$ git clone -n https://src.fedoraproject.org/rpms/kf6-kidletime.git /var/lib/mock/f42-build-863217-171512/root/chroot_tmpdir/scmroot/kf6-kidletime
Cloning into '/var/lib/mock/f42-build-863217-171512/root/chroot_tmpdir/scmroot/kf6-kidletime'...
$ git fetch origin 38fdbeaa67021b9048a4f4f20d7a6d126497f82d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kidletime
 * [new ref]         38fdbeaa67021b9048a4f4f20d7a6d126497f82d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 38fdbea Frameworks 6.9