build #1107

	name: build

	on:
	pull_request:
	types: [opened, synchronize]
	merge_group:
	types: [checks_requested]

	jobs:
	tests:
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	goVersion: [1.19.x, 1.20.x]
	steps:
	- name: Checkout
	uses: actions/checkout@v2

	- name: Unshallow
	run: git fetch --prune --unshallow

	- name: Setup Go
	uses: actions/setup-go@v3
	with:
	go-version: ${{ matrix.goVersion }}
	cache: true

	- name: Set go env
	run: \|
	echo "GOPATH=$(go env GOPATH)" >> $GITHUB_ENV
	echo "$(go env GOPATH)/bin" >> $GITHUB_PATH

	- name: Pull external libraries
	run: make vendor

	- name: Run tests
	run: make test

	- name: Publish test coverage
	uses: codecov/codecov-action@v1

	fmt:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout
	uses: actions/checkout@v2

	- name: Setup Go
	uses: actions/setup-go@v3
	with:
	go-version: 1.18.x

	# No need to download cached dependencies when running gofmt.
	cache: false

	- name: Run gofmt
	run: \|
	# -l: list files that were reformatted
	# -w: write back formatted files to disk
	gofmt -l -w ./

	- name: Fail on differences
	run: \|
	# Exit with status code 1 if there are differences (i.e. unformatted files)
	git diff --exit-code

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