$ git clone -n https://src.fedoraproject.org/rpms/golang-modernc-zappy.git /var/lib/mock/f38-build-side-42-init-devel-570556-25909/root/chroot_tmpdir/scmroot/golang-modernc-zappy
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-570556-25909/root/chroot_tmpdir/scmroot/golang-modernc-zappy'...
$ git fetch origin c29b9fa1338d5b3437d439958306456608f9437a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-modernc-zappy
 * [new ref]         c29b9fa1338d5b3437d439958306456608f9437a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c29b9fa Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild