$ git clone -n https://src.fedoraproject.org/rpms/plasma-activities-stats.git /var/lib/mock/f45-build-28581-631/root/chroot_tmpdir/scmroot/plasma-activities-stats
Cloning into '/var/lib/mock/f45-build-28581-631/root/chroot_tmpdir/scmroot/plasma-activities-stats'...
$ git fetch origin 6b60b05451150564d8254206bd9b6ac7303deca1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-activities-stats
 * [new ref]         6b60b05451150564d8254206bd9b6ac7303deca1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6b60b05 6.7.5