ignore git hash revisions for chromium-browser-snapshots

tools/bisect-builds.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.
 
 """Snapshot Build Bisect Tool
 
 This script bisects a snapshot archive using binary search. It starts at
 a bad revision (it will try to guess HEAD) and asks for a last known-good
 revision. It will then binary search across this revision range by downloading,
@@ skipping 298 matching lines @@
               pass
       else:
         all_prefixes = document.findall(namespace + 'CommonPrefixes/' +
                                         namespace + 'Prefix')
         # The <Prefix> nodes have content of the form of
         # |_listing_platform_dir/revision/|. Strip off the platform dir and the
         # trailing slash to just have a number.
         for prefix in all_prefixes:
           revnum = prefix.text[prefix_len:-1]
           try:
-            if not revnum.isdigit():
-              # During the svn-git migration, some items were stored by hash.
-              # These items may appear anywhere in the list of items.
-              # If |last_known_rev| is set, assume that the full list has been
-              # retrieved before (including the hashes), so we can safely skip
-              # all git hashes and focus on the numeric revision numbers.
-              if last_known_rev:
-                revnum = None
-              else:
-                git_hash = revnum
-                revnum = self.GetSVNRevisionFromGitHash(git_hash)
-                githash_svn_dict[revnum] = git_hash
-            if revnum is not None:
-              revnum = int(revnum)
-              revisions.append(revnum)
+            revnum = int(revnum)
+            revisions.append(revnum)
+          # Notes:
+          # Ignore hash in chromium-browser-snapshots as they are invalid
+          # Resulting in 404 error in fetching pages:
+          # https://chromium.googlesource.com/chromium/src/+/[rev_hash]
           except ValueError:
             pass
       return (revisions, next_marker, githash_svn_dict)
 
     # Fetch the first list of revisions.
     if last_known_rev:
       revisions = []
       # Optimization: Start paging at the last known revision (local cache).
       next_marker = _GetMarkerForRev(last_known_rev)
       # Optimization: Stop paging at the last known revision (remote).
@@ skipping 965 matching lines @@
 
     print 'CHANGELOG URL:'
     if opts.official_builds:
       print OFFICIAL_CHANGELOG_URL % (min_chromium_rev, max_chromium_rev)
     else:
       PrintChangeLog(min_chromium_rev, max_chromium_rev)
 
 
 if __name__ == '__main__':
   sys.exit(main())