#!/bin/sh -e
# $1 old file
# $2 new file
# normalize (safe side)
msgcat -o "$1.wrap" "$1"
msgcat -o "$2.wrap" "$2"
if diff -s --ignore-matching-lines='^"\(POT-Creation-Date:\|Project-Id-Version:\)' "$1" "$2" >/dev/null ; then
  echo "I: keep $1 as is (no change)"
else
  echo "I: update $1 with new $2"
  cp -f "$2.wrap" "$1"
fi
rm -f "$1.wrap" "$2.wrap"
