#!/usr/bin/env bash
set -euo pipefail
ref="$1"
new="$2"
for f in $(cd "$ref" && find -type f); do
diff -dub "$ref/$f" "$new/$f" || {
echo "File \`$f' has changed, please review," >&2
echo "then update $new/$f -> $ref/$f" >&2
exit 255
}
done
exit 0