test.yml

name: CI

on:
  push:
    paths-ignore: ['**.md', '**.adoc']
  pull_request:
    paths-ignore: ['**.md', '**.adoc']

jobs:
  test:
    runs-on: ${{matrix.os}}
    continue-on-error: ${{matrix.emacs_version == 'snapshot'}}

    strategy:
      matrix:
        os: [ubuntu-latest]
        emacs_version: ['25.1', '25.2', '25.3',
                        '26.1', '26.2', '26.3',
                        '27.1', '27.2',
                        '28.1', '28.2',
                        '29.1', '29.2', '29.3',
                        'snapshot']
        # include:
          # Disabled for now: takes forever on default GitHub runners.
          # Either they use particularly slow machines or (I suspect
          # more likely) Emacs has some problems communicating with
          # processes on that OS, resulting in delays.
          # - os: macos-latest
          #   emacs_version: '29.3'

          # Disabled for now: it looks like on fails on GitHub for
          # unrelated reasons due to mishandling of Hebrew or Chinese
          # characters.  The fault appears to be unrelated to
          # `datetime'.  I even reran a previously passing test
          # (i.e. with zero changes, only whatever GitHub has changed
          # in their setup in the meantime) and it failed too.
          # - os: windows-latest
          #   emacs_version: '29.3'

    steps:
    - name: Set up Emacs
      uses: jcs090218/setup-emacs@master
      with:
        version: ${{matrix.emacs_version}}

    - name: Install Eldev
      uses: emacs-eldev/setup-eldev@v1

    - name: Install Java
      uses: actions/setup-java@v4
      with:
        distribution: 'zulu'
        java-version: '17'

    - name: Check out the source code
      uses: actions/checkout@v4
      with:
        # To make automated copyright notice check below work.  Can this be optimized?
        fetch-depth: 0

    - name: Test the project
      run: |
        eldev -p -dtT -C test --expect 20

    - name: Ensure clean byte-compilation
      run: |
        eldev -dtT -C compile --set all --warnings-as-errors

    - name: Ensure that copyright notices are up-to-date
      run: |
        eldev -p -dvQTC doctor up-to-date-copyright --all-tests