[feat] Add Nix Flake

flake.nix

@@ -0,0 +1,127 @@
+{
+  description = "Nix Flake for Tauri development";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.11";
+    rust-overlay.url = "github:oxalica/rust-overlay";
+    nixgl-overlay.url = "github:nix-community/nixGL";
+  };
+
+  outputs = {
+    self,
+    nixpkgs,
+    nixgl-overlay,
+    rust-overlay,
+  }: let
+    allSystems = fn:
+      nixpkgs.lib.genAttrs [
+        "x86_64-linux"
+        "aarch64-linux"
+        "aarch64-darwin"
+      ] (system:
+        fn (import nixpkgs {
+          inherit system;
+          overlays = [nixgl-overlay.overlay rust-overlay.overlays.default];
+        }));
+
+    builder = {
+      lib,
+      stdenv,
+      pnpm,
+      darwin,
+      libsoup_3,
+      openssl,
+      webkitgtk_4_1,
+      pkg-config,
+      cargo-tauri,
+      nodejs-slim_22,
+      glib-networking,
+      rustPlatform,
+      wrapGAppsHook3,
+    }: let
+      src = ./apps/desktop/.;
+      toml = (lib.importTOML ./apps/desktop/src-tauri/Cargo.toml).package;
+    in
+      rustPlatform.buildRustPackage rec {
+        inherit src;
+        inherit (toml) version;
+
+        pname = toml.name;
+
+        cargoRoot = "src-tauri";
+        cargoLock.lockFile = "${src}/src-tauri/Cargo.lock";
+        buildAndTestSubdir = cargoRoot;
+
+        pnpmDeps = pnpm.fetchDeps {
+          inherit pname version src;
+          hash = "sha256-25uQRLB9ZqAJxbOIP2RwCAL5v3XBEaDl/MSsX1z0Ucw=";
+          lockFile = builtins.toFile "pnpm-lock.yaml" (builtins.readFile ./pnpm-lock.yaml);
+        };
+
+        nativeBuildInputs = [
+          pkg-config
+          nodejs-slim_22
+          wrapGAppsHook3
+          pnpm.configHook
+          cargo-tauri.hook
+        ];
+
+        buildInputs =
+          [openssl]
+          ++ lib.optionals stdenv.isLinux [
+            libsoup_3
+            webkitgtk_4_1
+            glib-networking
+          ]
+          ++ lib.optionals stdenv.isDarwin (with darwin.apple_sdk.frameworks; [
+            AppKit
+            WebKit
+            Security
+            CoreServices
+          ]);
+
+        meta = {
+          description = "";
+          homepage = "";
+          license = lib.licenses.gpl3;
+          mainProgram = "kunkun";
+          platforms = ["x86_64-linux"];
+        };
+      };
+  in {
+    packages = allSystems (pkgs:
+      with pkgs; {
+        NameOfPkg = callPackage builder {};
+        default = self.packages.${system}.NameOfPkg;
+      });
+
+    devShells = allSystems (pkgs:
+      with pkgs; let
+        rust = rust-bin.fromRustupToolchainFile ./Toolchain.toml;
+      in {
+        default = mkShell {
+          packages = [
+            rust
+            rust-analyzer-unwrapped
+            rust-bin.nightly."2024-04-07".rustfmt
+            pnpm
+            nodejs-slim_22
+            nixgl.nixGLMesa
+          ];
+
+          buildInputs = [gtk3];
+
+          env = {
+            RUST_BACKTRACE = "full";
+            RUST_SRC_PATH = "${rust}/lib/rustlib/src/rust/library/";
+            GIO_MODULE_DIR = "${glib-networking}/lib/gio/modules/";
+            PKG_CONFIG_PATH = "${libsoup_3.dev}/lib/pkgconfig:${webkitgtk_4_1.dev}/lib/pkgconfig";
+            LOCALE_ARCHIVE =
+              if system == "x86_64-linux"
+              then "${glibcLocales}/lib/locale/locale-archive"
+              else "";
+          };
+        };
+      });
+  };
+}