feat: Basic linting config

.github/workflows/lint.yml

@@ -0,0 +1,39 @@
+name: Lint
+on:
+  push:
+    branches:
+      - "main"
+      - "test/**"
+      - "release/**"
+  pull_request:
+    branches:
+      - main
+    paths:
+      - "**.go"
+      - "go.*"
+permissions:
+  contents: read
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+
+      - name: Set up Go
+        uses: actions/setup-go@d35c59abb061a4a6fb18e82ac0862c26744d6ab5 # v5.5.0
+        with:
+          go-version: "1.23.2"
+
+      - name: Format code
+        run: |
+          make format
+          git diff --exit-code ||
+            (echo "Code is not formatted. Please run 'make format' and commit the changes." && exit 1)
+
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@4afd733a84b1f43292c63897423277bb7f4313a9 # v8.0.0
+        with:
+          version: v2.2.2
+
+    timeout-minutes: 10

.golangci.yaml

@@ -0,0 +1,13 @@
+version: "2"
+linters:
+  default: none
+  enable:
+    # - errcheck
+    - govet
+    - ineffassign
+    - staticcheck
+    - unused
+formatters:
+  enable:
+    - gofmt
+    # - goimports

.mise.lock

@@ -6,6 +6,13 @@ backend = "core:go"
 "go1.23.10.darwin-arm64.tar.gz" = "sha256:25c64bfa8a8fd8e7f62fb54afa4354af8409a4bb2358c2699a1003b733e6fce5"
 "go1.23.10.linux-amd64.tar.gz" = "sha256:535f9f81802499f2a7dbfa70abb8fda3793725fcc29460f719815f6e10b5fd60"
 
+[tools.golangci-lint]
+version = "2.2.2"
+backend = "aqua:golangci/golangci-lint"
+
+[tools.golangci-lint.checksums]
+"golangci-lint-2.2.2-linux-amd64.tar.gz" = "sha256:c27fbde948a87d326feacd21df2f61a9c54dbd2e3bfa185c0a1cd6917a6f964f"
+
 [tools.protoc]
 version = "27.3"
 backend = "aqua:protocolbuffers/protobuf/protoc"

.mise.toml

@@ -3,6 +3,7 @@ experimental = true
 
 [tools]
 go = "1.23"
+golangci-lint = "2.2.2"
 protoc = "27.3"
 protoc-gen-go = "1.34.2"
 protoc-gen-go-grpc = "1.5.1"

Makefile

@@ -89,6 +89,14 @@ test-clean:
 vet:
 	go vet ./...
 
+.PHONY: format
+format:
+	go fmt ./...
+
+.PHONY: lint
+lint:
+	golangci-lint run
+
 .PHONY: docs-image-push
 docs-image:
 	docker buildx build --push --platform linux/amd64,linux/arm64 -t "$(DOCS_IMAGE)" ./docs

internal/machine/network/wireguard_linux.go

@@ -129,7 +129,7 @@ func (n *WireGuardNetwork) configureDevice(config Config) error {
 		// rotations and connection disruptions.
 		n.peers = make(map[string]*peer, len(config.Peers))
 		wgPeers := make(map[string]*wgtypes.Peer, len(dev.Peers))
-		for i, _ := range dev.Peers {
+		for i := range dev.Peers {
 			wgPeers[secret.Secret(dev.Peers[i].PublicKey[:]).String()] = &dev.Peers[i]
 		}
 		for _, pc := range config.Peers {