hbase/dev-support/create-release/prepend_changes.py

40 lines
1.4 KiB
Python
Executable File

#!/usr/bin/env python3
##
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you 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.
import sys
import re
import os
if len(sys.argv) != 3:
print("usage: %s <NEW_CHANGES.md> <PREV_CHANGES.md>" % sys.argv[0])
sys.exit(1)
pattern = re.compile(r'^## Release .+ - Unreleased .+$')
with open(sys.argv[1], 'r', errors = 'ignore') as new_r, open(sys.argv[2], 'r', errors = 'ignore') as prev_r, open(sys.argv[2] + '.tmp', 'w') as w:
line = prev_r.readline()
while line:
if pattern.match(line):
break
line = prev_r.readline()
for newline in new_r:
w.writelines(newline)
while line:
w.writelines(line)
line = prev_r.readline()
os.rename(sys.argv[2] + '.tmp', sys.argv[2])