old_contents: #!/usr/bin/env python
  # Copyright (C) 2014 The Android Open Source Project
  #
  # 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.
  
  from __future__ import print_function
  from optparse import OptionParser
  import os.path
  import re
  import sys
  
  parser = OptionParser()
  opts, args = parser.parse_args()
  
  if not len(args):
    parser.error('not enough arguments')
  elif len(args) > 1:
    parser.error('too many arguments')
  
  DEST_PATTERN = r'\g<1>%s\g<3>' % args[0]
  
  
  def replace_in_file(filename, src_pattern):
    try:
      f = open(filename, "r")
      s = f.read()
      f.close()
      s = re.sub(src_pattern, DEST_PATTERN, s)
      f = open(filename, "w")
      f.write(s)
      f.close()
    except IOError as err:
      print('error updating %s: %s' % (filename, err), file=sys.stderr)
  
  
  src_pattern = re.compile(r'^(\s*<version>)([-.\w]+)(</version>\s*)$',
                           re.MULTILINE)
  for project in ['gerrit-acceptance-framework', 'gerrit-extension-api',
                  'gerrit-plugin-api', 'gerrit-plugin-gwtui',
                  'gerrit-war']:
    pom = os.path.join(project, 'pom.xml')
    replace_in_file(pom, src_pattern)
  
  src_pattern = re.compile(r"^(GERRIT_VERSION = ')([-.\w]+)(')$", re.MULTILINE)
  replace_in_file('version.bzl', src_pattern)
  
  src_pattern = re.compile(r'^(\s*-DarchetypeVersion=)([-.\w]+)(\s*\\)$',
                           re.MULTILINE)
  replace_in_file(os.path.join('Documentation', 'dev-plugins.txt'), src_pattern)
  
new_contents: #!/usr/bin/env python
  # Copyright (C) 2014 The Android Open Source Project
  #
  # 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.
  
  from __future__ import print_function
  from optparse import OptionParser
  import os.path
  import re
  import sys
  
  parser = OptionParser()
  opts, args = parser.parse_args()
  
  if not len(args):
    parser.error('not enough arguments')
  elif len(args) > 1:
    parser.error('too many arguments')
  
  DEST_PATTERN = r'\g<1>%s\g<3>' % args[0]
  
  
  def replace_in_file(filename, src_pattern):
    try:
      f = open(filename, "r")
      s = f.read()
      f.close()
      s = re.sub(src_pattern, DEST_PATTERN, s)
      f = open(filename, "w")
      f.write(s)
      f.close()
    except IOError as err:
      print('error updating %s: %s' % (filename, err), file=sys.stderr)
  
  
  src_pattern = re.compile(r'^(\s*<version>)([-.\w]+)(</version>\s*)$',
                           re.MULTILINE)
  for project in ['gerrit-acceptance-framework', 'gerrit-extension-api',
                  'gerrit-plugin-api', 'gerrit-plugin-gwtui',
                  'gerrit-war']:
    pom = os.path.join(project, 'pom.xml')
    replace_in_file(pom, src_pattern)
  
  src_pattern = re.compile(r'^(GERRIT_VERSION = ")([-.\w]+)(")$', re.MULTILINE)
  replace_in_file('version.bzl', src_pattern)
  
  src_pattern = re.compile(r'^(\s*-DarchetypeVersion=)([-.\w]+)(\s*\\)$',
                           re.MULTILINE)
  replace_in_file(os.path.join('Documentation', 'dev-plugins.txt'), src_pattern)
  
subject: Fix replacement in version.bzl