$ git clone -n https://src.fedoraproject.org/rpms/plasma-activities.git /var/lib/mock/f41-build-854503-166886/root/chroot_tmpdir/scmroot/plasma-activities
Cloning into '/var/lib/mock/f41-build-854503-166886/root/chroot_tmpdir/scmroot/plasma-activities'...
$ git fetch origin 5d9199a2be2714d49e35467a4316758450004e53:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-activities
 * [new ref]         5d9199a2be2714d49e35467a4316758450004e53 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5d9199a 6.1.90