go get -u github.com/kardianos/govendor # Setup your project.cd "my project in GOPATH" govendor init # Add existing GOPATH files to vendor. govendor add +external # View your work. govendor list # Look at what is using a package govendor list -v fmt # Specify a specific version or revision to fetch govendor fetch golang.org/x/net/context@a4bbce9fcae005b22ae5443f6af064d80a6f5a55 govendor fetch go..