version: 2
jobs:
  build:
    working_directory: ~/ng
    docker:
      - image: angular/ngcontainer
    steps:
      - checkout:
          # After checkout, rebase on top of master.
          # Similar to travis behavior, but not quite the same.
          # See https://discuss.circleci.com/t/1662
          post: git pull --ff-only origin "refs/pull/${CI_PULL_REQUEST//*pull\//}/merge"
      - restore_cache:
          key: angular-{{ .Branch }}-{{ checksum "npm-shrinkwrap.json" }}
      - run: npm install
      - run: npm run postinstall
      - run: ./node_modules/.bin/gulp lint
      # Build twice, workaround for
      # https://github.com/bazelbuild/bazel/issues/3114
      - run: bazel build ... || bazel build ...
      - save_cache:
          key: angular-{{ .Branch }}-{{ checksum "npm-shrinkwrap.json" }}
          paths:
            - "node_modules"