Keep original mtime

diff --git a/img/bin/my-transcode-jpg b/img/bin/my-transcode-jpg
index ec0d7a1d9148681ab38b8779cde1d98082f415fa..616323bf65ed21c56dc1e3565be3e6b65734618f 100755 (executable)
--- a/img/bin/my-transcode-jpg
+++ b/img/bin/my-transcode-jpg
@@ -5,3 +5,4 @@ trap "rm -f $tmp.jpg" HUP PIPE INT QUIT TERM EXIT
 jpegtran -optimize -progressive -perfect -copy all "$1" > $tmp.jpg
 cjxl $tmp.jpg "${1%.*}.jxl" --distance=0 --effort=9 --brotli_effort=11 --lossless_jpeg=1
 [ -s "${1%.*}.jxl" ]
+touch -r "$1" "${1%.*}.jxl"