Add github CI

.github/scripts/brew.sh

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+#!/bin/sh
+
+set -eux
+
+. .github/scripts/env.sh
+
+if [ -e "$HOME/.brew" ] ; then
+	(
+	cd "$HOME/.brew"
+	git fetch --depth 1
+	git reset --hard origin/master
+	)
+else
+	git clone --depth=1 https://github.com/Homebrew/brew "$HOME/.brew"
+fi
+export PATH="$HOME/.brew/bin:$HOME/.brew/sbin:$PATH"
+
+mkdir -p $CI_PROJECT_DIR/.brew_cache
+export HOMEBREW_CACHE=$CI_PROJECT_DIR/.brew_cache
+mkdir -p $CI_PROJECT_DIR/.brew_logs
+export HOMEBREW_LOGS=$CI_PROJECT_DIR/.brew_logs
+mkdir -p /private/tmp/.brew_tmp
+export HOMEBREW_TEMP=/private/tmp/.brew_tmp
+
+brew update
+brew install ${1+"$@"}
+
+
+set -eux
+
+. .github/scripts/env.sh
+
+if [ -e "$HOME/.brew" ] ; then
+	(
+	cd "$HOME/.brew"
+	git fetch --depth 1
+	git reset --hard origin/master
+	)
+else
+	git clone --depth=1 https://github.com/Homebrew/brew "$HOME/.brew"
+fi
+export PATH="$HOME/.brew/bin:$HOME/.brew/sbin:$PATH"
+
+mkdir -p $CI_PROJECT_DIR/.brew_cache
+export HOMEBREW_CACHE=$CI_PROJECT_DIR/.brew_cache
+mkdir -p $CI_PROJECT_DIR/.brew_logs
+export HOMEBREW_LOGS=$CI_PROJECT_DIR/.brew_logs
+mkdir -p /private/tmp/.brew_tmp
+export HOMEBREW_TEMP=/private/tmp/.brew_tmp
+
+brew update
+brew install ${1+"$@"}
+

.github/scripts/env.sh

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+#!/bin/sh
+
+if [ "${RUNNER_OS}" = "Windows" ] ; then
+	ext=".exe"
+else
+	ext=''
+fi
+
+export DEBIAN_FRONTEND=noninteractive
+export TZ=Asia/Singapore
+
+export OS="$RUNNER_OS"
+export PATH="$HOME/.local/bin:$PATH"
+
+if [ "${RUNNER_OS}" = "Windows" ] ; then
+	# on windows use pwd to get unix style path
+	CI_PROJECT_DIR="$(pwd)"
+	export CI_PROJECT_DIR
+    export GHCUP_INSTALL_BASE_PREFIX="/c"
+    export GHCUP_BIN="$GHCUP_INSTALL_BASE_PREFIX/ghcup/bin"
+    export PATH="$GHCUP_BIN:$PATH"
+	export CABAL_DIR="C:\\Users\\runneradmin\\AppData\\Roaming\\cabal"
+else
+	export CI_PROJECT_DIR="${GITHUB_WORKSPACE}"
+    export GHCUP_INSTALL_BASE_PREFIX="$CI_PROJECT_DIR"
+    export GHCUP_BIN="$GHCUP_INSTALL_BASE_PREFIX/.ghcup/bin"
+    export PATH="$GHCUP_BIN:$PATH"
+    export CABAL_DIR="$CI_PROJECT_DIR/cabal"
+    export CABAL_CACHE="$CI_PROJECT_DIR/cabal-cache"
+fi

