_LOG_FILE"))
if fail:
self._die_hooks()
return
settings = self.settings
_post_phase_userpriv_perms(settings)
if self.phase == "install":
out = portage.StringIO()
_post_src_install_chost_fix(settings)
_post_src_install_uid_fix(settings, out)
msg = _unicode_decode(out.getvalue(),
encoding=_encodings['content'], errors='replace')
if msg:
self.scheduler.output(msg,
log_path=self.settings.get("PORTAGE_LOG_FILE"))
post_phase_cmds = _post_phase_cmds.get(self.phase)
if post_phase_cmds is not None:
logfile = settings.get("PORTAGE_LOG_FILE")
if logfile is not None and self.phase in ("install",):
# Log to a temporary file, since the code we are running
# reads PORTAGE_LOG_FILE for QA checks, and we want to
# avoid annoying "gzip: unexpected end of file" messages
# when FEATURES=compress-build-logs is enabled.
fd, logfile = tempfile.mkstemp()
os.close(fd)
post_phase = MiscFunctionsProcess(background=self.background,
commands=post_phase_cmds, logfile=logfile, phase=self.phase,
scheduler=self.scheduler, settings=settings)
self._start_task(post_phase, self._post_phase_exit)
return
# this point is not reachable if there was a failure and
# we returned for die_hooks above, so returncode must
# indicate success (especially if ebuild_process.returncode
# is unsuccessful and test-fail-continue came into play)
self.returncode = os.EX_OK
self._current_task = None
self.wait()
def _post_phase_exit(self, post_phase):
self._assert_current(post_phase)
log_path = self.settings.get("PORTAGE_LOG_FILE")
if post_phase.logfile is not None and \
post_phase.logfile != log_path:
# We were logging to a temp file (see above), so append
# temp file to main log and remove temp file.
self._append_temp_log(post_phase.logfile, log_path)
if self._final_exit(post_phase) != os.EX_OK:
writemsg("!!! post %s failed; exiting.\n" % self.phase,
noiselevel=-1)
self._die_hooks()
return
self._current_task = None
self.wait()
return
def _append_temp_log(self, temp_log, log_path):
temp_file = open(_unicode_encode(temp_log,
encoding=_encodings['fs'], errors='strict'), 'rb')
log_file = self._open_log(log_path)
for line in temp_file:
log_file.write(line)
temp_file.close()
log_file.close()
os.unlink(temp_log)
def _open_log(self, log_path):
f = open(_unicode_encode(log_path,
encoding=_encodings['fs'], errors='strict'),
mode='ab')
if log_path.endswith('.gz'):
f = gzip.GzipFile(filename='', mode='ab', fileobj=f)
return f
def _die_hooks(self):
self.returncode = None
phase = 'die_hooks'
die_hooks = MiscFunctionsProcess(background=self.background,
commands=[phase], phase=phase,
scheduler=self.scheduler, settings=self.settings)
self._start_task(die_hooks, self._die_hooks_exit)
def _die_hooks_exit(self, die_hooks):
if self.phase != 'clean' and \
'noclean' not in self.settings.features and \
'fail-clean' in self.settings.features:
self._default_exit(die_hooks)
self._fail_clean()
return
self._final_exit(die_hooks)
self.returncode = 1
self.wait()
def _fail_clean(self):
self.returncode = None
portage.elog.elog_process(self.settings.mycpv, self.settings)
phase = "clean"
clean_phase = EbuildPhase(background=self.background,
phase=phase, scheduler=self.scheduler, settings=self.settings)
self._start_task(clean_phase, self._fail_clean_exit)
return
def _fail_clean_exit(self, clean_phase):
self._final_exit(clean_phase)
self.returncode = 1
self.wait()
def _elog(self, elog_funcname, lines):
out = StringIO()
phase = self.phase
elog_func = getattr(elog_messages, elog_funcname)
global_havecolor = portage.output.havecolor
try:
portage.output.havecolor = \
self.settings.get('NOCOLOR', 'false').lower() in ('no', 'false')
for line in lines:
elog_func(line, phase=phase, key=self.settings.mycpv, out=out)
finally:
portage.output.havecolor = global_havecolor
msg = _unicode_decode(out.getvalue(),
encoding=_encodings['content'], errors='replace')
if msg:
self.scheduler.output(msg,
log_path=self.settings.get("PORTAGE_LOG_FILE"))
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