$ git clone -n https://src.fedoraproject.org/rpms/zaz.git /var/lib/mock/f40-build-795021-139926/root/chroot_tmpdir/scmroot/zaz
Cloning into '/var/lib/mock/f40-build-795021-139926/root/chroot_tmpdir/scmroot/zaz'...
$ git fetch origin b1092fb85a2e4824d16ddee51abb8598cd8397eb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/zaz
 * [new ref]         b1092fb85a2e4824d16ddee51abb8598cd8397eb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b1092fb Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild