1 #!/usr/bin/env python 2 3 # Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. 4 # 5 # Use of this source code is governed by a BSD-style license 6 # that can be found in the LICENSE file in the root of the source 7 # tree. An additional intellectual property rights grant can be found 8 # in the file PATENTS. All contributing project authors may 9 # be found in the AUTHORS file in the root of the source tree. 10 11 """Get svn revision of working copy 12 13 This script tries to get the svn revision as much as it can. It supports 14 both git-svn and svn. It will fail if not in a git-svn or svn repository; 15 in this case the script will return "n/a". 16 This script is a simplified version of lastchange.py which is in Chromium's 17 src/build/util folder. 18 """ 19 20 import os 21 import subprocess 22 import sys 23 24 def popen_cmd_and_get_output(cmd, directory): 25 """Return (status, output) of executing cmd in a shell.""" 26 try: 27 proc = subprocess.Popen(cmd, 28 stdout=subprocess.PIPE, 29 stderr=subprocess.PIPE, 30 cwd=directory, 31 shell=(sys.platform=='win32')) 32 except OSError: 33 # command is apparently either not installed or not executable. 34 return None 35 if not proc: 36 return None 37 38 for line in proc.stdout: 39 line = line.strip() 40 if not line: 41 continue 42 words = line.split() 43 for index, word in enumerate(words): 44 if word == "Revision:": 45 return words[index+1] 46 # return None if cannot find keyword Revision 47 return None 48 49 def main(): 50 directory = os.path.dirname(sys.argv[0]); 51 version = popen_cmd_and_get_output(['git', 'svn', 'info'], directory) 52 if version == None: 53 version = popen_cmd_and_get_output(['svn', 'info'], directory) 54 if version == None: 55 print "n/a" 56 return 0 57 print version 58 return 0 59 60 if __name__ == '__main__': 61 sys.exit(main()) 62
