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-rwxr-xr-xbin/emaint111
1 files changed, 111 insertions, 0 deletions
diff --git a/bin/emaint b/bin/emaint
new file mode 100755
index 000000000..80a71a727
--- /dev/null
+++ b/bin/emaint
@@ -0,0 +1,111 @@
+#!/usr/bin/python -O
+
+import sys
+from copy import copy
+from optparse import OptionParser, OptionValueError
+
+
+
+import os, portage, portage_const
+class WorldHandler(object):
+
+ def name():
+ return "world"
+ name = staticmethod(name)
+
+ def __init__(self):
+ self.invalid = []
+ self.not_installed = []
+ self.unavailable = []
+ self.okay = []
+ self.found = os.access(portage_const.WORLD_FILE, os.R_OK)
+
+ for atom in open(portage_const.WORLD_FILE).read().split():
+ if not portage.isvalidatom(atom):
+ self.invalid.append(atom)
+ elif not portage.db["/"]["vartree"].dbapi.match(atom):
+ self.not_installed.append(atom)
+ elif not portage.db["/"]["porttree"].dbapi.match(atom):
+ self.unavailable.append(atom)
+ else:
+ self.okay.append(atom)
+
+ def check(self):
+ errors = []
+ if self.found:
+ errors += map(lambda x: "'%s' is not a valid atom" % x, self.invalid)
+ errors += map(lambda x: "'%s' is not installed" % x, self.not_installed)
+ errors += map(lambda x: "'%s' has no ebuilds available" % x, self.unavailable)
+ else:
+ errors.append(portage_const.WORLD_FILE + " could not be opened for reading")
+ return errors
+
+ def fix(self):
+ errors = []
+ try:
+ open(portage_const.WORLD_FILE, "w").write("\n".join(self.okay))
+ except OSError:
+ errors.append(portage_const.WORLD_FILE + " could not be opened for writing")
+ return errors
+
+
+modules = {"world" : WorldHandler}
+
+
+module_names = modules.keys()
+module_names.sort()
+module_names.insert(0, "all")
+
+
+def exclusive(option, value, empty, parser, var=None):
+ if not var:
+ raise ValueError("var not specified to exclusive()")
+ if getattr(parser, var, ""):
+ raise OptionValueError("%s and %s are exclusive options" % (getattr(parser, var), value))
+ setattr(parser, var, value)
+
+
+usage = "usage: emaint [options] " + " | ".join(module_names)
+parser = OptionParser(usage=usage)
+parser.add_option("-c", "--check", help="check for problems",
+ action="callback", callback=exclusive, callback_kwargs={"var":"action"})
+parser.add_option("-f", "--fix", help="attempt to fix problems",
+ action="callback", callback=exclusive, callback_kwargs={"var":"action"})
+parser.action = None
+
+
+(options, args) = parser.parse_args()
+if len(args) != 1:
+ parser.error("Incorrect number of arguments")
+if args[0] not in module_names:
+ parser.error("%s target is not a known target" % args[0])
+
+if parser.action:
+ action = parser.action
+else:
+ print "Defaulting to --check"
+ action = "--check"
+
+if args[0] == "all":
+ tasks = modules.values()
+else:
+ tasks = [modules[args[0]]]
+
+
+if action == "--check":
+ status = "Checking %s for problems"
+ func = "check"
+else:
+ status = "Attempting to fix %s"
+ func = "fix"
+
+
+for task in tasks:
+ print status % task.name()
+ inst = task()
+ result = getattr(inst, func)()
+ if result:
+ print
+ print "\n".join(result)
+ print "\n"
+