using desktopfile hook now

pkgs/by-name/gr/grimorie/package.nix

@@ -15,6 +15,7 @@
   sqlite,
   callPackage,
   makeDesktopItem,
+  copyDesktopItems,
 }: let
   sources = callPackage ../../../../_sources/generated.nix {};
 
@@ -38,10 +39,10 @@
 
   desktopItem = makeDesktopItem {
     name = "grimoire";
-    exec = "$out/bin/grimoire %u";
+    exec = "/bin/grimoire %u";
     desktopName = "Grimoire";
     categories = ["Utility"];
-    MimeType = "x-scheme-handler/grimoire";
+    mimeTypes = ["x-scheme-handler/grimoire"];
   };
 in
   stdenv.mkDerivation {
@@ -58,8 +59,11 @@ in
       pkg-config
       makeWrapper
       electron_40
+      copyDesktopItems
     ];
 
+    desktopItems = [desktopItem];
+
     buildInputs = [
       sqlite
     ];
@@ -97,33 +101,31 @@ in
     '';
 
     installPhase = ''
-            runHook preInstall
+      runHook preInstall
 
-            mkdir -p $out/lib/grimoire
-            cp -r dist $out/lib/grimoire/dist
+      mkdir -p $out/lib/grimoire
+      cp -r dist $out/lib/grimoire/dist
 
-            mkdir -p $out/lib/grimoire/resources
-            cp -r resources/vpkmerge $out/lib/grimoire/resources/vpkmerge
-            echo '{"name":"grimoire","version":"${version}","main":"dist/main/index.js"}' \
-              > $out/lib/grimoire/package.json
+      mkdir -p $out/lib/grimoire/resources
+      cp -r resources/vpkmerge $out/lib/grimoire/resources/vpkmerge
+      echo '{"name":"grimoire","version":"${version}","main":"dist/main/index.js"}' \
+      > $out/lib/grimoire/package.json
 
-            cp -r node_modules $out/lib/grimoire/node_modules
+      cp -r node_modules $out/lib/grimoire/node_modules
 
-            rm -rf "$out/lib/grimoire/node_modules/@grimoire"
+      rm -rf "$out/lib/grimoire/node_modules/@grimoire"
 
-            find "$out/lib/grimoire/node_modules" -type l | while read -r link; do
-              [ -e "$link" ] || rm -f "$link"
-            done
+      find "$out/lib/grimoire/node_modules" -type l | while read -r link; do
+      [ -e "$link" ] || rm -f "$link"
+      done
 
-            mkdir -p $out/bin
-            makeWrapper ${electron_40}/bin/electron $out/bin/grimoire \
-              --add-flags "$out/lib/grimoire" \
-              --set ELECTRON_RESOURCES_PATH "$out/lib/grimoire" \
-              --set NODE_ENV production
+      mkdir -p $out/bin
+      makeWrapper ${electron_40}/bin/electron $out/bin/grimoire \
+      --add-flags "$out/lib/grimoire" \
+      --set ELECTRON_RESOURCES_PATH "$out/lib/grimoire" \
+      --set NODE_ENV production
 
-      cp ${desktopItem}/share/applications/grimoire.desktop $out/share/applications/grimoire.desktop
-
-            runHook postInstall
+      runHook postInstall
     '';
 
     meta = {