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# $Id$
#
# Nasty hack to generate debian/changelog entries from subversion.
# This is useful to the extent that it allows us to generate new
# packages automatically with version numbers corresponding to
# subversion revisions; the human-readable part of the changelog may
# or may not be all that useful
#
#
# Copyright (C) 2013 Internet Systems Consortium, Inc. ("ISC")
#
# 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 ISC DISCLAIMS ALL WARRANTIES WITH
# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
# AND FITNESS. IN NO EVENT SHALL ISC 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.
import debian.changelog
import email.utils
import subprocess
import textwrap
import time
import calendar
import errno
import os
try:
from lxml.etree import XML
except ImportError:
from xml.etree.ElementTree import XML
fn = "debian/changelog"
ignore_trivial_changes = False
trivial_changes = ("Pull from trunk.", "Merge from trunk.", "Checkpoint.", "Cleanup.")
# Fill this in (somehow) with real email addresses if and when we
# care. Right now we only care to the extent that failing to comply
# with the required syntax breaks package builds.
author_map = {}
author_default_format = "%s <%s@rpki.net>"
# Main
changelog = debian.changelog.Changelog()
try:
with open(fn) as f:
changelog.parse_changelog(f)
latest = int(str(changelog.version).split(".")[1])
print "Parsed", fn, "latest change", latest
except IOError, e:
if e.errno == errno.ENOENT:
print fn, "not found, starting new changelog"
latest = 0
else:
raise
print "Pulling change list from subversion"
svn = XML(subprocess.check_output(("svn", "log", "--xml", "--revision", "%s:COMMITTED" % (latest + 1))))
first_wrapper = textwrap.TextWrapper(initial_indent = " * ", subsequent_indent = " ")
rest_wrapper = textwrap.TextWrapper(initial_indent = " ", subsequent_indent = " ")
changed = 0
print "Generating new change entries"
for elt in svn.findall("logentry"):
msg = elt.findtext("msg")
author = elt.findtext("author")
if ignore_trivial_changes and (msg in trivial_changes or msg + "." in trivial_changes):
continue
author = author_map.get(author, author_default_format % (author, author))
changelog.new_block(
package = changelog.package,
version = "0." + elt.get("revision"),
distributions = changelog.distributions,
urgency = changelog.urgency,
author = author,
date = email.utils.formatdate(calendar.timegm(time.strptime(elt.findtext("date"),
"%Y-%m-%dT%H:%M:%S.%fZ"))))
changelog.add_change("\n\n".join((rest_wrapper if i else first_wrapper).fill(s)
for i, s in enumerate(msg.split("\n\n"))))
changed += 1
if changed:
print changed, "new entries"
with open(fn + ".new", "w") as f:
print "Writing", f.name
changelog.write_to_open_file(f)
print "Renaming %s.new to %s" % (fn, fn)
os.rename(fn + ".new", fn)
else:
print "No changes"
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