From b67aa192ba63a0abef5726fab3f2cfba3043cc29 Mon Sep 17 00:00:00 2001
From: DarkOnion0 <Darkgenius1@protonmail.com>
Date: Sat, 22 Jan 2022 17:58:41 +0100
Subject: [PATCH] drawio: add a check phase

---
 pkgs/applications/graphics/drawio/default.nix | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pkgs/applications/graphics/drawio/default.nix b/pkgs/applications/graphics/drawio/default.nix
index 91e767a168f..54efd0bf136 100644
--- a/pkgs/applications/graphics/drawio/default.nix
+++ b/pkgs/applications/graphics/drawio/default.nix
@@ -86,6 +86,12 @@ stdenv.mkDerivation rec {
       --replace /opt/drawio/drawio $out/bin/drawio
   '';
 
+  doInstallCheckPhase = true;
+
+  installCheckPhase = ''
+    $out/bin/drawio --help > /dev/null
+  '';
+
   meta = with lib; {
     description = "A desktop application for creating diagrams";
     homepage = "https://about.draw.io/";