$ git clone -n https://src.fedoraproject.org/rpms/koko.git /var/lib/mock/f40-build-2387326-60496/root/chroot_tmpdir/scmroot/koko
Cloning into '/var/lib/mock/f40-build-2387326-60496/root/chroot_tmpdir/scmroot/koko'...
$ git fetch origin c4ae5ce18039fc9b9a2d228aa2c191c98178c657:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/koko
 * [new ref]         c4ae5ce18039fc9b9a2d228aa2c191c98178c657 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c4ae5ce 24.01.95