go get github.com/sirupsen/logrus
cd $GOPATH/src/github.com/sirupsen/logrus
git checkout v0.9.0
cd $GOPATH/src/github.com/YOU/PROJECT
govendor add github.com/sirupsen/logrus # or similar
go get github.com/sirupsen/logrus
cd $GOPATH/src/github.com/sirupsen/logrus
git checkout v0.9.0
cd $GOPATH/src/github.com/YOU/PROJECT
govendor add github.com/sirupsen/logrus # or similar
让时间为你证明