foo.diff

diff --git a/tools/repopick.py b/tools/repopick.py
index a53c043..c2acbf4 100755
--- a/tools/repopick.py
+++ b/tools/repopick.py
@@ -153,6 +153,7 @@ if __name__ == '__main__':
     parser.add_argument('-Q', '--query', help='pick all commits using the specified query')
     parser.add_argument('-g', '--gerrit', default=default_gerrit, help='Gerrit Instance to use. Form proto://[user@]host[:port]')
     parser.add_argument('-e', '--exclude', nargs=1, help='exclude a list of commit numbers separated by a ,')
+    parser.add_argument('-pb', '--pick-branch', help='override the default branch and just pick commit')
     args = parser.parse_args()
     if not args.start_branch and args.abandon_first:
         parser.error('if --abandon-first is set, you must also give the branch name with --start-branch')
@@ -217,9 +218,12 @@ if __name__ == '__main__':
     for project in projects:
         name = project.get('name')
         path = project.get('path')
-        revision = project.get('revision')
-        if revision is None:
-            revision = default_revision
+        if args.pick_branch:
+            revision = args.pick_branch
+        else:
+            revision = project.get('revision')
+            if revision is None:
+                 revision = default_revision
 
         if not name in project_name_to_data:
             project_name_to_data[name] = {}