···2323 Print out the ref names of any commits that are shown by the log
2424 command. Possible values are:
2525+
2626-----
2626+--
2727`short`;; the ref name prefixes `refs/heads/`, `refs/tags/` and
2828 `refs/remotes/` are not printed.
2929`full`;; the full ref name (including prefix) are printed.
3030`auto`;; if the output is going to a terminal,
3131 the ref names are shown as if `short` were given, otherwise no ref
3232 names are shown.
3333-----
3333+--
3434+
3535This is the same as the `--decorate` option of the `git log`.
3636