version: 2.0
workflows:
  version: 2
  build:
    jobs:
      - build-1.11
      - build-1.12
      - build-latest
jobs:
  # build-latest serves as the template
  # we use YAML anchors & aliases to exchange the docker image (and hence Go version used for the build)
  build-latest: &build-latest
    description: Builds zrepl
    parameters:
      image:
        description: "the docker image that the job should use"
        type: string
    docker:
      - image: circleci/golang:latest
    environment:
      # required by lazy.sh
      TERM: xterm
    working_directory: /go/src/github.com/zrepl/zrepl
    steps:
      - run:
          name: Setup environment variables
          command: |
            # used by pip (for docs)
            echo 'export PATH="$HOME/.local/bin:$PATH"' >> $BASH_ENV

      - restore_cache:
          keys:
            - source
            - vendor
            - protobuf

      - checkout

      - save_cache:
          key: source
          paths:
            - ".git"
      
      # install deps
      - run: wget https://github.com/protocolbuffers/protobuf/releases/download/v3.6.1/protoc-3.6.1-linux-x86_64.zip
      - run: echo "6003de742ea3fcf703cfec1cd4a3380fd143081a2eb0e559065563496af27807  protoc-3.6.1-linux-x86_64.zip" | sha256sum -c
      - run: sudo unzip -d /usr protoc-3.6.1-linux-x86_64.zip
      - save_cache:
          key: protobuf
          paths:
            - "/usr/include/google/protobuf"
            
      - run: sudo apt install python3 python3-pip libgirepository1.0-dev
      - run: ./lazy.sh devsetup

      - run: make vendordeps
      - save_cache:
          key: vendor
          paths:
            - "./vendor"
            
      - run: make
      - run: make vet
      - run: make test
      - run: make release

      - store_artifacts:
          path: ./artifacts/release
          when: always


  build-1.11:
    <<: *build-latest
    docker:
      - image: circleci/golang:1.11
  build-1.12:
    <<: *build-latest
    docker:
    - image: circleci/golang:1.12