feat(ci-cd): Use nix build to build the program

.github/workflows/pr-tests.yaml

@@ -11,16 +11,14 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-      - name: Setup Go ${{ matrix.go-version }}
-        uses: actions/setup-go@v5
-        with:
-          go-version: ${{ matrix.go-version }}
-      # You can test your matrix by printing the current Go version
-      - name: Display Go version
-        run: go version
 
-      - name: Get dependencies
-        run: go mod download
+      - uses: cachix/install-nix-action@v27
+        with:
+          github_access_token: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Check Nix flake
+        run: nix flake check
 
       - name: Run tests
-        run: go test -v ./...
+        run: nix develop --command bash -c 'go test ./...'
+

flake.nix

@@ -15,28 +15,35 @@
     utils.lib.eachDefaultSystem (system:
       let
         pkgs = import nixpkgs {
-            inherit system;
-            overlays = [
-              (final: prev: {
-                go = prev.go_1_22;
-                buildGoModule = prev.buildGo122Module;
-              })
-              gomod2nix.overlays.default
-            ];
-          };
-      in {
-        defaultPackage = pkgs.buildGoModule {
-          pname = "github.com/Myzel394/config-lsp";
-          version = "v0.0.1";
-          src = ./.;
-          vendorHash = "sha256-KhyqogTyb3jNrGP+0Zmn/nfx+WxzjgcrFOp2vivFgT0=";
-        };
-        devShell = pkgs.mkShell {
-          buildInputs = [
-            pkgs.go_1_22
-            pkgs.wireguard-tools
+          inherit system;
+          overlays = [
+            (final: prev: {
+              go = prev.go_1_22;
+              buildGoModule = prev.buildGo122Module;
+            })
+            gomod2nix.overlays.default
           ];
         };
+        inputs = [
+          pkgs.go_1_22
+          pkgs.wireguard-tools
+        ];
+      in {
+        packages = {
+          default = pkgs.buildGoModule {
+            nativeBuildInputs = inputs;
+            pname = "github.com/Myzel394/config-lsp";
+            version = "v0.0.1";
+            src = ./.;
+            vendorHash = "sha256-KhyqogTyb3jNrGP+0Zmn/nfx+WxzjgcrFOp2vivFgT0=";
+            checkPhase = ''
+              go test -v $(pwd)/...
+            '';
+          };
+        };
+        devShells.default = pkgs.mkShell {
+          buildInputs = inputs;
+        };
       }
     );
 }