.travis.yml

matrix:
  allow_failures:
    - os: linux
      env: SWIFT_BRANCH=swift-4.1.2-release
      
  include:
    - name: "Linux Swift 3.1.1"
      os: linux
      language: generic
      dist: trusty
      sudo: required
      env:
        - SWIFT_BRANCH=swift-3.1.1-release
        - SWIFT_VERSION=swift-3.1.1-RELEASE
      install:
        - mkdir swift
        - curl https://swift.org/builds/$SWIFT_BRANCH/ubuntu1404/$SWIFT_VERSION/$SWIFT_VERSION-ubuntu14.04.tar.gz -s | tar -xz -C swift
        - export PATH="$(pwd)/swift/$SWIFT_VERSION-ubuntu14.04/usr/bin:$PATH"

    - name: "Linux Swift 4.1.2"
      os: linux
      language: generic
      dist: trusty
      sudo: required
      env:
        - SWIFT_BRANCH=swift-4.1.2-release
        - SWIFT_VERSION=swift-4.1.2-RELEASE
      install:
        - mkdir swift
        - curl https://swift.org/builds/$SWIFT_BRANCH/ubuntu1404/$SWIFT_VERSION/$SWIFT_VERSION-ubuntu14.04.tar.gz -s | tar -xz -C swift
        - export PATH="$(pwd)/swift/$SWIFT_VERSION-ubuntu14.04/usr/bin:$PATH"

    - name: "Mac Xcode 9"
      os: osx
      osx_image: xcode9.4
      language: generic
      sudo: required

script:
  - swift package reset
  - swift build