$ git clone -n https://src.fedoraproject.org/rpms/kf6-kquickcharts.git /var/lib/mock/f40-build-2223132-52726/root/chroot_tmpdir/scmroot/kf6-kquickcharts
Cloning into '/var/lib/mock/f40-build-2223132-52726/root/chroot_tmpdir/scmroot/kf6-kquickcharts'...
$ git fetch origin 64c06a159d3af66ee17dc45a82007c97d72b475d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kquickcharts
 * [new ref]         64c06a159d3af66ee17dc45a82007c97d72b475d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 64c06a1 5.248.0