Use golangci-lint to enforce linting and formatting rules

.github/workflows/golangci-lint.yml

@@ -0,0 +1,31 @@
+name: Lint
+on:
+ push:
+ branches:
+ - master
+ pull_request:
+ branches:
+ - master
+
+permissions:
+ contents: read
+
+jobs:
+ golangci:
+ name: lint
+ runs-on: ubuntu-latest
+
+ steps:
+ - uses: actions/checkout@v4
+
+ - uses: actions/setup-go@v5
+ with:
+ go-version: stable
+
+ - name: golangci-lint
+ uses: golangci/golangci-lint-action@v8
+ with:
+ version: v2.1
+ # Show only new issues until the entire repository
+ # is compliant with the new linting rules.
+ only-new-issues: true

.golangci.yml

@@ -0,0 +1,23 @@
+# Configuration of formatting and linting using https://golangci-lint.run/.
+version: "2"
+
+linters:
+ default: none
+ enable:
+ - errcheck
+ - govet
+ - ineffassign
+ - staticcheck
+ - unused
+
+formatters:
+ enable:
+ - gofmt
+ - goimports
+
+issues:
+ # Show only new issues created after the introduction of the linter.
+ new-from-rev: ea5ac7e13561f6334938261321e13a725d1c0180
+
+ # Show issues in any part of update files (requires new-from-rev or new-from-patch).
+ whole-files: true