$ git clone -n https://src.fedoraproject.org/rpms/kf5-kquickcharts.git /var/lib/mock/f45-build-14897-465/root/chroot_tmpdir/scmroot/kf5-kquickcharts
Cloning into '/var/lib/mock/f45-build-14897-465/root/chroot_tmpdir/scmroot/kf5-kquickcharts'...
$ git fetch origin c5611af6c13a35d4377dad648dba85edb944cd23:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kquickcharts
 * [new ref]         c5611af6c13a35d4377dad648dba85edb944cd23 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c5611af Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild