mirror of
https://git.launchpad.net/ubuntu-dev-tools
synced 2025-03-12 15:41:09 +00:00
134 lines
4.3 KiB
Python
Executable File
134 lines
4.3 KiB
Python
Executable File
#!/usr/bin/python3
|
|
# pull-debian-debdiff - find and download a specific version of a Debian
|
|
# package and its immediate parent to generate a debdiff.
|
|
#
|
|
# Copyright (C) 2010-2011, Stefano Rivera <stefanor@ubuntu.com>
|
|
# Inspired by a tool of the same name by Kees Cook.
|
|
#
|
|
# Permission to use, copy, modify, and/or distribute this software for any
|
|
# purpose with or without fee is hereby granted, provided that the above
|
|
# copyright notice and this permission notice appear in all copies.
|
|
#
|
|
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
|
|
# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
|
|
# AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
|
|
# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
|
|
# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
|
|
# OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
|
|
# PERFORMANCE OF THIS SOFTWARE.
|
|
|
|
# pylint: disable=invalid-name
|
|
# pylint: enable=invalid-name
|
|
|
|
import optparse
|
|
import sys
|
|
|
|
import debian.changelog
|
|
|
|
from ubuntutools import getLogger
|
|
from ubuntutools.archive import DebianSourcePackage, DownloadError
|
|
from ubuntutools.config import UDTConfig
|
|
from ubuntutools.version import Version
|
|
|
|
Logger = getLogger()
|
|
|
|
|
|
def previous_version(package, version, distance):
|
|
"Given an (extracted) package, determine the version distance versions ago"
|
|
upver = Version(version).upstream_version
|
|
filename = "%s-%s/debian/changelog" % (package, upver)
|
|
changelog_file = open(filename, "r")
|
|
changelog = debian.changelog.Changelog(changelog_file.read())
|
|
changelog_file.close()
|
|
seen = 0
|
|
for entry in changelog:
|
|
if entry.distributions == "UNRELEASED":
|
|
continue
|
|
if seen == distance:
|
|
return entry.version.full_version
|
|
seen += 1
|
|
return False
|
|
|
|
|
|
def main():
|
|
parser = optparse.OptionParser("%prog [options] <package> <version> [distance]")
|
|
parser.add_option(
|
|
"-f",
|
|
"--fetch",
|
|
dest="fetch_only",
|
|
default=False,
|
|
action="store_true",
|
|
help="Only fetch the source packages, don't diff.",
|
|
)
|
|
parser.add_option(
|
|
"-d",
|
|
"--debian-mirror",
|
|
metavar="DEBIAN_MIRROR",
|
|
dest="debian_mirror",
|
|
help="Preferred Debian mirror (default: http://deb.debian.org/debian)",
|
|
)
|
|
parser.add_option(
|
|
"-s",
|
|
"--debsec-mirror",
|
|
metavar="DEBSEC_MIRROR",
|
|
dest="debsec_mirror",
|
|
help="Preferred Debian Security mirror (default: http://security.debian.org)",
|
|
)
|
|
parser.add_option(
|
|
"--no-conf",
|
|
dest="no_conf",
|
|
default=False,
|
|
action="store_true",
|
|
help="Don't read config files or environment variables",
|
|
)
|
|
|
|
opts, args = parser.parse_args()
|
|
if len(args) < 2:
|
|
parser.error("Must specify package and version")
|
|
elif len(args) > 3:
|
|
parser.error("Too many arguments")
|
|
package = args[0]
|
|
version = args[1]
|
|
distance = int(args[2]) if len(args) > 2 else 1
|
|
|
|
config = UDTConfig(opts.no_conf)
|
|
if opts.debian_mirror is None:
|
|
opts.debian_mirror = config.get_value("DEBIAN_MIRROR")
|
|
if opts.debsec_mirror is None:
|
|
opts.debsec_mirror = config.get_value("DEBSEC_MIRROR")
|
|
mirrors = [opts.debsec_mirror, opts.debian_mirror]
|
|
|
|
Logger.info("Downloading %s %s", package, version)
|
|
|
|
newpkg = DebianSourcePackage(package, version, mirrors=mirrors)
|
|
try:
|
|
newpkg.pull()
|
|
except DownloadError as e:
|
|
Logger.error("Failed to download: %s", str(e))
|
|
sys.exit(1)
|
|
newpkg.unpack()
|
|
|
|
if opts.fetch_only:
|
|
sys.exit(0)
|
|
|
|
oldversion = previous_version(package, version, distance)
|
|
if not oldversion:
|
|
Logger.error("No previous version could be found")
|
|
sys.exit(1)
|
|
Logger.info("Downloading %s %s", package, oldversion)
|
|
|
|
oldpkg = DebianSourcePackage(package, oldversion, mirrors=mirrors)
|
|
try:
|
|
oldpkg.pull()
|
|
except DownloadError as e:
|
|
Logger.error("Failed to download: %s", str(e))
|
|
sys.exit(1)
|
|
Logger.info("file://" + oldpkg.debdiff(newpkg, diffstat=True))
|
|
|
|
|
|
if __name__ == "__main__":
|
|
try:
|
|
main()
|
|
except KeyboardInterrupt:
|
|
Logger.info("User abort.")
|