$ git clone -n https://src.fedoraproject.org/rpms/kf6-kxmlgui.git /var/lib/mock/f40-build-2218241-52595/root/chroot_tmpdir/scmroot/kf6-kxmlgui
Cloning into '/var/lib/mock/f40-build-2218241-52595/root/chroot_tmpdir/scmroot/kf6-kxmlgui'...
$ git fetch origin d8224323acc93c4d61f6a6b2b50536ecf2739656:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kxmlgui
 * [new ref]         d8224323acc93c4d61f6a6b2b50536ecf2739656 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d822432 add doc package with QCH API Docs