ci: introduce linting

.github/workflows/golangci-lint.yml

@@ -0,0 +1,58 @@
+name: golangci-lint
+
+on:
+  push:
+    tags:
+      - v*
+    branches:
+      - main
+  pull_request:
+
+permissions:
+  contents: read
+  # Optional: allow read access to pull request. Use with `only-new-issues` option.
+  # pull-requests: read
+
+jobs:
+  golangci:
+    name: lint
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        go: ['1.19', '1.20']
+    steps:
+      - uses: actions/setup-go@v3
+        with:
+          go-version: ${{ matrix.go }}
+      - uses: actions/checkout@v3
+
+      - name: Format
+        run: go fmt
+
+      - name: Vet
+        run: go vet
+
+      - name: lint
+        uses: golangci/golangci-lint-action@v3
+        #with:
+          # Optional: version of golangci-lint to use in form of v1.2 or v1.2.3 or `latest` to use the latest version
+          #version: v1.29
+
+          # Optional: working directory, useful for monorepos
+          # working-directory: somedir
+
+          # Optional: golangci-lint command line arguments.
+          # args: --issues-exit-code=0
+
+          # Optional: show only new issues if it's a pull request. The default value is `false`.
+          # only-new-issues: true
+
+          # Optional: if set to true then the all caching functionality will be complete disabled,
+          #           takes precedence over all other caching options.
+          # skip-cache: true
+
+          # Optional: if set to true then the action don't cache or restore ~/go/pkg.
+          # skip-pkg-cache: true
+
+          # Optional: if set to true then the action don't cache or restore ~/.cache/go-build.
+          # skip-build-cache: true

.github/workflows/test.yml

@@ -12,22 +12,16 @@ jobs:
       matrix:
         go: ['1.19', '1.20']
     steps:
-    - uses: actions/checkout@v3
     - uses: actions/setup-go@v3
       with:
         go-version: ${{ matrix.go }}
+    - uses: actions/checkout@v3
 
     - name: Get dependencies
       run: |
         go get golang.org/x/tools/cmd/cover
         go get github.com/mattn/goveralls
 
-    - name: Format
-      run: go fmt
-
-    - name: Vet
-      run: go vet
-
     - name: Test
       run: go test -race -v -covermode=atomic -coverprofile=coverage.out