stack

Stack CI: restrict tests to Linux because of failures #2

	name: stack
	on:
	push:
	branches:
	- master
	pull_request:
	branches:
	- master

	defaults:
	run:
	shell: bash

	jobs:
	stack:
	name: Stack ${{ matrix.os }}
	runs-on: ${{ matrix.os }}
	timeout-minutes: 60
	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu-latest, macos-latest, windows-latest]

	env:
	stack: 'stack --system-ghc --no-install-ghc'

	steps:

	- uses: actions/checkout@v4

	- name: Install GHC and stack with haskell-actions/setup
	uses: haskell-actions/setup@v2
	id: setup
	with:
	## Keep the GHC version in sync with stack.yaml
	ghc-version: 9.8.2
	enable-stack: true
	cabal-update: false

	- name: Restore cached dependencies
	uses: actions/cache/restore@v4
	id: cache
	with:
	path: \|
	${{ steps.setup.outputs.stack-root }}
	key: ${{ runner.os }}-stack-${{ steps.setup.outputs.stack-version }}-ghc-${{ steps.setup.outputs.ghc-version }}-hash-${{ github.sha }}
	restore-keys: \|
	${{ runner.os }}-stack-${{ steps.setup.outputs.stack-version }}-ghc-${{ steps.setup.outputs.ghc-version }}-

	- name: Build dependencies
	if: steps.cache.outputs.cache-hit != 'true'
	run: ${{ env.stack }} test --dependencies-only

	- name: Build w/ tests
	run: ${{ env.stack }} test --no-run-tests

	# Tests fail on macOS and Window
	- name: Run tests
	if: runner.os == 'Linux'
	run: ${{ env.stack }} test

	- name: Cache dependencies
	if: always() && steps.cache.outputs.cache-hit != 'true'
	uses: actions/cache/save@v4
	with:
	path: \|
	${{ steps.setup.outputs.stack-root }}
	key: ${{ steps.cache.outputs.cache-primary-key }}

Provide feedback