Use ghcup-setup in CI

.github/scripts/env.sh

-#!/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/ci.yml

@@ -28,9 +28,14 @@ jobs:
             ghc: '8.6'
     steps:
     - uses: actions/checkout@v4
+
+    - name: Install GHCup
+      uses: haskell/ghcup-setup@v1
+
     - name: Setup toolchain
       run: |
-        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
+        ghcup install ghc --set ${{ matrix.ghc }}
+        ghcup install cabal --set latest
 
     - if: runner.os == 'macOS'
       name: Install system deps via brew
@@ -46,7 +51,6 @@ jobs:
         restore-keys: ${{ runner.os }}-${{ matrix.ghc }}-
     - name: Build
       run: |
-        . ~/.ghcup/env
         ghc --version
         cabal --version
         cabal update
@@ -58,7 +62,6 @@ jobs:
         cabal test all --test-show-details=direct
     - name: Haddock
       run: |
-        . ~/.ghcup/env
         cabal haddock --disable-documentation
 
   redhat-ubi9:
@@ -66,14 +69,22 @@ jobs:
     container:
       image: redhat/ubi9:latest
     steps:
-    - name: Install
+    - name: Install prerequisites
       run: |
         yum install -y gcc gmp gmp-devel make ncurses xz perl autoconf
-        curl --proto '=https' --tlsv1.2 -sSf https://get-ghcup.haskell.org | BOOTSTRAP_HASKELL_NONINTERACTIVE=1 BOOTSTRAP_HASKELL_GHC_VERSION=9.4.8 sh
+
+    - name: Install GHCup
+      uses: haskell/ghcup-setup@v1
+
+    - name: Setup toolchain
+      run: |
+        ghcup install ghc --set latest
+        ghcup install cabal --set latest
+
     - uses: actions/checkout@v4
+
     - name: Test
       run: |
-        source ~/.ghcup/env
         cabal --version
         cabal update
         autoreconf --version
@@ -85,14 +96,21 @@ jobs:
     container:
       image: fedora:37
     steps:
-    - name: Install
+    - name: Install prerequisites
       run: |
         dnf install -y gcc gmp gmp-devel make ncurses ncurses-compat-libs xz perl autoconf
-        curl --proto '=https' --tlsv1.2 -sSf https://get-ghcup.haskell.org | BOOTSTRAP_HASKELL_NONINTERACTIVE=1 sh
+
+    - name: Install GHCup
+      uses: haskell/ghcup-setup@v1
+
+    - name: Setup toolchain
+      run: |
+        ghcup install ghc --set latest
+        ghcup install cabal --set latest
+
     - uses: actions/checkout@v4
     - name: Test
       run: |
-        source ~/.ghcup/env
         cabal --version
         cabal update
         autoreconf --version
@@ -102,23 +120,14 @@ jobs:
 
   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
-        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: |
-        source ~/.ghcup/env
-        cabal --version
-        cabal update
-        autoreconf --version
-        autoreconf -i
-        cabal v2-test --constraint 'optparse-applicative -process' --constraint 'QuickCheck +old-random' --constraint 'tasty -unix' all
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Run build (32 bit linux)
+        uses: docker://hasufell/i386-alpine-haskell:3.12
+        with:
+          args: sh -c "apk update && apk add --no-cache autoconf automake make && cabal update && autoreconf --version && autoreconf -i && cabal v2-test --constraint 'optparse-applicative -process' --constraint 'QuickCheck +old-random' --constraint 'tasty -unix' all"
 
   arm:
     runs-on: [self-hosted, Linux, ARM64]
@@ -161,14 +170,25 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v4
 
+      - name: Install prerequisites
+        run: |
+          sudo pkg install -y curl gcc gmp gmake ncurses perl5 libffi libiconv git bash misc/compat10x misc/compat11x misc/compat12x gmake autoconf
+
+      - name: Install GHCup
+        uses: haskell/ghcup-setup@v1
+
+      - name: Setup toolchain
+        run: |
+          ghcup install ghc --set ${{ matrix.ghc }}
+          ghcup install cabal --set latest
+
       - name: Run build
         run: |
-          pkg install -y curl gcc gmp gmake ncurses perl5 libffi libiconv git bash misc/compat10x misc/compat11x misc/compat12x gmake autoconf
-          . .github/scripts/env.sh
-          curl --proto '=https' --tlsv1.2 -sSf https://get-ghcup.haskell.org | BOOTSTRAP_HASKELL_NONINTERACTIVE=1 BOOTSTRAP_HASKELL_INSTALL_NO_STACK=1 BOOTSTRAP_HASKELL_GHC_VERSION=${{ matrix.ghc }} BOOTSTRAP_HASKELL_ADJUST_BASHRC=yes sh
           autoreconf --version
           autoreconf -i
+          cabal update
           cabal sdist -z -o .
           cabal get unix-*.tar.gz
           cd unix-*/
           cabal test all --test-show-details=direct
+