Enable nix based build actions (#31)

* Enable nix based build actions

* Add clippy and fmt in multi-stage build

* Rework flake

* Enable darwin target

.github/workflows/nix-github-actions.yml

@@ -0,0 +1,33 @@
+name: Nix Flake actions
+
+on:
+  pull_request:
+  push:
+    branches:
+      - master
+      - main
+
+jobs:
+  nix-matrix:
+    runs-on: ubuntu-latest
+    outputs:
+      matrix: ${{ steps.set-matrix.outputs.matrix }}
+    steps:
+      - uses: actions/checkout@v4
+      - uses: cachix/install-nix-action@v27
+      - id: set-matrix
+        name: Generate Nix Matrix
+        run: |
+          set -Eeu
+          matrix="$(nix eval --json '.#githubActions.matrix')"
+          echo "matrix=$matrix" >> "$GITHUB_OUTPUT"
+
+  nix-build:
+    needs: nix-matrix
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix: ${{fromJSON(needs.nix-matrix.outputs.matrix)}}
+    steps:
+      - uses: actions/checkout@v4
+      - uses: cachix/install-nix-action@v27
+      - run: nix build -L ".#${{ matrix.attr }}"

flake.nix

@@ -4,46 +4,28 @@
     flake-utils.url = "github:numtide/flake-utils";
     crane.url = "github:ipetkov/crane";
     crane.inputs.nixpkgs.follows = "nixpkgs";
+    nix-github-actions.url = "github:IGI-111/nix-github-actions?ref=IGI-111/add-aarch64-darwin";
+    nix-github-actions.inputs.nixpkgs.follows = "nixpkgs";
   };
-
   outputs =
     {
       self,
       nixpkgs,
       crane,
       flake-utils,
+      nix-github-actions,
       ...
     }:
-    flake-utils.lib.eachDefaultSystem (
-      system:
-      let
-        pkgs = nixpkgs.legacyPackages.${system};
-        craneLib = crane.mkLib pkgs;
-        buildInputs = with pkgs; [
-          xorg.libXi
-          xorg.libX11
-          xorg.libXcursor
-          libxkbcommon
-          fontconfig
-          libGL
-          wayland
-          openssl
-        ];
-        nativeBuildInputs = with pkgs; [
-          rustc
-          cargo
-          rustfmt
-          rustPackages.clippy
-          rust-analyzer
-          slint-lsp
-
-          pkg-config
-          # kdialog
-        ];
-        libPath = pkgs.lib.makeLibraryPath buildInputs;
-      in
-      {
-        packages.default = craneLib.buildPackage {
+    let
+      buildPackageForSystem =
+        {
+          pkgs,
+          buildInputs,
+          nativeBuildInputs,
+        }:
+        let
+          craneLib = crane.mkLib pkgs;
+          libPath = pkgs.lib.makeLibraryPath buildInputs;
           src =
             let
               # Only keeps slint files
@@ -57,19 +39,114 @@
               src = craneLib.path ./.;
               filter = sourceFilter;
             };
-
-          # Add extra inputs here or any other derivation settings
-          # doCheck = true;
-          buildInputs = buildInputs;
-          nativeBuildInputs = nativeBuildInputs;
-          LD_LIBRARY_PATH = libPath;
-        };
-        # `nix develop`
-        devShell = pkgs.mkShell {
-          buildInputs = buildInputs;
-          nativeBuildInputs = nativeBuildInputs;
-          LD_LIBRARY_PATH = libPath;
+          cargoArtifacts = craneLib.buildDepsOnly {
+            inherit src buildInputs nativeBuildInputs;
+            LD_LIBRARY_PATH = libPath;
+          };
+          kira = craneLib.buildPackage {
+            inherit
+              src
+              buildInputs
+              nativeBuildInputs
+              cargoArtifacts
+              ;
+            doNotSign = true; # FIXME: disable apple binary signature
+            LD_LIBRARY_PATH = libPath;
+          };
+        in
+        {
+          defaultPackage = kira;
+          checks = {
+            inherit kira;
+            kira-clippy = craneLib.cargoClippy {
+              inherit
+                src
+                buildInputs
+                nativeBuildInputs
+                cargoArtifacts
+                ;
+              cargoClippyExtraArgs = "--all-targets -- --deny warnings";
+            };
+            kira-fmt = craneLib.cargoFmt { inherit src; };
+          };
+          devShell = pkgs.mkShell {
+            inherit buildInputs nativeBuildInputs;
+            LD_LIBRARY_PATH = libPath;
+          };
         };
-      }
-    );
+
+      buildPackageDeps = {
+        "x86_64-linux" =
+          let
+            pkgs = nixpkgs.legacyPackages.x86_64-linux;
+          in
+          {
+            inherit pkgs;
+            buildInputs = with pkgs; [
+              xorg.libXi
+              xorg.libX11
+              xorg.libXcursor
+              libxkbcommon
+              fontconfig
+              libGL
+              wayland
+              openssl
+            ];
+            nativeBuildInputs = with pkgs; [
+              rustc
+              cargo
+              rustfmt
+              rustPackages.clippy
+              rust-analyzer
+              slint-lsp
+
+              pkg-config
+              # kdialog
+            ];
+          };
+
+        "aarch64-darwin" =
+          let
+            pkgs = nixpkgs.legacyPackages.aarch64-darwin;
+          in
+          {
+            inherit pkgs;
+            buildInputs = with pkgs; [
+              openssl
+              darwin.signingUtils
+              darwin.libiconv
+              darwin.libobjc
+              # darwin.xcode
+              # darwin.apple_sdk.sdk
+              darwin.apple_sdk.Libsystem
+              # darwin.apple_sdk.frameworks
+              darwin.apple_sdk.frameworks.SystemConfiguration
+              darwin.apple_sdk.frameworks.AppKit
+              darwin.apple_sdk.frameworks.CoreFoundation
+              darwin.apple_sdk.frameworks.Cocoa
+              darwin.apple_sdk.frameworks.Security
+            ];
+            nativeBuildInputs = with pkgs; [
+              rustc
+              cargo
+              rustfmt
+              rustPackages.clippy
+              rust-analyzer
+              slint-lsp
+
+              pkg-config
+              uutils-coreutils
+              findutils
+            ];
+          };
+      };
+    in
+    {
+      githubActions = nix-github-actions.lib.mkGithubMatrix { inherit (self) checks; };
+    }
+    // flake-utils.lib.eachSystem [
+      "x86_64-linux"
+      # "x86_64-darwin"
+      "aarch64-darwin"
+    ] (system: buildPackageForSystem buildPackageDeps."${system}");
 }