logic for complex pkgs, citra, pano, vdhcoapp

pkgs/vdhcoapp/default.nix

@@ -0,0 +1,79 @@
+{
+  lib,
+  fetchFromGitHub,
+  buildNpmPackage,
+  toml2json,
+  nodejs,
+  ffmpeg,
+  substituteAll,
+  makeWrapper,
+  callPackage,
+}:
+
+# This is an adaptation with buildNpmPackage based on https://github.com/milahu/nur-packages/commit/3022ffb3619182ffcd579194e1202e3978e4d55b
+
+let
+  filepicker = callPackage ./filepicker.nix { };
+in
+buildNpmPackage (
+  let
+    version = "2.0.19";
+    pname = "vdhcoapp";
+    src = fetchFromGitHub {
+      owner = "aclap-dev";
+      repo = "${pname}";
+      rev = "v${version}";
+      hash = "sha256-8xeZvqpRq71aShVogiwlVD3gQoPGseNOmz5E3KbsZxU=";
+    };
+  in
+  {
+    inherit pname version src;
+
+    sourceRoot = "${src.name}/app";
+    npmDepsHash = "sha256-E032U2XZdyTER6ROkBosOTn7bweDXHl8voC3BQEz8Wg=";
+    dontNpmBuild = true;
+
+    nativeBuildInputs = [
+      toml2json
+      makeWrapper
+    ];
+
+    patches = [
+      (substituteAll {
+        src = builtins.path {
+          path = ./code.patch;
+          name = "${src.name}-patch";
+        };
+        inherit ffmpeg;
+        filepicker = lib.getExe filepicker;
+      })
+    ];
+
+    postPatch = ''
+      # Cannot use patch, setting placeholder here
+      substituteInPlace src/native-autoinstall.js \
+        --replace process.execPath "\"${placeholder "out"}/bin/vdhcoapp\""
+    '';
+
+    preBuild = ''
+      toml2json --pretty ../config.toml > src/config.json
+    '';
+
+    installPhase = ''
+      mkdir -p $out/opt/vdhcoapp
+
+      cp -r . "$out/opt/vdhcoapp"
+
+      makeWrapper ${nodejs}/bin/node $out/bin/vdhcoapp \
+        --add-flags $out/opt/vdhcoapp/src/main.js
+    '';
+
+    meta = {
+      description = "Companion application for the Video DownloadHelper browser add-on";
+      homepage = "https://www.downloadhelper.net/";
+      license = lib.licenses.gpl2;
+      maintainers = [ lib.maintainers.wolfangaukang ];
+      mainProgram = "vdhcoapp";
+    };
+  }
+)