$ git clone -n https://src.fedoraproject.org/rpms/plasma-discover.git /var/lib/mock/f40-build-2167309-50976/root/chroot_tmpdir/scmroot/plasma-discover
Cloning into '/var/lib/mock/f40-build-2167309-50976/root/chroot_tmpdir/scmroot/plasma-discover'...
$ git fetch origin 086e0c083f9777c0cf5e416fe1e2e79964608d21:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-discover
 * [new ref]         086e0c083f9777c0cf5e416fe1e2e79964608d21 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 086e0c0 Backport patch to fix update button