--T <tag> , --tag <tag>
- - add git tag <tag> for files,
--Tvs, --tag-version-stable
- - add git tags STABLE and NAME-VERSION-RELEASE for files,
--Ts, --tag-stable
- - add git tag STABLE for files,
--Tv,
---tag-version - add git tag NAME-VERSION-RELEASE for files,
--Tp, --tag-prefix <prefix>
- - add <prefix> to NAME-VERSION-RELEASE tags,
--tt, --test-tag <prefix>
- - fail if tag is already present,