$ git clone -n https://src.fedoraproject.org/rpms/plasma-discover.git /var/lib/mock/f38-build-side-42-init-devel-834230-28378/root/chroot_tmpdir/scmroot/plasma-discover
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-834230-28378/root/chroot_tmpdir/scmroot/plasma-discover'...
$ git fetch origin c4165263e684fc52b528be71fb353d2e5151f671:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-discover
 * [new ref]         c4165263e684fc52b528be71fb353d2e5151f671 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c416526 5.27.4