refactor: use Nix to test, lint and build

.github/workflows/ci.yml

@@ -12,15 +12,12 @@ jobs:
     steps:
       - uses: actions/checkout@v3
 
-      - name: Set up Go
-        uses: actions/setup-go@v3
+      - uses: cachix/install-nix-action@v22
         with:
-          go-version: 1.21.0
+          github_access_token: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Test
-        uses: joerdav/[email protected]
-        with:
-          task: test-cover
+        run: nix develop --command xc test-cover
 
       - name: Copy coverage.out to temp
         run: cp coverage.out $RUNNER_TEMP
@@ -35,33 +32,32 @@ jobs:
         if: |
           github.event_name == 'push'  
 
+      - name: Build
+        run: nix build
+
   lint:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
 
-      - name: Set up Go
-        uses: actions/setup-go@v3
+      - uses: cachix/install-nix-action@v22
         with:
-          go-version: 1.21.0
+          github_access_token: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Lint
-        uses: golangci/golangci-lint-action@v3
+        uses: nix develop --command xc lint
 
   ensure-generated:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
 
-      - name: Set up Go
-        uses: actions/setup-go@v3
+      - uses: cachix/install-nix-action@v22
         with:
-          go-version: 1.21.0
+          github_access_token: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Generate
-        uses: joerdav/[email protected]
-        with:
-          task: generate
+        uses: nix develop --command xc generate
 
       - name: Ensure clean
         run: git diff --exit-code

README.md

@@ -105,7 +105,7 @@ gofmt -s -w .
 ### lint
 
 ```sh
-docker run --rm -v $(pwd):/app -w /app golangci/golangci-lint:v1.54 golangci-lint run -v
+golangci-lint run --verbose
 ```
 
 ### release
@@ -138,19 +138,3 @@ Directory: docs
 npm run build
 ```
 
-### docker-build
-
-Build a Docker container with a full development environment and Neovim setup for testing the LSP.
-
-```
-docker build -t templ:latest .
-```
-
-### docker-run
-
-Run a Docker development container in the current directory.
-
-```
-docker run -p 7474:7474 -v `pwd`:/templ -it --rm templ:latest
-```
-

flake.nix

@@ -28,7 +28,8 @@
         inherit system;
         pkgs = import nixpkgs { inherit system; };
       });
-    in rec {
+    in
+    rec {
       packages = forAllSystems ({ pkgs, ... }: rec {
         default = templ;
 
@@ -66,7 +67,9 @@
       devShell = forAllSystems ({ system, pkgs }:
         pkgs.mkShell {
           buildInputs = with pkgs; [
+            (golangci-lint.override { buildGoModule = buildGo121Module; })
             go_1_21
+            gofmt
             goreleaser
             nodejs
             xc.packages.${system}.xc