version: 2
jobs:

  build:
    docker:
      - image: ethereum/cpp-build-env
    steps:
      - checkout
      - run:
          name: "Configure"
          working_directory: ~/build
          command: cmake ../project -DEVMC_BUILD_EXAMPLES=ON -DEVMC_BUILD_TESTS=ON
      - run:
          name: "Build"
          command: cmake --build ~/build
      - run:
          name: "Test"
          command: cmake --build ~/build --target test

  test-docs:
    docker:
      - image: ethereum/cpp-build-env
    steps:
      - checkout
      - run:
          name: "Test documentation"
          command: |
            doxygen Doxyfile > doxygen.log 2> doxygen.warnings
            if [ -s doxygen.warnings ]; then
              printf '\n\nDoxygen warnings:\n\n'
              cat doxygen.warnings
              exit 1
            fi
            cat doxygen.log

  upload-docs:
    docker:
      - image: ethereum/cpp-build-env
    steps:
      - checkout
      - run:
          name: "Generate documentation"
          command: doxygen Doxyfile
      - run:
          name: "Upload documentation"
          command: |
            git config user.email "docs-bot@ethereum.org"
            git config user.name "Documentation Bot"
            git add --all
            git commit -m "Update docs"
            git push -f "https://$GITHUB_TOKEN@github.com/ethereum/evmc.git" HEAD:gh-pages

workflows:
  version: 2
  evmc:
    jobs:
      - build
      - test-docs
      - upload-docs:
          requires:
            - test-docs
          filters:
            branches:
              only:
                - master
                - docs