$ git clone -n https://src.fedoraproject.org/rpms/pag.git /var/lib/mock/f42-build-3449790-45479/root/chroot_tmpdir/scmroot/pag
Cloning into '/var/lib/mock/f42-build-3449790-45479/root/chroot_tmpdir/scmroot/pag'...
$ git fetch origin ab1f85f0432f47b9b5e02bb97b47df3ace711127:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pag
 * [new ref]         ab1f85f0432f47b9b5e02bb97b47df3ace711127 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ab1f85f Orphaned for 6+ weeks