$ git clone -n https://src.fedoraproject.org/rpms/kgpg.git /var/lib/mock/f41-build-818904-14314/root/chroot_tmpdir/scmroot/kgpg
Cloning into '/var/lib/mock/f41-build-818904-14314/root/chroot_tmpdir/scmroot/kgpg'...
$ git fetch origin 88ece05cfd74da9f19434f15ae4f57b434cecc31:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kgpg
 * [new ref]         88ece05cfd74da9f19434f15ae4f57b434cecc31 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 88ece05 24.05.0