$ git clone -n https://src.fedoraproject.org/rpms/kqtquickcharts.git /var/lib/mock/f40-build-2006254-45149/root/chroot_tmpdir/scmroot/kqtquickcharts
Cloning into '/var/lib/mock/f40-build-2006254-45149/root/chroot_tmpdir/scmroot/kqtquickcharts'...
$ git fetch origin b5cd208cbb393c6610e84360be65bd2e87201cc7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kqtquickcharts
 * [new ref]         b5cd208cbb393c6610e84360be65bd2e87201cc7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b5cd208 23.08.2