$ git clone -n https://src.fedoraproject.org/rpms/fastlz.git /var/lib/mock/f40-build-797433-141347/root/chroot_tmpdir/scmroot/fastlz
Cloning into '/var/lib/mock/f40-build-797433-141347/root/chroot_tmpdir/scmroot/fastlz'...
$ git fetch origin e5b8388d62bb9e5a39917c7a8e1577c3648815e0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fastlz
 * [new ref]         e5b8388d62bb9e5a39917c7a8e1577c3648815e0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e5b8388 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild