config.yml

version: 2.1

workflows:
  version: 2

  # The build workflow will build a preview for the site, intended for PRs
  build:
    jobs:
      - build-site:
          filters:
            branches:
              ignore: gh-pages

install: &install
  name: install dependencies for build
  command: |
     $HOME/conda/bin/pip install -r ~/repo/.circleci/requirements.txt

test_jobs: &test_jobs
  name: test the jobs metadata
  command: |
     cd ~/repo/tests
     $HOME/conda/bin/python -m unittest test_jobs

install_python_3: &install_python_3
  name: install Python 3.5 dependencies
  command: | 
      ls $HOME
      if [ ! -d "/home/circleci/conda" ]; then
          wget https://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86_64.sh
          /bin/bash Miniconda3-latest-Linux-x86_64.sh -b -p $HOME/conda
          export PATH=$HOME/conda/bin:$PATH
       else
           echo "Miniconda 3 is already installed, continuing to build."
       fi

build_jekyll: &build_jekyll
    name: Jekyll Build
    command: |
        if [ -z "$CIRCLECI_TRIGGER" ]; then
            echo "Building RSE Blog for Preview"
            cp ~/repo/.circleci/circle_urls.sh ~/repo/circle_urls.sh
            cd ~/repo
            chmod u+x circle_urls.sh
            bash circle_urls.sh              
            bundle exec jekyll build
        else
            echo "Nightly build detected, preview not needed."
        fi

jobs:
  build-site:
    docker:
      - image: circleci/ruby:2.4.1
    working_directory: ~/repo
    environment:
      - JEKYLL_ENV: production
      - NOKOGIRI_USE_SYSTEM_LIBRARIES: true
      - BUNDLE_PATH: ~/repo/vendor/bundle
    steps:
      - checkout
      - restore_cache:
          keys:
          - v1-dependencies
          - rubygems-v1
      - run: *install_python_3
      - run: *install
      - save_cache:
          paths:
            - /home/circleci/conda
          key: v1-dependencies        
      - run:
          name: Bundle Install
          command: |
              cd ~/repo
              bundle check || bundle install
      - save_cache:
          key: rubygems-v1
          paths:
            - vendor/bundle
      - run: *test_jobs
      - run: *build_jekyll
      - store_artifacts:
          path: ~/repo/_site
          destination: usrse.github.io