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path: root/.github/workflows/coverage.yml
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name: coverage
on:
  schedule:
    - cron: '0 * * * *'
  pull_request:
    branches:
      - '*'
jobs:
  latest:
    runs-on: ubuntu-latest
    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 lcov xz-utils
          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=10 https://github.com/ruby/ruby . && git reset --hard "$GITHUB_SHA"
        env:
          GITHUB_SHA: ${{ github.sha }}
        if: github.event_name == 'schedule'
      - name: Checkout a pull request
        run: git clone --depth=10 "--branch=$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: Fixed world writable dirs
        run: |
          chmod go-w $HOME
          sudo chmod -R go-w /usr/share
      - run: autoconf
      - name: Configure with gcov
        run: ./configure --enable-gcov
      - name: Setup coverage tools
        run: make update-coverage
      - name: Build
        run: make -j$((1 + $(nproc --all)))
      - name: Tests
        run: make -s check COVERAGE=true
      - name: Aggregate coverage results
        run: make lcov
      - name: Upload results
        run: |
          xz -9 lcov-all.info
          aws s3 cp lcov-all.info.xz s3://rubyci/coverage/lcov-all-"$GITHUB_SHA".info.xz
          aws s3 sync lcov-out s3://rubyci/coverage-latest-html
        env:
          GITHUB_SHA: ${{ github.sha }}
          AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
          AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
        if: github.event_name == 'schedule'