1# Copyright (c) 2013 The Chromium Authors. All rights reserved. 2# Use of this source code is governed by a BSD-style license that can be 3# found in the LICENSE file. 4 5from pylib import cmd_helper 6 7 8def GetGitHeadSHA1(in_directory): 9 """Returns the git hash tag for the given directory. 10 11 Args: 12 in_directory: The directory where git is to be run. 13 """ 14 command_line = ['git', 'log', '-1', '--pretty=format:%H'] 15 output = cmd_helper.GetCmdOutput(command_line, cwd=in_directory) 16 return output[0:40] 17