From 6a3dcce28a6a28471a55ded6383f03c52cc2006a Mon Sep 17 00:00:00 2001
From: Lewis Crichton <lewi@lewisakura.moe>
Date: Wed, 1 Mar 2023 18:35:22 +0000
Subject: [PATCH] if-none-match support on GET /settings

---
 main.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/main.go b/main.go
index 30e3ed4..5d89719 100644
--- a/main.go
+++ b/main.go
@@ -143,6 +143,10 @@ func main() {
         // value is compressed data, written is a timestamp
         value, written := []byte(settings[0].(string)), settings[1].(string)
 
+        if ifm := c.Get("if-none-match"); ifm == written {
+            return c.SendStatus(304)
+        }
+
         c.Set("Content-Type", "application/octet-stream")
         c.Set("ETag", written)
         return c.Send(value)