$ git clone -n https://src.fedoraproject.org/rpms/rachota.git /var/lib/mock/f40-build-2223921-52761/root/chroot_tmpdir/scmroot/rachota
Cloning into '/var/lib/mock/f40-build-2223921-52761/root/chroot_tmpdir/scmroot/rachota'...
$ git fetch origin 9351a415ec896f8d3ae8e0a4fabd048c6d3f2117:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rachota
 * [new ref]         9351a415ec896f8d3ae8e0a4fabd048c6d3f2117 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9351a41 Orphaned for 6+ weeks