Add MicroHs CI

.github/workflows/mhs.yaml

@@ -0,0 +1,62 @@
+name: mhs-ci
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+jobs:
+  build-mhs-filepath:
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      fail-fast: false
+      matrix:
+        # windows doesn't quite work yet
+        os: [ubuntu-latest, macOS-15-intel, macOS-latest]
+        mhs: [0.15.0.0]
+
+    steps:
+
+    - name: checkout mhs repo
+      uses: actions/checkout@v4
+      with:
+        repository: augustss/MicroHs
+        ref: v${{ matrix.mhs }}
+        path: mhs
+
+    - name: make and install mhs
+      if: runner.os == 'Windows'
+      run: |
+        cd mhs
+        nmake /F Makefile.windows
+
+    - name: make and install mhs
+      if: runner.os != 'Windows'
+      run: |
+        cd mhs
+        make minstall
+
+    - name: install packages
+      run: |
+        cd mhs
+        export PATH="$HOME/.mcabal/bin:$PATH"
+        make -f Makefile.packages
+      shell: bash
+
+    - name: checkout filepath repo
+      uses: actions/checkout@v4
+      with:
+        path: filepath
+
+    - name: compile and install filepath package
+      run: |
+        export PATH="$HOME/.mcabal/bin:$PATH"
+        cd filepath
+        mcabal -r install
+
+    - name: cleanup
+      run: |
+        rm -rf "$HOME/.mcabal"
+

.github/workflows/test.yaml

@@ -7,33 +7,53 @@ on:
     branches: [ master ]
 
 jobs:
+  tool-output:
+    runs-on: ubuntu-latest
+    outputs:
+      ghc_versions: ${{ steps.gen_output.outputs.ghc_versions }}
+
+    steps:
+
+    - uses: haskell/ghcup-setup@v1
+
+    - name: Generate output
+      id: gen_output
+      run: |
+        all="$(ghcup -s GHCupURL list -r -t ghc -c available)"
+        rec=$(echo "${all}"         | grep recommended | awk '{ print $2 }')
+        latest=$(echo "${all}"      | grep latest      | awk '{ print $2 }')
+
+        other_major=$(echo "${all}" | awk '{ print $2 }' | awk -F '.' '{ print $1 "." $2}' | sort -Vu | tail -${GHC_TEST_NUM:=5})
+        other=$(for v in $other_major ; do point_releases=$(echo "$all" | awk '{ print $2 }' | grep --color=never "^$v.") ; echo "${point_releases}" | tail -n1  ; done)
+
+        selected=$(echo -n ${rec} ${latest} ${other} | tr " " "\n"  | sort -Vu)
+        selected_json=$(echo -n $selected | jq -c -r -R 'split(" ") | [ .[] | if length > 0 then . else empty end ]')
+
+        echo "${selected}"
+        echo "${selected_json}"
+
+        echo ghc_versions="${selected_json}" >> "$GITHUB_OUTPUT"
+      shell: bash
+      env:
+        GHC_TEST_NUM: ${{ vars.GHC_TEST_NUM }}
+
   build:
 
     runs-on: ${{ matrix.os }}
+    needs: ["tool-output"]
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, macOS-13, windows-latest]
-        ghc: ['9.4', '9.6', '9.8', '9.10', '9.12']
-        include:
-          - os: ubuntu-latest
-            ghc: '8.6'
-          - os: ubuntu-latest
-            ghc: '8.8'
-          - os: ubuntu-latest
-            ghc: '8.10'
-          - os: ubuntu-latest
-            ghc: '9.0'
-          - os: ubuntu-latest
-            ghc: '9.2'
+        os: [ubuntu-latest, ubuntu-24.04-arm, macOS-15-intel, macOS-latest, windows-latest]
+        ghc: ${{ fromJSON(needs.tool-output.outputs.ghc_versions) }}
     steps:
     - uses: actions/checkout@v4
 
     - name: Install dependencies (Ubuntu)
       if: runner.os == 'Linux'
       run: |
         sudo apt-get -y update
-        sudo apt-get -y install libtinfo6 libncurses6
+        sudo apt-get -y install build-essential curl libffi-dev libffi8 libgmp-dev libgmp10 libncurses-dev pkg-config libtinfo6 libncurses6
 
     - uses: haskell/ghcup-setup@v1
       with:
@@ -82,75 +102,6 @@ jobs:
         cabal update
         cabal test
 
-  # 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@v4
-
-      - 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"
-
-      - 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"
-
-  darwin_arm:
-    runs-on: ${{ matrix.os }}
-    env:
-      MACOSX_DEPLOYMENT_TARGET: 10.13
-      HOMEBREW_CHANGE_ARCH_TO_ARM: 1
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - os: [self-hosted, macOS, ARM64]
-            ghc: 8.10.7
-          - os: [self-hosted, macOS, ARM64]
-            ghc: 9.2.6
-          - os: [self-hosted, macOS, ARM64]
-            ghc: 9.4.4
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-
-      - name: Install prerequisites
-        run: |
-          bash .github/scripts/brew.sh git coreutils llvm@13 autoconf automake
-          echo PATH="$HOME/.brew/bin:$HOME/.brew/sbin:$HOME/.brew/opt/llvm@13/bin:$PATH" >> "$GITHUB_ENV"
-          echo CC="$HOME/.brew/opt/llvm@13/bin/clang" >> "$GITHUB_ENV"
-          echo CXX="$HOME/.brew/opt/llvm@13/bin/clang++" >> "$GITHUB_ENV"
-          echo LD=ld >> "$GITHUB_ENV"
-          echo AR="$HOME/.brew/opt/llvm@13/bin/llvm-ar" >> "$GITHUB_ENV"
-          echo RANLIB="$HOME/.brew/opt/llvm@13/bin/llvm-ranlib" >> "$GITHUB_ENV"
-
-      - uses: haskell/ghcup-setup@v1
-        with:
-          ghc: ${{ matrix.ghc }}
-          cabal: latest
-
-      - name: Run build
-        run: |
-          cabal update
-          cabal test
-
   freebsd:
     runs-on: ${{ matrix.os }}
     strategy: