# Configuration file for https://circleci.com/gh/angular/angular

# Note: YAML anchors allow an object to be re-used, reducing duplication.
# The ampersand declares an alias for an object, then later the `<<: *name`
# syntax dereferences it.
# See http://blog.daemonl.com/2016/02/yaml.html
# To validate changes, use an online parser, eg.
# http://yaml-online-parser.appspot.com/

# Settings common to each job
anchor_1: &job_defaults
  working_directory: ~/ng
  docker:
    - image: angular/ngcontainer:0.0.7

# After checkout, rebase on top of master.
# Similar to travis behavior, but not quite the same.
# See https://discuss.circleci.com/t/1662
anchor_2: &post_checkout
  post: git pull --ff-only origin "refs/pull/${CI_PULL_REQUEST//*pull\//}/merge"

version: 2
jobs:
  lint:
    <<: *job_defaults
    steps:
      - checkout:
          <<: *post_checkout
      # Check BUILD.bazel formatting before we have a node_modules directory
      # Then we don't need any exclude pattern to avoid checking those files
      - run: buildifier -mode=diff $(find . -iname BUILD.bazel -type f)
      - run: buildifier -mode=check $(find . -iname BUILD.bazel -type f)

      - restore_cache:
          key: angular-{{ .Branch }}-{{ checksum "yarn.lock" }}

      - run: yarn install --frozen-lockfile --non-interactive
      - run: ./node_modules/.bin/gulp lint

  build:
    <<: *job_defaults
    steps:
      - checkout:
          <<: *post_checkout
      - restore_cache:
          key: angular-{{ .Branch }}-{{ checksum "yarn.lock" }}
      - run: bazel info release
      - run: bazel run @yarn//:yarn
      - run: bazel build --config=ci packages/...
      - run: bazel test --config=ci packages/... @angular//...
      - save_cache:
          key: angular-{{ .Branch }}-{{ checksum "yarn.lock" }}
          paths:
            - "node_modules"

workflows:
  version: 2
  default_workflow:
    jobs:
      - lint
      - build