From 317689eefb01c80fd17b295afc96a04faba3157b Mon Sep 17 00:00:00 2001
From: Arnout Engelen <arnout@bzzt.net>
Date: Thu, 13 Mar 2025 16:22:09 +0100
Subject: [PATCH] nginx: output config on failed gixy check

Sometimes the gixy output can be hard to trace back to the module
configurations that were merged into that config. Also provide a
hint that this can happen due to merging incompatible services on
the same hostname.
---
 pkgs/build-support/writers/scripts.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/build-support/writers/scripts.nix b/pkgs/build-support/writers/scripts.nix
index 4450b79a8fa8..a1befd9aae6e 100644
--- a/pkgs/build-support/writers/scripts.nix
+++ b/pkgs/build-support/writers/scripts.nix
@@ -1107,7 +1107,7 @@ rec {
       ''
         # nginx-config-formatter has an error - https://github.com/1connect/nginx-config-formatter/issues/16
         awk -f ${awkFormatNginx} "$textPath" | sed '/^\s*$/d' > $out
-        gixy $out
+        gixy $out || (echo "\n\nThis can be caused by combining multiple incompatible services on the same hostname.\n\nFull merged config:\n\n"; cat $out; exit 1)
       '';
 
   /**