Move 'revision' file creation from upload_sdk into create_sdk

tools/utils.py

 # Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 # This file contains a set of utilities functions used by other Python-based
 # scripts.
 
 import commands
 import os
 import platform
@@ skipping 143 matching lines @@
 def GetBuildRoot(target_os, mode=None, arch=None):
   global BUILD_ROOT
   if mode:
     return os.path.join(BUILD_ROOT[target_os], GetBuildConf(mode, arch))
   else:
     return BUILD_ROOT[target_os]
 
 def GetBaseDir():
   return BASE_DIR
 
+def GetSVNRevision():
+  p = subprocess.Popen(['svn', 'info'], stdout = subprocess.PIPE,
+      stderr = subprocess.STDOUT, shell=IsWindows())
+  output, not_used = p.communicate()
+  for line in output.split('\n'):
+    if 'Revision' in line:
+      return (line.strip().split())[1]
+  return None
+
 def RewritePathSeparator(path, workspace):
   # Paths in test files are always specified using '/'
   # as the path separator. Replace with the actual
   # path separator before use.
   if ('/' in path):
     split_path = path.split('/')
     path = os.sep.join(split_path)
     path = os.path.join(workspace, path)
     if not os.path.exists(path):
       raise Exception(path)
@@ skipping 99 matching lines @@
 
 def DiagnoseExitCode(exit_code, command):
   if IsCrashExitCode(exit_code):
     sys.stderr.write('Command: %s\nCRASHED with exit code %d (0x%x)\n' % (
         ' '.join(command), exit_code, exit_code & 0xffffffff))
 
 
 if __name__ == "__main__":
   import sys
   Main(sys.argv)