From df0fdce92b34406262ee522ad3910cefcc6ffd9e Mon Sep 17 00:00:00 2001
From: "Victor \"multun\" Collod" <victor.collod@epita.fr>
Date: Wed, 11 Jan 2023 23:02:09 +0100
Subject: [PATCH] get_desktop_app_info: fix crash on failed
 DesktopAppInfo::create

Even though it makes little sense for this call to fail,
it sometimes randomly does, and takes down waybar with it.
---
 src/modules/wlr/taskbar.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/modules/wlr/taskbar.cpp b/src/modules/wlr/taskbar.cpp
index 97d84bd0..54602446 100644
--- a/src/modules/wlr/taskbar.cpp
+++ b/src/modules/wlr/taskbar.cpp
@@ -102,8 +102,11 @@ Glib::RefPtr<Gio::DesktopAppInfo> get_desktop_app_info(const std::string &app_id
         desktop_file = desktop_list[0][i];
       } else {
         auto tmp_info = Gio::DesktopAppInfo::create(desktop_list[0][i]);
-        auto startup_class = tmp_info->get_startup_wm_class();
+        if (!tmp_info)
+          // see https://github.com/Alexays/Waybar/issues/1446
+          continue;
 
+        auto startup_class = tmp_info->get_startup_wm_class();
         if (startup_class == app_id) {
           desktop_file = desktop_list[0][i];
           break;