are absent, `-a` is implied.
Otherwise just a tag reference for the SHA-1 object name of the commit object is
created (i.e. a lightweight tag).
A GnuPG signed tag object will be created when `-s` or `-u
are absent, `-a` is implied.
Otherwise just a tag reference for the SHA-1 object name of the commit object is
created (i.e. a lightweight tag).
A GnuPG signed tag object will be created when `-s` or `-u