Build

Update CI to use new devenv flake #275

	---
	name: Build

	on:
	push:
	branches:
	- main
	pull_request:
	types:
	- opened
	- synchronize
	concurrency:
	group: build-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	haskell:
	strategy:
	matrix:
	os:
	# - macos-13 # x86_64-darwin
	# - macos-latest # aarch64-darwin
	- ubuntu-latest # x86_64-linux
	fail-fast: true
	runs-on: ${{ matrix.os }}
	timeout-minutes: 30
	steps:
	- name: Checkout code
	uses: actions/checkout@v4
	- name: Install Nix
	uses: DeterminateSystems/nix-installer-action@v16
	with:
	extra-conf: accept-flake-config = true
	- name: Setup devenv binary cache
	uses: cachix/cachix-action@v15
	with:
	name: devenv
	- name: Install devenv
	run: nix-env -if https://github.com/cachix/devenv/archive/refs/tags/v1.3.1.tar.gz
	- name: Set locales
	run: \|
	locale
	export LANG=en_US.UTF-8
	export LC_ALL=C.UTF-8
	export GHC_CHARENC=GHC_NO_UNICODE
	echo "---------------"
	locale
	- name: Cache ~/.cabal/packages, ~/.cabal/store and dist-newstyle
	uses: actions/cache@v4
	with:
	path: \|
	~/.cabal/packages
	~/.cabal/store
	dist-newstyle
	key: ${{ runner.os }}-${{ matrix.ghc }}-${{ hashFiles('*/.cabal') }}
	restore-keys: ${{ runner.os }}-${{ matrix.ghc }}-
	- name: Update Cabal list of known packages.
	run: nix develop --no-pure-eval -c cabal update
	- name: Compile code ${{ matrix.ghc }}
	run: nix develop --no-pure-eval -c cabal build
	- name: Run tests ${{ matrix.ghc }}
	run: nix develop --no-pure-eval -c cabal test

	# docker:
	# uses: ./.github/workflows/reusable-docker.yml
	# with:
	# push: false

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