$ git clone -n https://src.fedoraproject.org/rpms/snowcrash.git /var/lib/mock/f38-build-709577-92906/root/chroot_tmpdir/scmroot/snowcrash
Cloning into '/var/lib/mock/f38-build-709577-92906/root/chroot_tmpdir/scmroot/snowcrash'...
$ git fetch origin bb57d85c65cebee49175053884b67a21ef316d78:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/snowcrash
 * [new ref]         bb57d85c65cebee49175053884b67a21ef316d78 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bb57d85 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild