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@v1
        with:
          path: ~/.cabal/store
          key: linux-store-changelogs
      - name: ghcup
        run: |
          ghcup config set cache true
          ghcup install ghc 8.10.7
          ghcup set ghc 8.10.7
      # GHC 8.10.7 needed due to https://github.com/phadej/changelog-d/pull/2
      - 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: "phadej/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