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