$ git clone -n https://src.fedoraproject.org/rpms/kbackup.git /var/lib/mock/f40-build-2253299-54210/root/chroot_tmpdir/scmroot/kbackup
Cloning into '/var/lib/mock/f40-build-2253299-54210/root/chroot_tmpdir/scmroot/kbackup'...
$ git fetch origin 185a05daddde5ed245190075735150786230acf9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kbackup
 * [new ref]         185a05daddde5ed245190075735150786230acf9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 185a05d 24.01.90