Add --depth option to repo.

See related repo change:
  https://review.source.android.com/#change,22722

Review URL: http://codereview.chromium.org/7111045
Patch from Doug Anderson <dianders@chromium.org>.

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@89361 0039d316-1c4b-4281-b951-d872f2087c98

repo

@@ -28,7 +28,7 @@ if __name__ == '__main__':
 del magic
 
 # increment this whenever we make important changes to this script
-VERSION = (1, 10)
+VERSION = (1, 11)
 
 # increment this if the MAINTAINER_KEYS block is modified
 KEYRING_VERSION = (1,0)
@@ -109,23 +109,22 @@ group = init_optparse.add_option_group('Manifest options')
 group.add_option('-u', '--manifest-url',
                  dest='manifest_url',
                  help='manifest repository location', metavar='URL')
-group.add_option('-o', '--origin',
-                 dest='manifest_origin',
-                 help="use REMOTE instead of 'origin' to track upstream",
-                 metavar='REMOTE')
 group.add_option('-b', '--manifest-branch',
                  dest='manifest_branch',
                  help='manifest branch or revision', metavar='REVISION')
 group.add_option('-m', '--manifest-name',
                  dest='manifest_name',
-                 help='initial manifest file (deprecated)',
-                 metavar='NAME.xml')
+                 help='initial manifest file', metavar='NAME.xml')
 group.add_option('--mirror',
                  dest='mirror', action='store_true',
                  help='mirror the forrest')
 group.add_option('--reference',
                  dest='reference',
                  help='location of mirror directory', metavar='DIR')
+group.add_option('--depth', type='int', default=None,
+                 dest='depth',
+                 help='create a shallow clone with given depth; see git clone')
+
 
 # Tool
 group = init_optparse.add_option_group('repo Version options')
@@ -601,4 +600,3 @@ def main(orig_args):
 
 if __name__ == '__main__':
   main(sys.argv[1:])
-