Add `nix build` CI action #92

	name: CI

	on: [push, pull_request]

	concurrency:
	group: ${{ github.ref }}
	cancel-in-progress: true

	jobs:
	e2e:
	name: End-to-end tests
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v3
	- name: Set up QEMU
	uses: docker/setup-qemu-action@v2
	with:
	platforms: linux/amd64
	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v2
	- name: Build image
	run: \|
	docker buildx build --platform linux/amd64 --file ci/e2e.dockerfile .

	nix-build:
	name: Run nix-build
	runs-on: ${{ matrix.os }}
	continue-on-error: true
	strategy:
	matrix:
	include:
	- os: ubuntu-latest
	- os: macos-latest
	steps:
	- uses: actions/checkout@v3
	- uses: cachix/install-nix-action@v22
	- run: nix flake check
	- run: nix build

	build:
	name: Build and check
	strategy:
	matrix:
	include:
	- os: ubuntu-latest
	toolchain: stable
	continue-on-error: false
	- os: ubuntu-latest
	toolchain: beta
	continue-on-error: false
	- os: ubuntu-latest
	toolchain: nightly
	continue-on-error: true
	runs-on: ${{ matrix.os }}
	continue-on-error: ${{ matrix.continue-on-error }}
	steps:
	- name: Checkout
	uses: actions/checkout@v3
	- name: Set up QEMU
	uses: docker/setup-qemu-action@v2
	with:
	platforms: linux/amd64
	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v2
	- name: Build image
	run: \|
	docker buildx build --build-arg RUST_TOOLCHAIN=${{ matrix.toolchain }} --platform linux/amd64 --file ci/build.dockerfile .

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