$ git clone -n https://src.fedoraproject.org/rpms/plasma-workspace.git /var/lib/mock/f40-build-2058529-49147/root/chroot_tmpdir/scmroot/plasma-workspace
Cloning into '/var/lib/mock/f40-build-2058529-49147/root/chroot_tmpdir/scmroot/plasma-workspace'...
$ git fetch origin be370f34504b3e565bb7a8c905da685fe8837d2f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-workspace
 * [new ref]         be370f34504b3e565bb7a8c905da685fe8837d2f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at be370f3 Replace unallowed license proxy