$ git clone -n https://src.fedoraproject.org/rpms/kf5-kguiaddons.git /var/lib/mock/f40-build-2125901-50780/root/chroot_tmpdir/scmroot/kf5-kguiaddons
Cloning into '/var/lib/mock/f40-build-2125901-50780/root/chroot_tmpdir/scmroot/kf5-kguiaddons'...
$ git fetch origin 5b89bfa33d03bdddbb49139e06ae90ccde8baa5b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kguiaddons
 * [new ref]         5b89bfa33d03bdddbb49139e06ae90ccde8baa5b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5b89bfa 5.113.0