def _add_codereview_select_options(parser):
    'Appends --gerrit and --rietveld options to force specific codereview.'
    parser.codereview_group = optparse.OptionGroup(parser, 'EXPERIMENTAL! Codereview override options')
    parser.add_option_group(parser.codereview_group)
    parser.codereview_group.add_option('--gerrit', action='store_true', help='Force the use of Gerrit for codereview')
    parser.codereview_group.add_option('--rietveld', action='store_true', help='Force the use of Rietveld for codereview')
Appends --gerrit and --rietveld options to force specific codereview.
def _add_codereview_select_options(parser):
    
    parser.codereview_group = optparse.OptionGroup(parser, 'EXPERIMENTAL! Codereview override options')
    parser.add_option_group(parser.codereview_group)
    parser.codereview_group.add_option('--gerrit', action='store_true', help='Force the use of Gerrit for codereview')
    parser.codereview_group.add_option('--rietveld', action='store_true', help='Force the use of Rietveld for codereview')