language: node_js
node_js:
  - "lts/*"
  - "node"
cache:
  yarn: true
  directories:
    - "node_modules"
before_install:
  - curl -o- -L https://yarnpkg.com/install.sh | bash -s -- --version 0.27.5
  - export PATH="$HOME/.yarn/bin:$PATH"
script:
  - gulp

language: node_js
node_js:
  - "lts/*"
  - "node"
cache:
  yarn: true
  directories:
    - "node_modules"
before_install:
  - curl -o- -L https://yarnpkg.com/install.sh | bash -s -- --version 0.27.5
  - export PATH="$HOME/.yarn/bin:$PATH"
  - yarn global add gulp-cli
script:
  - gulp

Add gulp-cli installation to CI
Add gulp-cli installation to CI
