$ git clone -n https://src.fedoraproject.org/rpms/plasma-nm.git /var/lib/mock/f40-build-2677117-67882/root/chroot_tmpdir/scmroot/plasma-nm
Cloning into '/var/lib/mock/f40-build-2677117-67882/root/chroot_tmpdir/scmroot/plasma-nm'...
$ git fetch origin 4d78af006b5de1dd312de2f8b7f1d13814a170e2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-nm
 * [new ref]         4d78af006b5de1dd312de2f8b7f1d13814a170e2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4d78af0 6.0.3