$ git clone -n https://src.fedoraproject.org/rpms/kf6-kxmlgui.git /var/lib/mock/f41-build-861001-169299/root/chroot_tmpdir/scmroot/kf6-kxmlgui
Cloning into '/var/lib/mock/f41-build-861001-169299/root/chroot_tmpdir/scmroot/kf6-kxmlgui'...
$ git fetch origin 5ecdfcade09728d78ce370801571686b29b394a7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kxmlgui
 * [new ref]         5ecdfcade09728d78ce370801571686b29b394a7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5ecdfca Merge branch 'rawhide' into f40