new_contents: #!/usr/bin/env python
  #
  # Copyright 2020 Google Inc.
  #
  # Use of this source code is governed by a BSD-style license that can be
  # found in the LICENSE file.
  
  
  """Bulk abandon Gerrit CLs."""
  
  
  import argparse
  import os
  import re
  import subprocess
  import sys
  
  from infra import git
  from infra import go
  
  
  def run_abandon_cls(args):
    """Bulk abandon Gerrit CLs."""
    go.mod_download()
    go.install(go.INFRA_GO+'/scripts/abandon_gerrit_cls')
    subprocess.check_call([
        'abandon_gerrit_cls',
        '--gerrit_instance', args.gerrit_instance,
        '--abandon_reason', args.abandon_reason,
        '--last_modified_before_days', str(args.last_modified_before_days),
    ])
  
  
  def main():
    # TODO(rmistry): Instead of attempting to keep these args in sync, defer to
    # abandon_gerrit_cls for argument parsing.
    d = 'Helper script for bulk abandoning gerrit CLs'
    parser = argparse.ArgumentParser(description=d)
    parser.add_argument(
        '--gerrit-instance', '-g', default='https://skia-review.googlesource.com',
        help='Name of the gerrit instance.')
    parser.add_argument(
        '--abandon-reason', '-a', default='',
        help='Will be used as reason for abandoning.')
    parser.add_argument(
        '--last-modified-before-days', '-l', default=0,
        help='If 3 is specified then all CLs that were modified after 3 days ago '
             'will be returned.')
    args = parser.parse_args()
  
    go.check()
    run_abandon_cls(args)
  
  
  if __name__ == '__main__':
    main()
  
subject: Add wrapper script to call tool to bulk abandon Gerrit CLs