$ git clone -n https://src.fedoraproject.org/rpms/kf6-kxmlgui.git /var/lib/mock/f40-build-767898-125124/root/chroot_tmpdir/scmroot/kf6-kxmlgui
Cloning into '/var/lib/mock/f40-build-767898-125124/root/chroot_tmpdir/scmroot/kf6-kxmlgui'...
$ git fetch origin d01fd55ed2d33261cda0fedc2d16cd82da7ac97b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kxmlgui
 * [new ref]         d01fd55ed2d33261cda0fedc2d16cd82da7ac97b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d01fd55 5.247.0