$ git clone -n https://src.fedoraproject.org/rpms/kdeplasma-addons.git /var/lib/mock/f42-build-side-1-3584353-46893/root/chroot_tmpdir/scmroot/kdeplasma-addons
Cloning into '/var/lib/mock/f42-build-side-1-3584353-46893/root/chroot_tmpdir/scmroot/kdeplasma-addons'...
$ git fetch origin 331cc772a2fea5a4b80ab92bfb64c928fb79c525:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kdeplasma-addons
 * [new ref]         331cc772a2fea5a4b80ab92bfb64c928fb79c525 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 331cc77 6.4.2