From 0e123540e5870dff8f8a823d26f9d0abe14ac91b Mon Sep 17 00:00:00 2001
From: Bobby Rong <rjl931189261@126.com>
Date: Mon, 12 Feb 2024 22:20:59 +0800
Subject: [PATCH] paper-plane: Fix eval after gtk4 4.12.5 update

See ac193f0684, which removes all gtk4 patches.

Fixes 4ccedfae09.
Fixes https://gist.github.com/GrahamcOfBorg/594457cf1fc2b56ce99e5ac1add2e949.
---
 pkgs/by-name/pa/paper-plane/package.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/by-name/pa/paper-plane/package.nix b/pkgs/by-name/pa/paper-plane/package.nix
index c11593283732..de900ef10282 100644
--- a/pkgs/by-name/pa/paper-plane/package.nix
+++ b/pkgs/by-name/pa/paper-plane/package.nix
@@ -33,7 +33,7 @@ let
   # Paper Plane requires a patch to the gtk4, but may be removed later
   # https://github.com/paper-plane-developers/paper-plane/tree/main?tab=readme-ov-file#prerequisites
   gtk4-paperplane = gtk4.overrideAttrs (prev: {
-    patches = prev.patches ++ [ "${src}/build-aux/gtk-reversed-list.patch" ];
+    patches = (prev.patches or []) ++ [ "${src}/build-aux/gtk-reversed-list.patch" ];
   });
   wrapPaperPlaneHook = wrapGAppsHook.override {
     gtk3 = gtk4-paperplane;