$ git clone -n https://src.fedoraproject.org/rpms/kf6.git /var/lib/mock/f42-build-863195-171494/root/chroot_tmpdir/scmroot/kf6
Cloning into '/var/lib/mock/f42-build-863195-171494/root/chroot_tmpdir/scmroot/kf6'...
$ git fetch origin 36a9df127db524ff083ee20760fad978e93195ef:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6
 * [new ref]         36a9df127db524ff083ee20760fad978e93195ef -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 36a9df1 Frameworks 6.9