config.yml

version: 2
jobs:
  reorg_build:
    docker:
      # Any image that includes the docker client will do
      - image: circleci/ruby
    steps:
      - checkout
      - setup_remote_docker

      - run:
          name: Log in to the Docker registry
          command: docker login -u "$DOCKER_USER" -p "$DOCKER_PASSWORD"

      - run:
          name: Generate branch tag (cache key for Docker images)
          command: |
            BRANCH_TAG="$(echo $CIRCLE_BRANCH | sed -E 's/[^A-Za-z0-9]+/-/g')"
            echo "export BRANCH_TAG='$BRANCH_TAG'" >> $BASH_ENV

      - run:
          name: Pull Docker base images & warm Docker cache
          command: |
            docker pull ubuntu:18.04
            docker pull "dependabot/dependabot-core-ci:core--$BRANCH_TAG" ||
              docker pull dependabot/dependabot-core:latest
            docker pull "dependabot/dependabot-core-ci:ci--$BRANCH_TAG" ||
              docker pull dependabot/dependabot-core-ci:ci--latest || true

      - run:
          name: Build dependabot-core image
          command: |
            docker build \
              -t dependabot/dependabot-core:latest \
              -t "dependabot/dependabot-core-ci:core--$BRANCH_TAG" \
              --cache-from ubuntu:18.04 \
              --cache-from "dependabot/dependabot-core-ci:core--$BRANCH_TAG" \
              --cache-from dependabot/dependabot-core:latest \
              .

      - run:
          name: Push dependabot-core image to CI cache repo
          command: docker push "dependabot/dependabot-core-ci:core--$BRANCH_TAG"

      - run:
          name: Build dependabot-core-ci image
          command: |
            rm .dockerignore  # we usually don't want tests etc, but here we do
            docker build \
              -t "dependabot/dependabot-core-ci:latest" \
              -t "dependabot/dependabot-core-ci:ci--$BRANCH_TAG" \
              -f Dockerfile.ci \
              --cache-from ubuntu:18.04 \
              --cache-from dependabot/dependabot-core:latest \
              --cache-from "dependabot/dependabot-core-ci:ci--$BRANCH_TAG" \
              --cache-from dependabot/dependabot-core-ci:latest \
              .

      - run:
          name: Rubocop
          command: |
            docker run -ti dependabot/dependabot-core-ci \
              bash -c "cd terraform && rubocop"

      - run:
          name: RSpec
          command: |
            docker run -ti dependabot/dependabot-core-ci \
             bash -c "cd terraform && rspec spec --format documentation"

      - run:
          name: Push dependabot-core-ci image to CI cache repo
          command: |
            docker push "dependabot/dependabot-core-ci:ci--$BRANCH_TAG"
            docker push "dependabot/dependabot-core-ci:latest"

  build:
    docker:
      - image: dependabot/dependabot-core:0.1.47
    working_directory: ~/dependabot-core
    steps:
      - checkout

      - restore_cache:
          keys:
            - v1-dependencies-{{ .Branch }}
            - v1-dependencies-master

      # Install dependencies
      - run: bundle install --path ~/dependabot-core/vendor/bundle
      - run: cd helpers/yarn && yarn install
      - run: cd helpers/npm && yarn install
      - run: cd helpers/php && composer install
      - run: cd helpers/python && pyenv exec pip install -r requirements.txt && pyenv local 2.7.15 && pyenv exec pip install -r requirements.txt && pyenv local --unset
      - run: cd helpers/elixir && mix deps.get
      - run: cd helpers/go && make

      - save_cache:
          key: v1-dependencies-{{ .Branch }}-{{ epoch }}
          paths:
            - ~/dependabot-core/vendor/bundle
            - ~/dependabot-core/helpers/yarn/node_modules
            - ~/dependabot-core/helpers/npm/node_modules
            - ~/dependabot-core/helpers/php/vendor

      # Run code formatting linters
      - run: bundle exec rubocop
      - run: cd helpers/yarn && node_modules/.bin/eslint lib test bin
      - run: cd helpers/npm && node_modules/.bin/eslint lib test bin
      - run: cd helpers/php && vendor/bin/php-cs-fixer fix --dry-run

      # Run tests
      - run: cd helpers/yarn && node_modules/.bin/jest
      - run: cd helpers/npm && node_modules/.bin/jest
      - run: bundle exec rspec spec --format documentation --format RspecJunitFormatter -o ~/rspec/rspec.xml --tag "~skip_ci"
      - store_test_results:
          path: ~/rspec
      - store_artifacts:
          path: ~/rspec

workflows:
  version: 2
  test:
    jobs:
      - reorg_build
      - build