$ git clone -n https://src.fedoraproject.org/rpms/plasma-activities.git /var/lib/mock/f41-build-860583-169005/root/chroot_tmpdir/scmroot/plasma-activities
Cloning into '/var/lib/mock/f41-build-860583-169005/root/chroot_tmpdir/scmroot/plasma-activities'...
$ git fetch origin ac9628005d4e81ecbb95d3dfd5eb8cf5d4201f0d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-activities
 * [new ref]         ac9628005d4e81ecbb95d3dfd5eb8cf5d4201f0d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ac96280 6.2.2