From 14dd31d01561acc64a45f2086352f0c73fde71fe Mon Sep 17 00:00:00 2001
From: Dragory <2606411+Dragory@users.noreply.github.com>
Date: Mon, 22 Jul 2019 00:14:24 +0300
Subject: [PATCH] Don't save identical configs as new revisions

---
 src/api/guilds.ts | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/api/guilds.ts b/src/api/guilds.ts
index b84ac628..9f314820 100644
--- a/src/api/guilds.ts
+++ b/src/api/guilds.ts
@@ -34,9 +34,16 @@ export function initGuildsAPI(app: express.Express) {
     const permissions = await apiPermissions.getByGuildAndUserId(req.params.guildId, req.user.userId);
     if (!permissions || ApiRoles[permissions.role] < ApiRoles.Editor) return unauthorized(res);
 
-    const config = req.body.config;
+    let config = req.body.config;
     if (config == null) return clientError(res, "No config supplied");
 
+    config = config.trim() + "\n"; // Normalize start/end whitespace in the config
+
+    const currentConfig = await configs.getActiveByKey(`guild-${req.params.guildId}`);
+    if (config === currentConfig.config) {
+      return ok(res);
+    }
+
     // Validate config
     let parsedConfig;
     try {