git cl: workaround against integer overflows of git config.

git_cl.py

 #!/usr/bin/env python
 # Copyright (c) 2012 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.
 
 # Copyright (C) 2008 Evan Martin <martine@danga.com>
 
 """A git-command for integrating reviews on Rietveld and Gerrit."""
 
 from __future__ import print_function
@@ skipping 158 matching lines @@
   Returns default in all other cases.
   """
   assert value_type in (int, str, bool)
   if branch is False:  # Distinguishing default arg value from None.
     branch = GetCurrentBranch()
 
   if not branch:
     return default
 
   args = ['config']
-  if value_type == int:
-    args.append('--int')
-  elif value_type == bool:
+  if value_type == bool:
     args.append('--bool')
+  # git config also has --int, but apparently git config suffers from integer
+  # overflows (http://crbug.com/640115), so don't use it.
   args.append(_git_branch_config_key(branch, key))
   code, out = RunGitWithCode(args)
   if code == 0:
     value = out.strip()
     if value_type == int:
       return int(value)
     if value_type == bool:
       return bool(value.lower() == 'true')
     return value
   return default
 
 
 def _git_set_branch_config_value(key, value, branch=None, **kwargs):
   """Sets the value or unsets if it's None of a git branch config.
 
   Valid, though not necessarily existing, branch must be provided,
   otherwise currently checked out branch is used.
   """
   if not branch:
     branch = GetCurrentBranch()
     assert branch, 'a branch name OR currently checked out branch is required'
   args = ['config']
   # Check for boolean first, becuase bool is int, but int is not bool.
   if value is None:
     args.append('--unset')
   elif isinstance(value, bool):
     args.append('--bool')
     value = str(value).lower()
-  elif isinstance(value, int):
-    args.append('--int')
-    value = str(value)
   else:
+    # git config also has --int, but apparently git config suffers from integer
+    # overflows (http://crbug.com/640115), so don't use it.
     value = str(value)
   args.append(_git_branch_config_key(branch, key))
   if value is not None:
     args.append(value)
   RunGit(args, **kwargs)
 
 
 def add_git_similarity(parser):
   parser.add_option(
       '--similarity', metavar='SIM', type=int, action='store',
@@ skipping 4977 matching lines @@
 if __name__ == '__main__':
   # These affect sys.stdout so do it outside of main() to simplify mocks in
   # unit testing.
   fix_encoding.fix_encoding()
   setup_color.init()
   try:
     sys.exit(main(sys.argv[1:]))
   except KeyboardInterrupt:
     sys.stderr.write('interrupted\n')
     sys.exit(1)