figure out env variables #589

	name: sandwich

	on:
	pull_request:
	push:

	jobs:
	cabal:
	name: ${{ matrix.os }} / ghc ${{ matrix.ghc }}
	runs-on: ${{ matrix.os }}
	strategy:
	fail-fast: false
	matrix:
	os: [windows-latest]
	ghc:
	# - "8.6.5"
	# - "8.8.4"
	- "8.10.7"
	- "9.0.2"
	- "9.2.8"
	- "9.4.8"
	- "9.6.5"
	- "9.8.1"
	exclude:
	# Access violation in generated code when executing data at 0x6d88
	- os: windows-latest
	ghc: 8.8.4

	- os: macOS-latest
	ghc: 8.6.5
	- os: macOS-latest
	ghc: 8.8.4

	steps:
	- uses: actions/checkout@v2

	- name: Install dependencies (Windows)
	if: runner.os == 'Windows'
	run: \|
	pwd
	echo "------------"
	env
	echo "++++++++++++"
	set
	echo "============"

	- uses: haskell-actions/setup@v2
	id: setup-haskell-cabal
	name: Setup Haskell
	with:
	ghc-version: ${{ matrix.ghc }}
	cabal-version: "latest"

	- name: Freeze
	run: \|
	cabal freeze

	- uses: actions/cache/restore@v4
	id: cache-restore
	with:
	path: ${{ steps.setup-haskell-cabal.outputs.cabal-store }}
	key: ${{ runner.os }}-${{ matrix.ghc }}-${{ hashFiles('cabal.project.freeze') }}

	- name: Build
	run: \|
	cabal configure --enable-tests --enable-benchmarks --test-show-details=direct
	cabal build all

	- name: Test
	run: \|
	cabal test all

	- uses: actions/cache/save@v4
	if: always() && steps.cache-restore.outputs.cache-hit != 'true'
	with:
	path: ${{ steps.setup-haskell-cabal.outputs.cabal-store }}
	key: ${{ runner.os }}-${{ matrix.ghc }}-${{ hashFiles('cabal.project.freeze') }}

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