Add full_move flag to GIT.GenerateDiff and Factor out FindGclientRootDir into gclient_utils.

gcl.py

 #!/usr/bin/python
 # Copyright (c) 2006-2009 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.
 
 """Wrapper script around Rietveld's upload.py that groups files into
 changelists."""
 
 import getpass
 import os
@@ skipping 813 matching lines @@
     root = os.path.realpath(root)
     subpath = os.path.realpath(subpath)
     if not subpath.startswith(root):
       return None
     # If the root does not have a trailing \ or /, we add it so the returned
     # path starts immediately after the seperator regardless of whether it is
     # provided.
     root = os.path.join(root, '')
     return subpath[len(root):]
 
-  # Try to find the gclient root.
-  def FindGclientRootDir(from_dir):
-    path = os.path.realpath(from_dir)
-    while not os.path.exists(os.path.join(path, '.gclient')):
-      next = os.path.split(path)
-      if not next[1]:
-        return None
-      path = next[0]
-    return path
-
   trychange_args = []
   settings = {
     'port': GetCodeReviewSetting('TRYSERVER_HTTP_PORT'),
     'host': GetCodeReviewSetting('TRYSERVER_HTTP_HOST'),
     'svn_repo': GetCodeReviewSetting('TRYSERVER_SVN_URL'),
     'project': GetCodeReviewSetting('TRYSERVER_PROJECT'),
     'root': GetCodeReviewSetting('TRYSERVER_ROOT'),
     'patchlevel': GetCodeReviewSetting('TRYSERVER_PATCHLEVEL'),
   }
   for (k, v) in settings.iteritems():
     if v:
       trychange_args.extend(['--' + k, v])
 
-  gclient_root = FindGclientRootDir(GetRepositoryRoot())
+  gclient_root = gclient_utils.FindGclientRoot(GetRepositoryRoot())
   if gclient_root:
     trychange_args.extend(['--root', PathDifference(gclient_root,
                                                     GetRepositoryRoot())])
   if change_info:
     trychange_args.extend(['--name', change_info.name])
     if change_info.issue:
       trychange_args.extend(["--issue", str(change_info.issue)])
     if change_info.patchset:
       trychange_args.extend(["--patchset", str(change_info.patchset)])
     trychange_args.extend(args)
@@ skipping 371 matching lines @@
       return 0
     args =["svn", command]
     root = GetRepositoryRoot()
     args.extend([os.path.join(root, x) for x in change_info.GetFileNames()])
     RunShell(args, True)
   return 0
 
 
 if __name__ == "__main__":
   sys.exit(main())