$ git clone -n https://src.fedoraproject.org/rpms/kf6-kquickcharts.git /var/lib/mock/f43-build-side-114571-60920549-6585872/root/chroot_tmpdir/scmroot/kf6-kquickcharts
Cloning into '/var/lib/mock/f43-build-side-114571-60920549-6585872/root/chroot_tmpdir/scmroot/kf6-kquickcharts'...
$ git fetch origin c741f0777852ccb93a7f7debfad9b64bd8934b21:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kquickcharts
 * [new ref]         c741f0777852ccb93a7f7debfad9b64bd8934b21 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c741f07 6.16.0