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path: root/MgaRepo/commands/rpmlog.py
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#!/usr/bin/python
#
# This program will convert the output of "svn log" to be suitable
# for usage in an rpm %changelog session.
#
from MgaRepo import Error, layout, disable_mirror
from MgaRepo.command import *
from MgaRepo.svn import SVN
from MgaRepo.log import get_changelog, split_spec_changelog
from cStringIO import StringIO
import getopt
import os
import sys

HELP = """\
Usage: mgarepo rpmlog [OPTIONS] REPPKGDIRURL

Prints the RPM changelog of a given package.

Options:
    -r REV   Collect logs from given revision to revision 0
    -n NUM   Output only last NUM entries
    -T FILE  %changelog template file to be used
    -o       Append old package changelog
    -p       Append changelog found in .spec file
    -s       Sort changelog entries, even from the old log
    -M       Do not use the mirror (use the main repository)
    -h       Show this message

Examples:
    mgarepo rpmlog python
    mgarepo rpmlog svn://svn.mageia.org/svn/packages/cauldron/python/current
"""

def parse_options():
    parser = OptionParser(help=HELP)
    parser.add_option("-r", dest="revision")
    parser.add_option("-n", dest="size", type="int")
    parser.add_option("-T", "--template", dest="template", type="string")
    parser.add_option("-o", dest="oldlog", default=False,
            action="store_true")
    parser.add_option("-p", dest="usespec", default=False,
            action="store_true")
    parser.add_option("-s", dest="sort", default=False,
            action="store_true")
    parser.add_option("-M", "--no-mirror", action="callback",
            callback=disable_mirror)
    opts, args = parser.parse_args()
    if len(args) != 1:
        raise Error, "invalid arguments"
    opts.pkgdirurl = layout.package_url(args[0])
    return opts

def rpmlog(pkgdirurl, revision, size, template, oldlog, usespec, sort):
    another = None
    if usespec:
        svn = SVN()
        specurl = layout.package_spec_url(pkgdirurl)
        rawspec = svn.cat(specurl, rev=revision)
        spec, another = split_spec_changelog(StringIO(rawspec))
    newlog = get_changelog(pkgdirurl, another=another, rev=revision,
            size=size, sort=sort, template=template, oldlog=oldlog)
    sys.stdout.writelines(newlog)

def main():
    do_command(parse_options, rpmlog)

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