name: ubuntu
on:
  push:
    branches:
      - master
  pull_request:
    branches:
      - '*'
jobs:
  latest:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        test_task: [ "check", "test-bundler", "test-bundled-gems" ]
      fail-fast: false
    steps:
      - name: Install libraries
        run: |
          set -x
          sudo sed /etc/apt/sources.list -e "s/^# deb-src/deb-src/g" -i
          sudo apt-get update
          sudo apt-get install ruby2.5
          sudo apt-get build-dep ruby2.5
      # Not using official actions/checkout because it's unstable and sometimes doesn't work for a fork.
      - name: Checkout ruby/ruby
        run: git clone --depth=50 https://github.com/ruby/ruby . && git reset --hard "$GITHUB_SHA"
        env:
          GITHUB_SHA: ${{ github.sha }}
        if: github.event_name == 'push'
      - name: Checkout a pull request
        run: git clone --depth=50 "--branch=$GITHUB_BRANCH" "https://github.com/${GITHUB_REPO}" . && git reset --hard "$GITHUB_REV"
        env:
          GITHUB_REV: ${{ github.event.pull_request.head.sha }}
          GITHUB_BRANCH: ${{ github.event.pull_request.head.ref }}
          GITHUB_REPO: ${{ github.event.pull_request.head.repo.full_name }}
        if: github.event_name == 'pull_request'
      - name: Set ENV
        run: |
          export JOBS=-j$((1 + $(nproc --all)))
      - name: Fixed world writable dirs
        run: |
          chmod go-w $HOME
          sudo chmod -R go-w /usr/share
      - run: autoconf
      - name: configure
        run: ./configure -C --disable-install-doc
      - run: make $JOBS
      - name: Tests
        run: make -s ${{ matrix.test_task }}
        env:
          TESTOPTS: "$JOBS -q --tty=no"
          MSPECOPT: "-ff" # not using `-j` because sometimes `mspec -j` silently dies
        if: matrix.test_task != 'test-bundled-gems'
      # test-bundled-gems is separated for marking `continue-on-error` because it randomly fails.
      - name: Tests
        run: make -s ${{ matrix.test_task }}
        env:
          TESTOPTS: "$JOBS -q --tty=no"
        continue-on-error: true
        if: matrix.test_task == 'test-bundled-gems'
      - name: Leaked Globals
        run: make -s leaked-globals
      - uses: k0kubun/action-slack@v1.0.0
        with:
          payload: |
            {
              "attachments": [{
                "title": "${{ job.status }}: ${{ github.workflow }} / ${{ matrix.test_task }}",
                "title_link": "https://github.com/${{ github.repository }}/commit/${{ github.sha }}/checks",
                "text": "${{ github.repository }}@${{ github.ref }}: <https://github.com/${{ github.repository }}/commit/${{ github.sha }}|${{ github.sha }}>",
                "fields": [{ "value": ${{ toJson(github.event.head_commit.message) }}, "short": false }],
                "footer": "${{ github.event.head_commit.committer.name }} at ${{ github.event.head_commit.timestamp }}",
                "color": "danger"
              }]
            }
        env:
          SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}
        if: failure() && github.event_name == 'push'