.github/workflows/test.yaml

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+name: Haskell CI
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest]
+        ghc: ['8.0', '8.2', '8.4', '8.6', '8.8', '8.10', '9.0', '9.2', '9.4', '9.6', '9.8']
+        cabal: ['3.8.1.0']
+        include:
+          - os: macOS-latest
+            ghc: '9.4'
+            cabal: '3.8.1.0'
+          - os: macOS-latest
+            ghc: '9.6'
+            cabal: '3.8.1.0'
+          - os: windows-latest
+            ghc: '9.4'
+            cabal: '3.8.1.0'
+          - os: windows-latest
+            ghc: '9.6'
+            cabal: '3.8.1.0'
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Install dependencies (Ubuntu)
+      if: runner.os == 'Linux'
+      run: |
+        sudo apt-get -y update
+        sudo apt-get -y install libtinfo5 libtinfo6 libncurses5 libncurses6
+
+    - name: Install ghc/cabal
+      run: |
+        set -eux
+        ghcup install ghc --set ${{ matrix.ghc }}
+        ghcup install cabal ${{ matrix.cabal }}
+      shell: bash
+
+    - name: Build
+      run: |
+        set -eux
+        [ "$(ghc --numeric-version)" = "${{ matrix.ghc }}" ]
+        cabal update
+        cabal build --enable-tests --enable-benchmarks
+        cabal test
+        cabal bench
+        cabal haddock
+        cabal check
+        cabal sdist
+      shell: bash
+
+  i386:
+    runs-on: ubuntu-latest
+    container:
+      image: i386/ubuntu:bionic
+    steps:
+    - name: Install
+      run: |
+        apt-get update -y
+        apt-get install -y autoconf build-essential zlib1g-dev libgmp-dev curl libncurses5 libtinfo5 libncurses5-dev libtinfo-dev
+        curl --proto '=https' --tlsv1.2 -sSf https://get-ghcup.haskell.org | BOOTSTRAP_HASKELL_NONINTERACTIVE=1 BOOTSTRAP_HASKELL_INSTALL_NO_STACK=1 sh
+    - uses: actions/checkout@v1
+    - name: Test
+      run: |
+        . ~/.ghcup/env
+        cabal update
+        cabal test
+        cabal bench
+
+  # We use github.com/haskell self-hosted runners for ARM testing.
+  # If they become unavailable in future, put ['armv7', 'aarch64']
+  # back to emulation jobs above.
+  arm:
+    runs-on: [self-hosted, Linux, ARM64]
+    strategy:
+      fail-fast: true
+      matrix:
+        arch: [arm32v7, arm64v8]
+    steps:
+      - uses: docker://hasufell/arm64v8-ubuntu-haskell:focal
+        name: Cleanup
+        with:
+          args: "find . -mindepth 1 -maxdepth 1 -exec rm -rf -- {} +"
+
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - if: matrix.arch == 'arm32v7'
+        uses: docker://hasufell/arm32v7-ubuntu-haskell:focal
+        name: Run build (arm32v7 linux)
+        with:
+          args: sh -c "cabal update && ghcup install ghc --isolate=/usr --force 9.2.2 && cabal test -w ghc-9.2.2 && cabal bench -w ghc-9.2.2"
+
+      - if: matrix.arch == 'arm64v8'
+        uses: docker://hasufell/arm64v8-ubuntu-haskell:focal
+        name: Run build (arm64v8 linux)
+        with:
+          args: sh -c "cabal update && ghcup install ghc --isolate=/usr --force 9.2.2 && cabal test -w ghc-9.2.2 && cabal bench -w ghc-9.2.2"
+
+  darwin_arm:
+    runs-on: ${{ matrix.os }}
+    env:
+      MACOSX_DEPLOYMENT_TARGET: 10.13
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: [self-hosted, macOS, ARM64]
+            ghc: 8.10.7
+          - os: [self-hosted, macOS, ARM64]
+            ghc: 9.2.8
+          - os: [self-hosted, macOS, ARM64]
+            ghc: 9.4.7
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Run build
+        run: |
+          bash .github/scripts/brew.sh git coreutils llvm@11 autoconf automake
+          export PATH="$HOME/.brew/bin:$HOME/.brew/sbin:$HOME/.brew/opt/llvm@11/bin:$PATH"
+          export CC="$HOME/.brew/opt/llvm@11/bin/clang"
+          export CXX="$HOME/.brew/opt/llvm@11/bin/clang++"
+          export LD=ld
+          export AR="$HOME/.brew/opt/llvm@11/bin/llvm-ar"
+          export RANLIB="$HOME/.brew/opt/llvm@11/bin/llvm-ranlib"
+          . .github/scripts/env.sh
+          curl --proto '=https' --tlsv1.2 -sSf https://get-ghcup.haskell.org | BOOTSTRAP_HASKELL_NONINTERACTIVE=1 BOOTSTRAP_HASKELL_INSTALL_NO_STACK=1 BOOTSTRAP_HASKELL_GHC_VERSION=${{ matrix.ghc }} BOOTSTRAP_HASKELL_ADJUST_BASHRC=yes sh
+          cabal test
+          cabal bench
+        env:
+          HOMEBREW_CHANGE_ARCH_TO_ARM: 1