$ git clone -n https://src.fedoraproject.org/rpms/kf6-kservice.git /var/lib/mock/f40-build-788037-134983/root/chroot_tmpdir/scmroot/kf6-kservice
Cloning into '/var/lib/mock/f40-build-788037-134983/root/chroot_tmpdir/scmroot/kf6-kservice'...
$ git fetch origin c1277de52b86853c6ebb352210859174768e1a67:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kservice
 * [new ref]         c1277de52b86853c6ebb352210859174768e1a67 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c1277de 6.0.0