build

Add support for GHC JSON diagnostics #1289

	name: build

	concurrency:
	group: ${{ github.workflow }}-${{ github.head_ref \|\| github.run_id }}
	cancel-in-progress: true

	on:
	pull_request:
	branches:
	- main
	schedule:
	- cron: 0 0 * * *

	jobs:
	build:
	name: ${{ matrix.os }} / GHC ${{ matrix.ghc }}
	runs-on: ${{ matrix.os }}

	strategy:
	matrix:
	os:
	- ubuntu-latest
	ghc:
	- '9.4'
	- '9.6'
	- '9.8'
	- '9.10'
	include:
	- os: macos-12
	ghc: system
	steps:
	- uses: actions/checkout@v3
	- uses: hspec/setup-haskell@v1
	with:
	ghc-version: ${{ matrix.ghc }}
	id: setup-haskell

	- uses: actions/cache@v3
	with:
	path: ${{ runner.os == 'Windows' && 'C:/cabal/store/' \|\| runner.os == 'macOS' && '~/.cabal/store/' \|\| '~/.local/state/cabal/store/' }}
	key: ${{ runner.os }}-${{ steps.setup-haskell.outputs.ghc-version }}-${{ github.run_id }}
	restore-keys: ${{ runner.os }}-${{ steps.setup-haskell.outputs.ghc-version }}-

	- shell: bash
	run: ghcup install cabal latest --set

	- shell: bash
	run: git config --global init.defaultBranch main

	- shell: bash
	run: cabal update

	- shell: bash
	run: cabal build all

	- shell: bash
	run: echo \| cabal repl sensei --build-depends hspec-meta

	- shell: bash
	run: cabal exec -- $(cabal list-bin spec) --times --print-slow
	env:
	HSPEC_OPTIONS: --color

	success:
	needs: build
	runs-on: ubuntu-latest
	if: always() # this is required as GitHub considers "skipped" jobs as "passed" when checking branch protection rules

	steps:
	- run: false
	if: needs.build.result != 'success'

	- uses: actions/checkout@v3
	- name: Check for trailing whitespace
	run: '! git grep -I "\s\+$"'

Provide feedback