$ git clone -n https://src.fedoraproject.org/rpms/prelude-lml-rules.git /var/lib/mock/f39-build-1459468-33136/root/chroot_tmpdir/scmroot/prelude-lml-rules
Cloning into '/var/lib/mock/f39-build-1459468-33136/root/chroot_tmpdir/scmroot/prelude-lml-rules'...
$ git fetch origin 9d4be15e6d4a2eb06f1ac7e11ca7624928285976:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/prelude-lml-rules
 * [new ref]         9d4be15e6d4a2eb06f1ac7e11ca7624928285976 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9d4be15 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild