Merge pull request #48 from kivikakk/nix-in-ci

workflows: use Nix in CI.

.github/workflows/spec.yml

@@ -10,7 +10,8 @@ jobs:
       - uses: actions/checkout@v3
         with:
           submodules: recursive
-      - uses: goto-bus-stop/setup-zig@v1
-        with:
-          version: 0.11.0
-      - run: make spec
+      - name: Install Nix
+        uses: DeterminateSystems/nix-installer-action@v4
+      - name: Run the Magic Nix Cache
+        uses: DeterminateSystems/magic-nix-cache-action@v2
+      - run: nix build '.?submodules=1#specs' -L

.github/workflows/zig.yml

@@ -5,29 +5,20 @@ on:
   pull_request:
 
 jobs:
-  test-linux:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v3
-        with:
-          submodules: recursive
-      - uses: goto-bus-stop/setup-zig@v1
-        with:
-          version: 0.11.0
-      - run: zig build
-      - run: zig build test
-  test-macos:
-    runs-on: macos-latest
+  test-nix:
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+    runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v3
         with:
           submodules: recursive
-      - uses: goto-bus-stop/setup-zig@v1
-        with:
-          version: 0.11.0
-      - run: brew install pcre
-      - run: zig build
-      - run: zig build test
+      - name: Install Nix
+        uses: DeterminateSystems/nix-installer-action@v4
+      - name: Run the Magic Nix Cache
+        uses: DeterminateSystems/magic-nix-cache-action@v2
+      - run: nix build '.?submodules=1' -L
   test-windows:
     runs-on: windows-latest
     steps:
@@ -48,7 +39,8 @@ jobs:
       - uses: actions/checkout@v3
         with:
           submodules: recursive
-      - uses: goto-bus-stop/setup-zig@v1
-        with:
-          version: 0.11.0
-      - run: zig fmt --check src/*.zig
+      - name: Install Nix
+        uses: DeterminateSystems/nix-installer-action@v4
+      - name: Run the Magic Nix Cache
+        uses: DeterminateSystems/magic-nix-cache-action@v2
+      - run: nix develop --command zig fmt --check src/*.zig

.gitignore

@@ -1,2 +1,3 @@
 /zig-*
 koino.code-workspace
+/result*

flake.nix

@@ -0,0 +1,38 @@
+{
+  outputs = {
+    self,
+    nixpkgs,
+    flake-utils,
+    ...
+  }:
+    flake-utils.lib.eachDefaultSystem (system: let
+      pkgs = nixpkgs.legacyPackages.${system};
+      inherit (pkgs) lib;
+    in rec {
+      packages.default = pkgs.stdenv.mkDerivation {
+        name = "koino-build";
+
+        src = ./.;
+
+        nativeBuildInputs = [pkgs.zig pkgs.pcre pkgs.python311];
+
+        buildPhase = ''
+          export ZIG_GLOBAL_CACHE_DIR="$TMPDIR/zig"
+          zig build test
+          touch $out
+        '';
+
+        dontInstall = true;
+      };
+
+      packages.specs = packages.default.overrideAttrs {
+        buildPhase = ''
+          export ZIG_GLOBAL_CACHE_DIR="$TMPDIR/zig"
+          make spec
+          touch $out
+        '';
+      };
+
+      formatter = pkgs.alejandra;
+    });
+}