Add more linting (#20)

.github/workflows/lint.yaml

@@ -7,10 +7,44 @@ on:
     branches: [ main ]
 
 jobs:
-  lint:
+  shellcheck:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-        name: Checkout
-      - name: Run ShellCheck
-        uses: ludeeus/action-shellcheck@master
+      - name: "Checkout"
+        uses: "actions/checkout@v3"
+      - name: "Install Nix"
+        uses: "cachix/install-nix-action@v17"
+        with: { "extra_nix_config": "access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}" }
+      - name: "Run Shellcheck"
+        run: "nix develop --command bash -c \"find . -type f -name '*.sh' | xargs shellcheck\""
+
+  format:
+    runs-on: "ubuntu-latest"
+    steps:
+      - name: "Checkout"
+        uses: "actions/checkout@v3"
+      - name: "Install Nix"
+        uses: "cachix/install-nix-action@v17"
+        with: { "extra_nix_config": "access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}" }
+      - name: "Run Alejandra"
+        run: "nix develop --command alejandra --check ."
+
+  flake-check:
+    runs-on: "ubuntu-latest"
+    steps:
+      - name: "Checkout"
+        uses: "actions/checkout@v3"
+      - name: "Install Nix"
+        uses: "cachix/install-nix-action@v17"
+        with: { "extra_nix_config": "access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}" }
+      - name: "Check flake"
+        run: "nix flake check --all-systems"
+
+  all-required-checks-complete:
+    runs-on: "ubuntu-latest"
+    steps:
+      - run: "echo \"All required checks complete.\""
+    needs:
+      - "shellcheck"
+      - "format"
+      - "flake-check"

flake.nix

@@ -106,5 +106,20 @@
         ];
       };
     };
+    devShells = let
+      devShell = system: (
+        let
+          pkgs = import nixpkgs {inherit config system;};
+        in {
+          default = pkgs.mkShell {
+            buildInputs = [pkgs.alejandra pkgs.shellcheck];
+          };
+        }
+      );
+    in
+      builtins.listToAttrs (builtins.map (system: {
+        name = system;
+        value = devShell system;
+      }) ["aarch64-darwin" "aarch64-linux" "x86_64-linux"]);
   };
 }