Lint

Enhance CI/CD workflows and development environment #10

	name: Lint

	on:
	push:
	branches:
	- main
	- "hk/**"
	- "feature/**"
	pull_request:
	branches:
	- main

	# Cancel in-progress runs for the same workflow and ref
	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	permissions:
	contents: read
	pull-requests: read

	jobs:
	lint:
	name: golangci-lint
	runs-on: ubuntu-latest
	timeout-minutes: 10

	steps:
	- name: Checkout code
	uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- name: Setup Go
	uses: actions/setup-go@v5
	with:
	go-version-file: go.mod
	cache: true
	cache-dependency-path: \|
	go.sum

	- name: Cache golangci-lint
	uses: actions/cache@v4
	with:
	path: ~/.cache/golangci-lint
	key: ${{ runner.os }}-golangci-lint-${{ hashFiles('.golangci.yml') }}
	restore-keys: \|
	${{ runner.os }}-golangci-lint-

	- name: Run golangci-lint
	uses: golangci/golangci-lint-action@v6
	with:
	version: v2.3.0
	args: --timeout=5m --config=.golangci.yml
	skip-cache: false

	- name: Verify golangci-lint config
	run: golangci-lint config verify

	formatting:
	name: Check formatting
	runs-on: ubuntu-latest
	timeout-minutes: 5

	steps:
	- name: Checkout code
	uses: actions/checkout@v4

	- name: Setup Go
	uses: actions/setup-go@v5
	with:
	go-version-file: go.mod
	cache: true

	- name: Check go fmt
	run: \|
	unformatted=$(gofmt -l .)
	if [ -n "$unformatted" ]; then
	echo "The following files are not formatted:"
	echo "$unformatted"
	exit 1
	fi

	- name: Check go vet
	run: go vet ./...

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