Do not exclude the last revision in the range returned by gitiles.

scripts/slave/recipe_modules/auto_bisect/resources/fetch_intervening_revisions.py

 #!/usr/bin/python
 #
 # Copyright 2015 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.
 
 """Gets list of revisions between two commits and their commit positions.
 
 Example usage:
   ./fetch_intervening_revisions.py 343b531d31 7b43807df3 \
@@ skipping 23 matching lines @@
 
 def fetch_intervening_revisions(start, end, base_url):
   """Fetches a list of revision in between two commits.
 
   Args:
     start (str): A git commit hash in the Chromium src repository.
     end (str): Another git commit hash, after start.
     base_url (str): A repository gitiles URL.
 
   Returns:
     A list of pairs (commit hash, commit position), from earliest to latest,

[dtu, 2016/08/26 01:16:56]

This comment needs to be updated.

[RobertoCN, 2016/08/26 18:17:36]

Done.

     for all commits in between the two given commits, not including either
     of the given commits.
 
   Raises:
     urllib2.URLError: The request to gitiles failed.
     ValueError: The response wasn't valid JSON.
     KeyError: The JSON didn't contain the expected data.
   """
   revisions = _fetch_range_from_gitiles(start, end, base_url)
   # The response from gitiles includes the end revision and is ordered
   # from latest to earliest.
-  return [_commit_pair(r) for r in reversed(revisions[1:])]
+  return [_commit_pair(r) for r in reversed(revisions)]
 
 
 def _fetch_range_from_gitiles(start, end, base_url):
   """Fetches a list of revision dicts from gitiles.
 
   Make multiple requests to get multiple pages, if necessary.
   """
   revisions = []
   url = '%s/+log/%s..%s?format=json&n=%d' % (base_url, start, end, _PAGE_SIZE)
   current_page_url = url
@@ skipping 26 matching lines @@
   parser.add_argument('end')
   parser.add_argument('url')
   args = parser.parse_args()
   revision_pairs = fetch_intervening_revisions(
       args.start, args.end, args.url)
   print json.dumps(revision_pairs)
 
 
 if __name__ == '__main__':
   main()