source: soft/build_system/build_system/bm/trunk/bmclean @ 1

#!/usr/bin/python
from BuildManager.optionparser import *
from BuildManager.clean import *
from BuildManager import *
import fnmatch
import logging
import sys, os
import pwd

AUTHOR  = "Gustavo Niemeyer <niemeyer@conectiva.com>"
VERSION = "2.2"

def parse_options():
    parser = OptionParser("%prog [OPTIONS] <srpm files>",
                          version="%prog "+VERSION)
    parser.add_option("--remove", action="store_true",
                      help="remove old packages (default)")
    parser.add_option("--move", metavar="DIR",
                              help="move old packages to given directory")
    parser.add_option("--copy", metavar="DIR",
                              help="copy old packages to given directory")
    parser.add_option("--check", metavar="DIR", action="append", default=[],
                              help="check given directory for newer pkgs, "
                           "but don't remove files there")

    parser.add_option("--dryrun", dest="dryrun", action="store_true",
                      help="do not commit changes to the system")
    parser.add_option("--log", dest="loglevel", metavar="LEVEL",
                      help="set logging level to LEVEL (debug, info, "
                           "warning, error)", default="info")
    opts, args = parser.parse_args()
    opts.args = args

    if not opts.args:
        raise Error, "you must specify one or more files to process"

    actions = 0
    if opts.remove:
        actions += 1
    if opts.copy:
        actions += 1
    if opts.move:
        actions += 1

    if actions > 1:
        raise Error, "you can't specify more than one action to perform"

    for attr in ["move", "copy", "check"]:
        attrval = getattr(opts, attr)
        error = False
        if type(attrval) is list:
            for attrval in attrval:
                if attrval and not os.path.isdir(attrval):
                    error = True
                    break
        else:
            if attrval and not os.path.isdir(attrval):
                error = True
        if error:
            raise Error, "value of --%s must be a directory" \
                         % attr.replace("_", "-")

    return opts

def main():
    # Get the right $HOME, even when using sudo.
    if os.getuid() == 0:
        os.environ["HOME"] = pwd.getpwuid(0)[5]
    try:
        opts = parse_options()
        logger.setLevel(logging.getLevelName(opts.loglevel.upper()))
        logger.debug("starting bmclean")
        cleaner = PackageCleaner(opts)
        status = cleaner.run()
    except Error, e:
        logger.error(str(e))
        logger.debug("finishing bmclean with error")
        sys.exit(1)
    else:
        logger.debug("finishing bmclean")
        sys.exit(int(not status))

if __name__ == "__main__":
    main()

# vim:et:ts=4:sw=4