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# pylint: disable=g-bad-file-header
# Copyright 2015 The Bazel Authors. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""This tool convert Bazel's changelog file to debian changelog format."""
from datetime import datetime
import sys
def main(input_file, changelog_file, output_file):
changelog_out = open(output_file, "w")
changelog = None
version = None
with open(input_file, "r") as status_file:
for line in status_file:
line = line.strip()
if line.startswith("RELEASE_NOTES"):
changelog = line[14:].strip().replace("\f", "\n")
elif line.startswith("RELEASE_NAME"):
version = line[13:].strip()
if changelog:
time_stamp = None
lines = changelog.split("\n")
header = lines[0]
lines = lines[4:] # Skip the header
if lines[0] == "Cherry picks:":
# Skip cherry picks list
i = 1
while i < len(lines) and lines[i].strip():
i += 1
lines = lines[i + 1:]
# Process header
parts = header.split(" ")
time_stamp = datetime.strptime(
parts[2], "(%Y-%m-%d)").strftime("%a, %d %b %Y %H:%M:%S +0100")
changelog_out.write("bazel (%s) unstable; urgency=low\n" % version)
for line in lines:
if line.startswith("+") or line.startswith("-"):
parts = line.split(" ")
line = "*" + line[1:]
changelog_out.write(" %s\n" % line)
elif line.endswith(":"):
changelog_out.write("\n %s\n" % line)
elif line:
changelog_out.write(" %s\n" % line)
if time_stamp:
changelog_out.write(
"\n -- The Bazel Authors <bazel-dev@googlegroups.com> %s\n\n" %
time_stamp)
else:
# Develeopment version, generate a changelog from the change log file
with open(changelog_file, "r") as changelog_in:
for line in changelog_in:
line = line.strip()
if line.startswith("## Release"):
parts = line.split(" ")
version = parts[2]
time_stamp = datetime.strptime(
parts[3], "(%Y-%m-%d)").strftime("%a, %d %b %Y %H:%M:%S +0100")
changelog_out.write("bazel (%s~HEAD) unstable; urgency=low\n" %
version)
changelog_out.write(" Development version\n")
changelog_out.write(
"\n -- The Bazel Authors <bazel-dev@googlegroups.com> %s\n\n" %
time_stamp)
# Stop after parsing latest release
return
if __name__ == "__main__":
main(sys.argv[1], sys.argv[2], sys.argv[3])
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