language: go
go:
  - 1.7.x
  - 1.8.x
  - 1.9.x

sudo: false

before_install:
  - mkdir --parents $GOPATH/src/golang.org/x
    && git clone --depth=1 https://go.googlesource.com/lint $GOPATH/src/golang.org/x/lint
    && go get golang.org/x/lint/golint
  - go get github.com/vbatts/git-validation

install: true

script:
  - git-validation -run DCO,short-subject -v -range ${TRAVIS_COMMIT_RANGE}
  - make
  - make test