$ git clone -n https://src.fedoraproject.org/rpms/kf6-kxmlgui.git /var/lib/mock/f41-build-808761-146032/root/chroot_tmpdir/scmroot/kf6-kxmlgui
Cloning into '/var/lib/mock/f41-build-808761-146032/root/chroot_tmpdir/scmroot/kf6-kxmlgui'...
$ git fetch origin 7ee496542243ecb1b95ee0f7d37a7bcc3e1bc182:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kxmlgui
 * [new ref]         7ee496542243ecb1b95ee0f7d37a7bcc3e1bc182 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7ee4965 6.2.0