$ git clone -n https://src.fedoraproject.org/rpms/lua-posix.git /var/lib/mock/f40-build-730527-103434/root/chroot_tmpdir/scmroot/lua-posix
Cloning into '/var/lib/mock/f40-build-730527-103434/root/chroot_tmpdir/scmroot/lua-posix'...
$ git fetch origin 7cbf96ccaff4b069fc19798f6ae16885400f044a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lua-posix
 * [new ref]         7cbf96ccaff4b069fc19798f6ae16885400f044a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7cbf96c Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild