From 842503c1c31c4f442c4467e4d08ddc3d90bf01c0 Mon Sep 17 00:00:00 2001
From: eyjhb <eyjhbb@gmail.com>
Date: Wed, 15 Oct 2025 21:20:25 +0200
Subject: [PATCH] wlroots_0_19: backport patch to fix crash in
 wlr_backend_commit

Caused issues with sway, which would cause it to crash.
---
 pkgs/development/libraries/wlroots/default.nix | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/pkgs/development/libraries/wlroots/default.nix b/pkgs/development/libraries/wlroots/default.nix
index 66cbe09dd1a2..7518d68b2fb1 100644
--- a/pkgs/development/libraries/wlroots/default.nix
+++ b/pkgs/development/libraries/wlroots/default.nix
@@ -174,5 +174,14 @@ in
     extraBuildInputs = [
       lcms2
     ];
+    patches = [
+      (fetchpatch {
+        # https://gitlab.freedesktop.org/wlroots/wlroots/-/merge_requests/5134
+        # > backend, output: send commit events after applying all in wlr_backend_commit()
+        # fixes potential crash in sway. Remove once a new release is made of wlroots
+        url = "https://gitlab.freedesktop.org/wlroots/wlroots/-/commit/7392b3313a7b483c61f4fea648ba8f2aa4ce8798.patch";
+        sha256 = "sha256-SK463pnIX2qjwRblCJRbvJeZTL6wAXho6wBIJ10OuNk=";
+      })
+    ];
   };
 }