name: doxygen
on:
  schedule:
    - cron: '20 * * * *'

jobs:
  latest:
    runs-on: ubuntu-latest
    steps:
      - name: Download current index.html
        run: |
          curl -o /tmp/index.html https://rubyci.s3.amazonaws.com/doxygen-latest-html/index.html || touch /tmp/index.html
          grep projectnumber /tmp/index.html || :
          echo "GITHUB_SHA=${GITHUB_SHA}"
      - name: Install libraries
        run: |
          set -x
          if grep -q "${GITHUB_SHA}" /tmp/index.html; then exit; fi
          sudo sed /etc/apt/sources.list -e "s/^# deb-src/deb-src/g" -i
          sudo apt-get update
          sudo apt-get install ruby2.5 doxygen graphviz
          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: |
          if grep -q "${GITHUB_SHA}" /tmp/index.html; then exit; fi
          git clone --depth=10 https://github.com/ruby/ruby . && git reset --hard "$GITHUB_SHA"

      - name: Fixed world writable dirs
        run: |
          if grep -q "${GITHUB_SHA}" /tmp/index.html; then exit; fi
          chmod go-w $HOME
          sudo chmod -R go-w /usr/share
      - run: |
          if grep -q "${GITHUB_SHA}" /tmp/index.html; then exit; fi
          autoconf
      - name: Configure
        run: |
          if grep -q "${GITHUB_SHA}" /tmp/index.html; then exit; fi
          ./configure
      - name: Generate Doxyfile
        run: |
          if grep -q "${GITHUB_SHA}" /tmp/index.html; then exit; fi
          make Doxyfile
      - name: Run Doxygen
        run: |
          if grep -q "${GITHUB_SHA}" /tmp/index.html; then exit; fi
          doxygen
      - name: Upload results
        run: |
          if grep -q "${GITHUB_SHA}" /tmp/index.html; then exit; fi
          aws s3 sync doc/capi/html/ s3://rubyci/doxygen-latest-html
        env:
          AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
          AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}