version: 2
jobs:
  build:
    docker:
      - image: trzeci/emscripten:sdk-tag-1.37.21-64bit
    steps:
      - checkout
      - run:
          name: Install external tests deps
          command: |
            apt-get -qq update
            apt-get -qy install netcat curl
            curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.33.4/install.sh | NVM_DIR=/usr/local/nvm bash
      - run:
          name: Test external tests deps
          command: |
            export NVM_DIR="/usr/local/nvm"
            [ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"  # This loads nvm
            nvm --version
            nvm install 6
            node --version
            npm --version
      - run:
          name: Init submodules
          command: |
            git submodule update --init
      - restore_cache:
          name: Restore Boost build
          key: &boost-cache-key emscripten-boost-{{ checksum "scripts/travis-emscripten/install_deps.sh" }}{{ checksum "scripts/travis-emscripten/build_emscripten.sh" }}
      - run:
          name: Bootstrap Boost
          command: |
            scripts/travis-emscripten/install_deps.sh
      - run:
          name: Build
          command: |
            scripts/travis-emscripten/build_emscripten.sh
      - save_cache:
          name: Save Boost build
          key: *boost-cache-key
          paths:
            - boost_1_57_0
      - run:
          name: Test
          command: |
            . /usr/local/nvm/nvm.sh
            scripts/test_emscripten.sh
      - store_artifacts:
          path: build/solc/soljson.js
          destination: soljson.js