lint #538

	on: [push, pull_request]
	name: Build, Test, Tidy
	jobs:
	build:
	runs-on: ubuntu-latest
	name: build
	steps:
	- uses: actions/checkout@v2
	- name: Setup go
	uses: actions/setup-go@v2
	with:
	go-version: "1.21"
	- run: go build ./...

	test:
	runs-on: ubuntu-latest
	name: test
	steps:
	- name: Install Go
	uses: actions/setup-go@v2
	with:
	go-version: "1.21"
	- name: Checkout code
	uses: actions/checkout@v2
	- name: Test
	run: go test ./...

	# Use --check or --exit-code when available (Go 1.19?)
	# https://github.com/golang/go/issues/27005
	tidy:
	runs-on: ubuntu-latest
	name: tidy
	steps:
	- uses: actions/checkout@v2
	- name: Setup go
	uses: actions/setup-go@v2
	with:
	go-version: "1.21"
	- run: \|
	go mod tidy
	CHANGES_IN_REPO=$(git status --porcelain)
	if [[ -n "$CHANGES_IN_REPO" ]]; then
	echo "Repository is dirty. Showing 'git status' and 'git --no-pager diff' for debugging now:"
	git status && git --no-pager diff
	exit 1
	fi

Provide feedback