Build Nix package on macOS

Author: ku1ik

.github/workflows/build_nix.yml

@@ -1,4 +1,4 @@
-name: "Build Nix package on Ubuntu"
+name: "Build Nix package"
 
 on:
   push:
@@ -8,11 +8,22 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, macos-latest]
     steps:
       - uses: actions/checkout@v6.0.2
       - uses: nixbuild/nix-quick-install-action@v34
         with:
           github_access_token: ${{ secrets.GITHUB_TOKEN }}
+      - name: Setup Nix cache
+        uses: nix-community/cache-nix-action@v7
+        with:
+          primary-key: nix-${{ runner.os }}-${{ runner.arch }}-${{ hashFiles('**/*.nix', '**/flake.lock') }}
+          restore-prefixes-first-match: |
+            nix-${{ runner.os }}-${{ runner.arch }}-default-
+            nix-${{ runner.os }}-${{ runner.arch }}-
       - name: Building package
         run: nix build