[bisect] - Fix check for new v8 pushes to trunk from bleeding_edge.

tools/bisect-perf-regression.py

 #!/usr/bin/env python
 # Copyright (c) 2013 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.
 
 """Performance Test Bisect Tool
 
 This script bisects a series of changelists using binary search. It starts at
 a bad revision where a performance metric has regressed, and asks for a last
 known-good revision. It will then binary search across this revision range by
@@ skipping 1154 matching lines @@
 
         # Look for "based on bleeding_edge" and parse out revision
         if 'based on bleeding_edge' in revision_info['subject']:
           try:
             bleeding_edge_revision = revision_info['subject'].split(
                 'bleeding_edge revision r')[1]
             bleeding_edge_revision = int(bleeding_edge_revision.split(')')[0])
             git_revision = self.source_control.ResolveToRevision(
                 bleeding_edge_revision, 'v8_bleeding_edge', 1,
                 cwd=v8_bleeding_edge_dir)
+            return git_revision
           except IndexError, ValueError:
             pass
 
         if not git_revision:
           # Wasn't successful, try the old way of looking for "Prepare push to"
           git_revision = self.source_control.ResolveToRevision(
               int(svn_revision) - 1, 'v8_bleeding_edge', -1,
               cwd=v8_bleeding_edge_dir)
 
-        if git_revision:
-          revision_info = self.source_control.QueryRevisionInfo(git_revision,
-              cwd=v8_bleeding_edge_dir)
+          if git_revision:
+            revision_info = self.source_control.QueryRevisionInfo(git_revision,
+                cwd=v8_bleeding_edge_dir)
 
-          if 'Prepare push to trunk' in revision_info['subject']:
-            return git_revision
+            if 'Prepare push to trunk' in revision_info['subject']:
+              return git_revision
     return None
 
   def _GetNearestV8BleedingEdgeFromTrunk(self, revision, search_forward=True):
     cwd = self._GetDepotDirectory('v8')
     cmd = ['log', '--format=%ct', '-1', revision]
     output = CheckRunGit(cmd, cwd=cwd)
     commit_time = int(output)
     commits = []
 
     if search_forward:
@@ skipping 2182 matching lines @@
       # The perf dashboard scrapes the "results" step in order to comment on
       # bugs. If you change this, please update the perf dashboard as well.
       bisect_utils.OutputAnnotationStepStart('Results')
     print 'Error: %s' % e.message
     if opts.output_buildbot_annotations:
       bisect_utils.OutputAnnotationStepClosed()
   return 1
 
 if __name__ == '__main__':
   sys.exit(main())