From 18135de79a9630f01c1df91865e3fd06ff954cdd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sandro=20J=C3=A4ckel?= <sandro.jaeckel@gmail.com>
Date: Sat, 17 Aug 2024 00:09:24 +0200
Subject: [PATCH] nixos/firefox: dedupe identically nativeMessageHosts packages

---
 nixos/modules/programs/firefox.nix | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/nixos/modules/programs/firefox.nix b/nixos/modules/programs/firefox.nix
index ed874cad74e4..8229affb1ad9 100644
--- a/nixos/modules/programs/firefox.nix
+++ b/nixos/modules/programs/firefox.nix
@@ -313,7 +313,9 @@ in
             old.extraPrefsFiles or [ ]
             ++ cfg.autoConfigFiles
             ++ [ (pkgs.writeText "firefox-autoconfig.js" cfg.autoConfig) ];
-          nativeMessagingHosts = old.nativeMessagingHosts or [ ] ++ cfg.nativeMessagingHosts.packages;
+          nativeMessagingHosts = lib.unique (
+            old.nativeMessagingHosts or [ ] ++ cfg.nativeMessagingHosts.packages
+          );
           cfg = (old.cfg or { }) // cfg.wrapperConfig;
         }))
       ];