Bump actions/checkout from 3 to 4 #65

	name: CI
	on:
	push:
	branches:
	- main
	pull_request:
	types:
	- opened
	- synchronize
	jobs:
	ormolu:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: haskell-actions/run-ormolu@v14
	ci:
	name: Run tests
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	ghc:
	- 8.6.5
	- 8.8.4
	- 8.10.7
	- 9.0.2
	- 9.2.7
	- 9.4.5
	steps:
	- uses: actions/checkout@v4
	- uses: haskell/actions/setup@v2
	id: setup-haskell
	with:
	ghc-version: ${{ matrix.ghc }}
	- name: Setup cabal-docspec
	run: \|
	CABAL_DIR=~/.cabal/bin
	echo "$CABAL_DIR" >> $GITHUB_PATH
	DOCSPEC="$CABAL_DIR/cabal-docspec"
	mkdir -p "$CABAL_DIR"
	curl -sL https://github.com/phadej/cabal-extras/releases/download/cabal-docspec-$CABAL_DOCSPEC_VERSION/cabal-docspec-$CABAL_DOCSPEC_VERSION-x86_64-linux.xz \| xz -d > "$DOCSPEC"
	chmod +x "$DOCSPEC"
	"$DOCSPEC" --version
	env:
	CABAL_DOCSPEC_VERSION: "0.0.0.20230517"

	- name: Configure
	run: cabal configure --enable-tests
	- name: Freeze build
	run: cabal freeze
	- uses: actions/cache@v3
	with:
	path: ${{ steps.setup-haskell.outputs.cabal-store }}
	key: cabal-${{ matrix.ghc }}-${{ hashFiles('cabal.project.freeze') }}
	restore-keys: \|
	cabal-${{ matrix.ghc }}

	- name: Build dependencies
	run: cabal build --only-dependencies
	- name: Build
	run: cabal build
	- name: Run tests
	run: cabal test --test-show-details=direct
	- name: Run docspec
	run: ./docspec.sh
	- run: cabal check

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