An interactive tool to help find owners covering current change list.

git_cl.py

 #!/usr/bin/env python
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # Copyright (C) 2008 Evan Martin <martine@danga.com>
 
 """A git-command for integrating reviews on Rietveld."""
 
 import difflib
 from distutils.version import LooseVersion
 import json
 import logging
 import optparse
 import os
 import re
 import stat
 import sys
 import textwrap
 import urllib2
 import urlparse
+import glob
 
 try:
   import readline  # pylint: disable=F0401,W0611
 except ImportError:
   pass
 
 
 from third_party import colorama
 from third_party import upload
 import breakpad  # pylint: disable=W0611
 import fix_encoding
 import gclient_utils
 import presubmit_support
 import rietveld
 import scm
 import subprocess2
 import watchlists
+import owners_finder
 
 
 DEFAULT_SERVER = 'https://codereview.appspot.com'
 POSTUPSTREAM_HOOK_PATTERN = '.git/hooks/post-cl-%s'
 DESCRIPTION_BACKUP_FILE = '~/.git_cl_description_backup'
 GIT_INSTRUCTIONS_URL = 'http://code.google.com/p/chromium/wiki/UsingNewGit'
 CHANGE_ID = 'Change-Id:'
 
 # Shortcut since it quickly becomes redundant.
 Fore = colorama.Fore
@@ skipping 1943 matching lines @@
   _, args = parser.parse_args(args)
   if args:
     parser.error('Unrecognized args: %s' % ' '.join(args))
   cl = Changelist()
   # Ensure there actually is an issue to close.
   cl.GetDescription()
   cl.CloseIssue()
   return 0
 
 
+def CMDowners(parser, args):
+  """interactively find the owners for reviewing"""
+  group = optparse.OptionGroup(parser, 'Find owners options')
+  group.add_option(
+      '--no-color',
+      action='store_true',
+      help='Use this option to disable color output')
+  parser.add_option_group(group)

[Dirk Pranke, 2013/07/27 00:06:03]

I probably wouldn't use an OptionGroup for this, just add the options directly
to the parser.

[Bei Zhang, 2013/07/30 05:59:17]

Done.

+  options, args = parser.parse_args(args)
+
+  if args:
+    if len(args) > 1:
+      parser.error('Unknown args')
+    cl = Changelist()
+    base_branch = args[0]
+  else:
+    cl = Changelist()
+    # Default to diffing against the common ancestor of the upstream branch.
+    base_branch = RunGit(['merge-base', cl.GetUpstreamBranch(), 'HEAD']).strip()
+
+  change = cl.GetChange(base_branch, None)
+  return owners_finder.OwnersFinder(
+      [f.LocalPath() for f in
+          cl.GetChange(base_branch, None).AffectedFiles()],
+      change.RepositoryRoot(),
+      fopen=file, os_path=os.path, glob=glob.glob,
+      disable_color=options.no_color).run()
+
+
 def CMDformat(parser, args):
   """run clang-format on the diff"""
   CLANG_EXTS = ['.cc', '.cpp', '.h']
   parser.add_option('--full', action='store_true', default=False)
   opts, args = parser.parse_args(args)
   if args:
     parser.error('Unrecognized args: %s' % ' '.join(args))
 
   # Generate diff for the current branch's changes.
   diff_cmd = ['diff', '--no-ext-diff', '--no-prefix']
@@ skipping 165 matching lines @@
   GenUsage(parser, 'help')
   return CMDhelp(parser, argv)
 
 
 if __name__ == '__main__':
   # These affect sys.stdout so do it outside of main() to simplify mocks in
   # unit testing.
   fix_encoding.fix_encoding()
   colorama.init()
   sys.exit(main(sys.argv[1:]))