sudo: required
dist: trusty
language: node_js
node_js:
- 6.9.1
addons:
  apt:
    sources:
    - ubuntu-toolchain-r-test
    packages:
    - g++-4.8
cache:
  directories:
  - node_modules
branches:
  except:
  - "/^v[0-9\\.]+/"
install:
- travis_retry npm install -g
script:
- npm test