if not options.stat:
options.diff_flags.extend(color_diff_flags())
- diff_str = git.diff(args, git_id(crt_series, rev1),
+ diff_str = git.diff(args, rev1 and git_id(crt_series, rev1),
rev2 and git_id(crt_series, rev2),
diff_flags = options.diff_flags)
if options.stat: