add --no-overwrite-dir

Author: Raphaël Droz

docker-entrypoint.sh

@@ -48,7 +48,7 @@ if [[ "$1" == apache2* ]] || [ "$1" == php-fpm ]; then
 		fi
 		WP_CONTENT_EXCLUDE=
 		if [ -n $NO_WP_CONTENT ]; then
-			WP_CONTENT_EXCLUDE="--exclude=./wp-content/*"
+			WP_CONTENT_EXCLUDE="--exclude=./wp-content/* --no-overwrite-dir"
 		fi
 		tar --create \
 			--file - \