haskell.yml

name: Haskell CI

on:
  push:
    branches: [ "main" ]
  pull_request:
    branches: [ "main" ]
  workflow_dispatch:

permissions:
  contents: read

jobs:
  build:

    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v3

    - uses: actions/cache@v3
      name: Cache /usr/local/.ghcup/ghc
      with:
        path: /usr/local/.ghcup/ghc
        key: ${{ runner.os }}-ghcup-ghc${{ hashFiles('pi-forall.cabal') }}
        restore-keys: |
          ${{ runner.os }}-ghcup-ghc-
    - uses: actions/cache@v3
      name: Cache ~/.stack
      with:
        path: ~/.stack
        key: ${{ runner.os }}-stack-global-${{ hashFiles('stack.yaml') }}-${{ hashFiles('package.yaml') }}
        restore-keys: |
          ${{ runner.os }}-stack-global-
    - uses: actions/cache@v3
      name: Cache .stack-work
      with:
        path: .stack-work
        key: ${{ runner.os }}-stack-work-${{ hashFiles('stack.yaml') }}-${{ hashFiles('package.yaml') }}-${{ hashFiles('**/*.hs') }}
        restore-keys: |
          ${{ runner.os }}-stack-work-

    - name: Setup Haskell
      run: |
        ghcup install ghc 9.2.7
        ghcup install stack
    - name: Build
      run: stack build
    - name: Run tests
      run: stack test