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merge-debian-changelogs
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merge-debian-changelogs
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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# Packaging Scripts
# Copyright (C) 2021-2024 by Thomas Dreibholz
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# Contact: [email protected]
#
import glob
import os
import re
import sys
import time
# ====== Handle arguments ==================================================
if len(sys.argv) < 3:
sys.stderr.write('Usage: ' + sys.argv[0] + ' ppa_changelog distribution_changelog\n')
sys.exit(1)
changelogNamePPA = sys.argv[1]
changelogNameDistribution = sys.argv[2]
changelogFilePPA = open(changelogNamePPA, 'r', encoding='utf-8')
changelogFileDistribution = open(changelogNameDistribution, 'r', encoding='utf-8')
changelogContentsPPA = changelogFilePPA.readlines()
changelogContentsDistribution = changelogFileDistribution.readlines()
# ====== Merge changelogs ===================================================
re_entry_header = re.compile(r'^([a-zA-Z0-9-]+ \([0-9a-zA-Z\.~+]+-[0-9]*)')
re_entry_footer = re.compile(r'^ -- .*')
re_empty = re.compile(r'^\S*$')
topics = [
{ 'regexp': re.compile(r'^ \* .*ew upstream (version|release).*$'), 'count': 0, 'max': 1 },
{ 'regexp': re.compile(r'^ \* .*standards version.*$'), 'count': 0, 'max': 1 },
{ 'regexp': re.compile(r'^ \* .*debian/compat:.*$'), 'count': 0, 'max': 0 }
]
# ------ Get latest entry from distribution changelog -----------------------
match = re_entry_header.match(changelogContentsDistribution[0])
if match == None:
sys.stderr.write('ERROR: Bad header in ' + changelogNameDistribution + '!\n')
sys.exit(1)
latestDistributionEntry = match.group(1)
# ------ Join all new entries from PPA changelog ----------------------------
result = []
entries = 0
insideEntry = False
foundLatestDistributionEntryInPPA = False
firstFooter = None
for line in changelogContentsPPA:
# ------ Begin of an entry -----------------------------------------------
match = re_entry_header.match(line)
if match != None:
entries = entries + 1
if entries == 1:
result.append(line)
result.append('\n')
# ------ Done? --------------------------------------------------------
elif line[0:len(latestDistributionEntry)] == latestDistributionEntry:
foundLatestDistributionEntryInPPA = True
break
continue
# ------ Empty line ------------------------------------------------------
match = re_empty.match(line)
if match != None:
continue
# ------ End of an entry -------------------------------------------------
match = re_entry_footer.match(line)
if match != None:
if entries == 1:
firstFooter = line
continue
# ------ Topics ----------------------------------------------------------
skip = False
for topic in topics:
match = topic['regexp'].match(line)
if match != None:
topic['count'] = topic['count'] + 1
if topic['count'] > topic['max']:
skip = True
break
if skip == True:
continue
# ------ Add line to output ----------------------------------------------
if line[0] == ' ':
result.append(line)
continue
# ------ Something is wrong ----------------------------------------------
sys.stderr.write('ERROR: Unexpected line: ' + line + '!\n')
sys.exit(1)
result.append('\n')
result.append(firstFooter)
if foundLatestDistributionEntryInPPA == False:
sys.stderr.write('ERROR: Did not found the latest distribution entry in the PPA changelog!\n')
sys.exit(1)
# ------ Print results ------------------------------------------------------
for line in result:
sys.stdout.write(line)
sys.stdout.write('\n')
for line in changelogContentsDistribution:
sys.stdout.write(line)