$ git clone -n https://src.fedoraproject.org/rpms/kf6-kquickcharts.git /var/lib/mock/f42-build-863244-171569/root/chroot_tmpdir/scmroot/kf6-kquickcharts
Cloning into '/var/lib/mock/f42-build-863244-171569/root/chroot_tmpdir/scmroot/kf6-kquickcharts'...
$ git fetch origin a1fd21361a143bfb1b6a0e9e8097b418ede40434:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kquickcharts
 * [new ref]         a1fd21361a143bfb1b6a0e9e8097b418ede40434 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a1fd213 Frameworks 6.9