git-hyper-blame: Fix pagination (uses less if on a TTY).

git_hyper_blame.py

 #!/usr/bin/env python
 # Copyright 2016 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.
 
 """Wrapper around git blame that ignores certain commits.
 """
 
 from __future__ import print_function
 
 import argparse
 import collections
 import logging
 import os
 import subprocess2
 import sys
 
 import git_common
 import git_dates
+import setup_color
 
 
 logging.getLogger().setLevel(logging.INFO)
 
 
 DEFAULT_IGNORE_FILE_NAME = '.git-blame-ignore-revs'
 
 
 class Commit(object):
   """Info about a commit."""
@@ skipping 348 matching lines @@
     try:
       ignored.add(git_common.hash_one(c))
     except subprocess2.CalledProcessError as e:
       # Custom warning string (the message from git-rev-parse is inappropriate).
       stderr.write('warning: unknown revision \'%s\'.\n' % c)
 
   return hyper_blame(ignored, filename, args.revision, out=stdout, err=stderr)
 
 
 if __name__ == '__main__':  # pragma: no cover
+  setup_color.init()
   with git_common.less() as less_input:
     sys.exit(main(sys.argv[1:], stdout=less_input))