ci(workflows): run on mac also

Author: BirdeeHub

.github/workflows/nix-build.yml

@@ -1,11 +1,22 @@
-name: "Nix build"
+name: Tests
+
 on:
-  pull_request:
   push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
 jobs:
-  checks:
-    runs-on: ubuntu-latest
+  test:
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+    runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v6
-    - uses: DeterminateSystems/nix-installer-action@v22
-    - run: nix flake check -Lv
+      - uses: actions/checkout@v6
+        with:
+          fetch-depth: 0
+      - name: Install Nix
+        uses: DeterminateSystems/nix-installer-action@main
+      - name: Run checks
+        run: nix flake check -Lvv --log-format bar-with-logs

flake.nix

@@ -37,6 +37,7 @@
           BINDIR = placeholder "out" + "/bin";
           LIBDIR = placeholder "out" + "/lib/lua/" + (finalAttrs.passthru.luaModule or lua).luaversion;
           LUADIR = placeholder "out" + "/share/lua/" + (finalAttrs.passthru.luaModule or lua).luaversion;
+          LIBFLAG = if lua.stdenv.isDarwin then "-bundle -undefined dynamic_lookup" else "-shared";
           meta.mainProgram = "tomlua";
           meta.maintainers = [ lib.maintainers.birdee ];
           doCheck = false;