turnon: fix crashing due to missing gschema file (#384547)

pkgs/by-name/tu/turnon/package.nix

@@ -8,21 +8,31 @@
   libadwaita,
   blueprint-compiler,
   wrapGAppsHook4,
+  gsettings-desktop-schemas,
 }:
 
 rustPlatform.buildRustPackage rec {
   pname = "turnon";
-  version = "2.3.1";
+  version = "2.3.4";
 
   src = fetchFromGitHub {
     owner = "swsnr";
     repo = "turnon";
     rev = "v${version}";
-    hash = "sha256-Dl0uTPXy57W18WBxHpytL6Nq9tTrzYOdC3u1O4Dnm3w=";
+    hash = "sha256-eKJRyQMZOa/QRUW0VQ0EkXbJSMcYHfCC9wTs0YEB1yo=";
   };
 
   useFetchCargoVendor = true;
-  cargoHash = "sha256-EL7xLXtOzvitVMsDeMUcLR9hdvM2wjBZBEgJPJLanUE=";
+  cargoHash = "sha256-SjENjQjdg5Vrpd911QOcH9lmW7+BACaN4a/oGb2miI4=";
+
+  doCheck = true;
+
+  checkFlags = [
+    # Skipped due to "Permission denied (os error 13)"
+    "--skip=net::ping::tests::ping_loopback_ipv4"
+    "--skip=net::ping::tests::ping_loopback_ipv6"
+    "--skip=net::ping::tests::ping_with_timeout_unroutable"
+  ];
 
   nativeBuildInputs = [
     cairo
@@ -34,13 +44,18 @@ rustPlatform.buildRustPackage rec {
 
   buildInputs = [
     libadwaita
+    gsettings-desktop-schemas
   ];
 
   strictDeps = true;
 
-  preBuild = ''
-    blueprint-compiler format resources/**/*.blp
-  '';
+  postInstall =
+    # The build.rs compiles the settings schema and writes the compiled file next to the .xml file.
+    # This copies the compiled file to a path that can be detected by gsettings-desktop-schemas
+    ''
+      mkdir -p "$out/share/glib-2.0/schemas"
+      cp "schemas/gschemas.compiled" "$out/share/glib-2.0/schemas"
+    '';
 
   meta = {
     description = "Turn on devices in your local network";