Carlo Arenas <carenas@xxxxxxxxx> writes: > On Fri, Sep 17, 2021 at 7:12 AM <gitmailinglist.bentolor@xxxxxxxx> wrote: >> >> A SO commenter pointed out, that git-check-ref-format forbids @ and >> maybe I should report this as a potential bug. Is it? > > a reference that is named "@" only is invalid, but refs/tags/@ is not. ;-) "git check-ref-format master ; echo $?" would show that any single level name is "forbidden", so probably the SO commenter (whatever that is) was confused---it is not about @ at all. In any case, a tag whose name is @ may be another source of confusion in the modern world, after we added @ as a synonym to HEAD. I do not know, for example, offhand which between the HEAD or that tag "git show @" would choose. It makes sense to avoid it.
