From 7e9770cf632171b58a5796356678fa1120c07a37 Mon Sep 17 00:00:00 2001
From: Mischa POSLAWSKY <perl@shiar.org>
Date: Mon, 11 Jan 2021 19:52:34 +0100
Subject: [PATCH] edit/page: ignore saving unaltered body

Do not overwrite an unaltered file, preventing mtime update and noop commit
(minor speedup).
---
 edit/page/index.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/edit/page/index.php b/edit/page/index.php
index 194a25d..99c8cd4 100644
--- a/edit/page/index.php
+++ b/edit/page/index.php
@@ -69,6 +69,9 @@ if (!strlen($upload)) {
 if (!file_exists(dirname($filename)) and !mkdir(dirname($filename), 0777, TRUE))
 	abort("fout bij aanmaken van map voor $filename", '500 save error');
 
+if (file_exists($filename) and file_get_contents($filename) === $upload)
+	abort('niet aangepast', '200 unaltered');
+
 if (!file_put_contents($filename, $upload))
 	abort("fout bij schrijven van $filename", '500 save error');
 
-- 
2.30.0