package command import ( "fmt" "basic.com/valib/serf.git/serf" "github.com/mitchellh/cli" ) // VersionCommand is a Command implementation prints the version. type VersionCommand struct { Version string UI cli.Ui } func (c *VersionCommand) Help() string { return "" } func (c *VersionCommand) Run(_ []string) int { c.UI.Output(c.Version) c.UI.Output(fmt.Sprintf("Agent Protocol: %d (Understands back to: %d)", serf.ProtocolVersionMax, serf.ProtocolVersionMin)) return 0 } func (c *VersionCommand) Synopsis() string { return "Prints the Serf version" }