version: 2
jobs:
  build:
    docker:
      # Pick a base image which matches the version of Node you need for
      # building from https://hub.docker.com/r/cimg/node/tags
      #
      # Note: If using a different container, make sure it contains at least
      # git 2.6.0.
      - image: cimg/node:12.6

    branches:
      # Don't build from a branch with the `-built` suffix, to
      # prevent endless loops of deploy scripts.
      ignore:
        - /^.*-built$/

    steps:
      - add_ssh_keys:
          fingerprints:
            - "40:8f:0c:e5:83:d5:62:a3:44:1a:e8:0a:1d:fa:44:93"

      - checkout

      - run: echo "Building..."
      - run:
          name: Create build directory
          command: mkdir -p build

      - run:
          name: Create build readme
          command: echo "This was built in CI on $(date)" > build/README.md

      # multiple commands can be combined by starting with the |
      # do not indent with tabs!
      - run:
          name: Add some helpful info to the README
          command: |
            echo -e "\n\n## Continuous Integration & Continuous Deployment on VIP Go" >> build/README.md
            echo -e "\nSee our docs in the [VIP Lobby](https://vip.wordpress.com/documentation/automated-build-and-deploy-on-vip-go/)" >> build/README.md
            echo -e "\n\nThis branch e.g. master-built is created automatically when " >> build/README.md
            echo "a commit or merge is made to the base branch e.g. master, using [your CircleCI configuration](../.circleci/config.yml), which you can **customize**" >> build/README.md

      # Test to ensure the build was good, do not deploy bad stuff!
      - run:
          name: Test the build
          command: |
            if [ -f build/README.md ]; then
              echo "Build succeeded";
            else
              echo "Build failed, file missing"; exit 1
            fi

      # Run the deploy:
      # This will push the result to the {currentbranch}-built branch
      # Note: if running multiple times, you may need to `git push --delete origin {currentbranch}` between runs to clear out the branch.
      - deploy:
          name: Deploy -built branch to github
          command: ./deploy.sh

      - run:
          name: Verify that -built branch was deployed correctly
          command: ./tests/verify-circle.sh