name: Assorted

on:
  push:
    branches:
    - master
    paths:
    - 'changelog.d/*'
    - '.github/workflows/changelogs.yml'
  pull_request:
    paths:
    - 'changelog.d/*'
    - '.github/workflows/changelogs.yml'
  release:
    types:
      - created

defaults:
  run:
    shell: bash

jobs:
  build:
    name: Changelogs
    runs-on: ubuntu-latest

    steps:
      - name: Set PATH
        # https://docs.github.com/en/free-pro-team@latest/actions/reference/workflow-commands-for-github-actions#adding-a-system-path
        run: |
          echo "$HOME/.cabal/bin" >> $GITHUB_PATH
      - uses: actions/cache@v3
        with:
          path: ~/.cabal/store
          key: linux-store-changelogs
      # See https://github.com/haskell/cabal/pull/8739
      - name: Sudo chmod to permit ghcup to update its cache
        run: |
          if [[ "${{ runner.os }}" == "Linux" ]]; then
            sudo mkdir -p /usr/local/.ghcup/cache
            sudo chown -R $USER /usr/local/.ghcup
            sudo chmod -R 777 /usr/local/.ghcup
          fi
      - name: ghcup
        run: |
          ghcup config set cache true
          ghcup install ghc recommended
          ghcup set ghc recommended
      - name: Update Hackage index
        run: cabal v2-update
      # Cannot install it from tarball due to
      # https://github.com/haskell/cabal/issues/7360
      - uses: actions/checkout@v3
        with:
          repository: "fgaz/changelog-d"
          path: "changelog-d"
      - name: Install changelog-d
        run: |
          pushd changelog-d
          cabal v2-install
          popd
      - uses: actions/checkout@v3
      - name: Run changelog-d
        run: |
          changelog-d changelog.d