modrinth-app: use pnpm.fetchDeps

pkgs/by-name/mo/modrinth-app-unwrapped/package.nix

@@ -1,27 +1,23 @@
 {
   lib,
   stdenv,
-  stdenvNoCC,
   fetchFromGitHub,
   rustPlatform,
   buildGoModule,
   nix-update-script,
   modrinth-app-unwrapped,
-  cacert,
   cargo-tauri,
   desktop-file-utils,
   esbuild,
   darwin,
-  jq,
   libsoup,
-  moreutils,
   pnpm_8,
   nodejs,
   openssl,
   pkg-config,
   webkitgtk_4_0,
 }:
-rustPlatform.buildRustPackage {
+rustPlatform.buildRustPackage rec {
   pname = "modrinth-app-unwrapped";
   version = "0.7.1";
 
@@ -39,46 +35,17 @@ rustPlatform.buildRustPackage {
     };
   };
 
-  pnpm-deps = stdenvNoCC.mkDerivation (finalAttrs: {
-    pname = "${modrinth-app-unwrapped.pname}-pnpm-deps";
-    inherit (modrinth-app-unwrapped) version src;
-    sourceRoot = "${finalAttrs.src.name}/theseus_gui";
-
-    dontConfigure = true;
-    dontBuild = true;
-    doCheck = false;
-
-    nativeBuildInputs = [
-      cacert
-      jq
-      moreutils
-      pnpm_8
-    ];
-
-    # https://github.com/NixOS/nixpkgs/blob/763e59ffedb5c25774387bf99bc725df5df82d10/pkgs/applications/misc/pot/default.nix#L56
-    installPhase = ''
-      export HOME=$(mktemp -d)
-
-      pnpm config set store-dir "$out"
-      pnpm install --frozen-lockfile --ignore-script --force
-
-      # remove timestamp and sort json files
-      rm -rf "$out"/v3/tmp
-      for f in $(find "$out" -name "*.json"); do
-        sed -i -E -e 's/"checkedAt":[0-9]+,//g' $f
-        jq --sort-keys . "$f" | sponge "$f"
-      done
-    '';
-
-    dontFixup = true;
-    outputHashMode = "recursive";
-    outputHash = "sha256-g/uUGfC9TQh0LE8ed51oFY17FySoeTvfaeEpzpNeMao=";
-  });
+  pnpmDeps = pnpm_8.fetchDeps {
+    inherit pname version src;
+    sourceRoot = "${src.name}/theseus_gui";
+    hash = "sha256-g/uUGfC9TQh0LE8ed51oFY17FySoeTvfaeEpzpNeMao=";
+  };
+  pnpmRoot = "theseus_gui";
 
   nativeBuildInputs = [
     cargo-tauri.hook
     desktop-file-utils
-    pnpm_8
+    pnpm_8.configHook
     nodejs
     pkg-config
   ];
@@ -116,19 +83,6 @@ rustPlatform.buildRustPackage {
     );
   };
 
-  postPatch = ''
-    export HOME=$(mktemp -d)
-    export STORE_PATH=$(mktemp -d)
-
-    pushd theseus_gui
-    cp -rT ${modrinth-app-unwrapped.pnpm-deps} "$STORE_PATH"
-    chmod -R +w "$STORE_PATH"
-
-    pnpm config set store-dir "$STORE_PATH"
-    pnpm install --offline --frozen-lockfile --ignore-script
-    popd
-  '';
-
   postInstall =
     lib.optionalString stdenv.hostPlatform.isDarwin ''
       mv "$out"/Applications/Modrinth\ App.app/Contents/MacOS/Modrinth\ App "$out"/bin/modrinth-app