diff --git a/googletest/scripts/common.py b/googletest/scripts/common.py
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+++ b/googletest/scripts/common.py
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+# Copyright 2013 Google Inc. All Rights Reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+"""Shared utilities for writing scripts for Google Test/Mock."""
+
+__author__ = 'wan@google.com (Zhanyong Wan)'
+
+
+import os
+import re
+
+
+# Matches the line from 'svn info .' output that describes what SVN
+# path the current local directory corresponds to.  For example, in
+# a googletest SVN workspace's trunk/test directory, the output will be:
+#
+# URL: https://googletest.googlecode.com/svn/trunk/test
+_SVN_INFO_URL_RE = re.compile(r'^URL: https://(\w+)\.googlecode\.com/svn(.*)')
+
+
+def GetCommandOutput(command):
+  """Runs the shell command and returns its stdout as a list of lines."""
+
+  f = os.popen(command, 'r')
+  lines = [line.strip() for line in f.readlines()]
+  f.close()
+  return lines
+
+
+def GetSvnInfo():
+  """Returns the project name and the current SVN workspace's root path."""
+
+  for line in GetCommandOutput('svn info .'):
+    m = _SVN_INFO_URL_RE.match(line)
+    if m:
+      project = m.group(1)  # googletest or googlemock
+      rel_path = m.group(2)
+      root = os.path.realpath(rel_path.count('/') * '../')
+      return project, root
+
+  return None, None
+
+
+def GetSvnTrunk():
+  """Returns the current SVN workspace's trunk root path."""
+
+  _, root = GetSvnInfo()
+  return root + '/trunk' if root else None
+
+
+def IsInGTestSvn():
+  project, _ = GetSvnInfo()
+  return project == 'googletest'
+
+
+def IsInGMockSvn():
+  project, _ = GetSvnInfo()
+  return project == 'googlemock'