Add git-reup and friends

tests/git_freezer_test.py

 #!/usr/bin/env python
 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Unit tests for git_freezer.py"""
 
 import os
 import sys
 
 DEPOT_TOOLS_ROOT = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 sys.path.insert(0, DEPOT_TOOLS_ROOT)
 
 from testing_support import coverage_utils
 from testing_support import git_test_utils
 
 
 class GitFreezeThaw(git_test_utils.GitRepoReadWriteTestBase):
   @classmethod
   def setUpClass(cls):
     super(GitFreezeThaw, cls).setUpClass()
     import git_freezer
     cls.gf = git_freezer
 
-  REPO = """
+  REPO_SCHEMA = """
   A B C D
     B E D
   """
 
   COMMIT_A = {
     'some/files/file1': {'data': 'file1'},
     'some/files/file2': {'data': 'file2'},
     'some/files/file3': {'data': 'file3'},
     'some/other/file':  {'data': 'otherfile'},
   }
@@ skipping 54 matching lines @@
       self.assertEquals(self.repo.git('status', '--porcelain').stdout, STATUS_1)
 
     self.repo.run(inner)
 
 
 
 if __name__ == '__main__':
   sys.exit(coverage_utils.covered_main(
     os.path.join(DEPOT_TOOLS_ROOT, 'git_freezer.py')
   ))