Create 2062 release branch for CEF3.

git-svn-id: https://chromiumembedded.googlecode.com/svn/branches/2062@1783 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

tools/git_util.py

@@ -0,0 +1,44 @@
+# Copyright (c) 2014 The Chromium Embedded Framework Authors. All rights
+# reserved. Use of this source code is governed by a BSD-style license that
+# can be found in the LICENSE file
+
+from exec_util import exec_cmd
+import os
+
+def is_checkout(path):
+  """ Returns true if the path represents a git checkout. """
+  return os.path.exists(os.path.join(path, '.git'))
+
+def get_hash(path = '.', branch = 'master'):
+  """ Returns the git hash for the specified branch/tag/hash. """
+  cmd = "git rev-parse %s" % (branch)
+  result = exec_cmd(cmd, path)
+  if result['out'] != '':
+    return result['out'].strip()
+  return 'Unknown'
+
+def get_url(path = '.'):
+  """ Returns the origin url for the specified path. """
+  cmd = "git config --get remote.origin.url"
+  result = exec_cmd(cmd, path)
+  if result['out'] != '':
+    return result['out'].strip()
+  return 'Unknown'
+
+def get_svn_revision(path = '.', branch = 'master'):
+  """ Returns the SVN revision associated with the specified path and git
+      branch/tag/hash. """
+  svn_rev = "None"
+  cmd = "git log --grep=^git-svn-id: -n 1 %s" % (branch)
+  result = exec_cmd(cmd, path)
+  if result['err'] == '':
+    for line in result['out'].split('\n'):
+      if line.find("git-svn-id") > 0:
+        svn_rev = line.split("@")[1].split()[0]
+        break
+  return svn_rev
+
+def get_changed_files(path = '.'):
+  """ Retrieves the list of changed files. """
+  # not implemented
+  return []