#!/bin/sh -e

tmp=`mktemp`
trap "rm -f $tmp $tmp.jpg" HUP PIPE INT QUIT TERM EXIT
src="$1"
shift
jpegtran -optimize -progressive -perfect -copy all "$src" >$tmp.jpg
cjxl $tmp.jpg "${src%.*}.jxl" $@ --distance=0 --effort=9 --brotli_effort=11 --lossless_jpeg=1
[ -s "${src%.*}.jxl" ]
touch -r "$src" "${src%.*}.jxl"