code: func EnsureTravisBuildEnvironment() error {
  	mg.SerialDeps(InstallBuildRequirements)
  
  	// Super run some commands
  	travisComands := [][]string{
  		{"dep", "version"},
  		{"dep", "ensure", "-v"},
  		{"rsync", "-a", "--quiet", "--remove-source-files", "./vendor/", "$GOPATH/src"},
  	}
  	return spartamage.Script(travisComands)
  }
docs: // EnsureTravisBuildEnvironment is the command that sets up the Travis
  // environment to run the build.