ironbar: Update to latest commit

Also patches an issue where Mullvad VPN would crash ironbar if
the tray module was enabled.

assets/ironbar-fix-tray-crash.patch

@@ -0,0 +1,25 @@
+From 2bc741d197867cd5f0c391b9532b4cf9c4d378f6 Mon Sep 17 00:00:00 2001
+From: Jake Stanger <mail@jstanger.dev>
+Date: Sun, 4 Aug 2024 13:38:29 +0100
+Subject: [PATCH] fix(tray): crash when provided empty pixmap
+
+Fixes #675
+---
+ src/modules/tray/icon.rs | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+diff --git a/src/modules/tray/icon.rs b/src/modules/tray/icon.rs
+index c42ff4a5..87a77e50 100644
+--- a/src/modules/tray/icon.rs
++++ b/src/modules/tray/icon.rs
+@@ -90,6 +90,10 @@ fn get_image_from_pixmap(item: &TrayMenu, size: u32) -> Result<Image> {
+         .and_then(|pixmap| pixmap.first())
+         .ok_or_else(|| Report::msg("Failed to get pixmap from tray icon"))?;
+ 
++    if pixmap.width == 0 || pixmap.height == 0 {
++        return Err(Report::msg("empty pixmap"));
++    }
++
+     let mut pixels = pixmap.pixels.to_vec();
+ 
+     for i in (0..pixels.len()).step_by(4) {

overlays/ironbar.nix

@@ -1,19 +1,21 @@
 final: prev: {
   ironbar = prev.ironbar.overrideAttrs (oldAttrs: rec {
-    version = "0.15.1-unstable-2024-07-13";
+    version = "0.15.1-unstable-2024-08-04";
 
     src = prev.fetchFromGitHub {
       owner = "JakeStanger";
       repo = "ironbar";
-      rev = "58190ab079d00dd53babb72346f1da6e1cc9ac72";
-      hash = "sha256-Se+Pg81W8R+SFGFlhF1dU+NnMWSdLo3nC9TdPHa2IL4=";
+      rev = "92c690dcd14c21272f89bfde292546a2ee828e23";
+      hash = "sha256-YFarQSZEIFpA1/9eRK4tm88mZYvWGIaAgCEAjazBO38=";
     };
 
+    patches = (oldAttrs.patches or [ ]) ++ [ ../assets/ironbar-fix-tray-crash.patch ];
+
     cargoDeps = oldAttrs.cargoDeps.overrideAttrs (
       prev.lib.const {
         name = "${oldAttrs.pname}-${version}-vendor.tar.gz";
         inherit src;
-        outputHash = "sha256-VkSznG2REXNhUKEVWwqlfA7BF9zXC+fxTgNeRfYaHi4=";
+        outputHash = "sha256-wvjxKn2xS3qDJb7xVkLObr+Pz1djx+KHNSI66aonzpI=";
       }
     );
   });