Create HTTP-based GM results viewer.

tools/svn.py

 '''
 Copyright 2011 Google Inc.
 
 Use of this source code is governed by a BSD-style license that can be
 found in the LICENSE file.
 '''
 
 import fnmatch
 import os
 import re
@@ skipping 67 matching lines @@
     def Checkout(self, url, path):
         """Check out a working copy from a repository.
         Returns stdout as a single string.
 
         @param url URL from which to check out the working copy
         @param path path (within self._directory) where the local copy will be
         written
         """
         return self._RunCommand([SVN, 'checkout', url, path])
 
+    def Update(self, path):
+        """Update the working copy.
+        Returns stdout as a single string.
+
+        @param path path (within self._directory) within which to run
+        "svn update"
+        """
+        return self._RunCommand([SVN, 'update', path])
+
     def ListSubdirs(self, url):
         """Returns a list of all subdirectories (not files) within a given SVN
         url.
 
         @param url remote directory to list subdirectories of
         """
         subdirs = []
         filenames = self._RunCommand([SVN, 'ls', url]).split('\n')
         for filename in filenames:
             if filename.endswith('/'):
@@ skipping 67 matching lines @@
     def ExportBaseVersionOfFile(self, file_within_repo, dest_path):
         """Retrieves a copy of the base version (what you would get if you ran
         'svn revert') of a file within the repository.
 
         @param file_within_repo path to the file within the repo whose base
                version you wish to obtain
         @param dest_path destination to which to write the base content
         """
         self._RunCommand([SVN, 'export', '--revision', 'BASE',
                           file_within_repo, dest_path])