ghc-next-from-scratch #4

	name: ghc-next-from-scratch
	on:
	push:
	branches:
	- 'ghc-next*'
	schedule:
	- cron: '0 8 * * 6' # once a week. saturdays at 8am
	jobs:
	ghc-next:
	name: ${{ matrix.os }}
	runs-on: ${{ matrix.os }}-latest
	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu, macos, windows]
	steps:
	- uses: actions/checkout@v4
	- uses: haskell-actions/setup@v2
	id: setup-haskell
	with:
	ghc-version: 9.10.1
	cabal-version: 'latest'
	- name: Install build tools (macOS)
	run: brew install automake
	if: matrix.os == 'macos'
	- name: Configure msys2 (windows)
	shell: bash
	run: \|-
	echo "MSYSTEM=CLANG64" >> $GITHUB_ENV
	echo "/c/mingw64/usr/bin" >> $GITHUB_PATH
	echo "/c/msys64/usr/bin" >> $GITHUB_PATH
	if: matrix.os == 'windows'
	- name: Run hlint-from-scratch (windows)
	shell: C:\msys64\usr\bin\bash.exe --noprofile --norc -e -o pipefail '{0}'
	run: \|-
	GHCLIB_AZURE=1; export GHCLIB_AZURE
	pacman -S autoconf automake-wrapper make patch python tar mintty --noconfirm
	git clone https://github.com/shayne-fletcher/hlint-from-scratch.git
	hlint-from-scratch/hlint-from-scratch.sh --init="$HOME/project"
	hlint-from-scratch/hlint-from-scratch.sh --ghc-flavor="ghc-master" --no-checkout
	if: matrix.os == 'windows'
	- name: Run hlint-from-scratch (unix)
	shell: bash
	run: \|-
	GHCLIB_AZURE=1; export GHCLIB_AZURE
	git clone https://github.com/shayne-fletcher/hlint-from-scratch.git
	hlint-from-scratch/hlint-from-scratch.sh --init="$HOME/project"
	hlint-from-scratch/hlint-from-scratch.sh --ghc-flavor="ghc-master" --no-checkout
	if: matrix.os == 'ubuntu' \|\| matrix.os == 'macos'

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