$ git clone -n https://src.fedoraproject.org/rpms/kf6-kcmutils.git /var/lib/mock/f40-build-788162-135049/root/chroot_tmpdir/scmroot/kf6-kcmutils
Cloning into '/var/lib/mock/f40-build-788162-135049/root/chroot_tmpdir/scmroot/kf6-kcmutils'...
$ git fetch origin f116732e57068161601c472f3f6eea7209f1e351:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kcmutils
 * [new ref]         f116732e57068161601c472f3f6eea7209f1e351 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f116732 6.0.0