Accepts multiple GIVETH variables #1671

	name: Haskell CI

	on:
	pull_request:
	branches: [ main ]
	push:
	branches: [ main ]

	permissions:
	contents: read

	jobs:
	build:
	strategy:
	matrix:
	os: [ubuntu-latest, macos-latest]

	runs-on: ${{ matrix.os }}

	steps:
	- uses: actions/checkout@v4
	- uses: haskell-actions/setup@v2
	with:
	enable-stack: true

	- name: Cache Haskell stack
	uses: actions/cache@v4
	env:
	cache-name: cache-stack
	with:
	path: ~/.stack
	key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('lib/haskell//package.yaml','lib/haskell//stack.yaml.lock') }}
	restore-keys: \|
	${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('lib/haskell//package.yaml','lib/haskell//stack.yaml.lock') }}
	${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('lib/haskell/**/package.yaml') }}
	${{ runner.os }}-build-${{ env.cache-name }}-
	${{ runner.os }}-build-
	${{ runner.os }}-

	- name: Install Ubuntu Prerequisites (libpcre)
	if: startsWith(matrix.os, 'ubuntu')
	run: \|
	sudo apt-get install libpcre3-dev

	- name: Install MacOS Prerequisites (libpcre)
	if: startsWith(matrix.os, 'macOS')
	run: \|
	wget https://ftp.exim.org/pub/pcre/pcre-8.45.tar.gz
	tar -xvf pcre-8.45.tar.gz
	cd pcre-8.45
	./configure
	make
	sudo make install

	- name: Build and test
	run: stack test
	working-directory: lib/haskell

	- name: Check that generate .cabal files are up-to-date
	if: startsWith(matrix.os, 'ubuntu')
	run: \|
	curl -sSL https://raw.githubusercontent.com/sol/hpack/main/get-hpack.sh \| bash
	find -name 'package.yaml' -exec hpack '{}' \; && git diff --color --exit-code

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