github.com/ezbercih/terraform@v0.1.1-0.20140729011846-3c33865e0839/command/version.go (about) 1 package command 2 3 import ( 4 "bytes" 5 "fmt" 6 ) 7 8 // VersionCommand is a Command implementation prints the version. 9 type VersionCommand struct { 10 Meta 11 12 Revision string 13 Version string 14 VersionPrerelease string 15 } 16 17 func (c *VersionCommand) Help() string { 18 return "" 19 } 20 21 func (c *VersionCommand) Run(args []string) int { 22 var versionString bytes.Buffer 23 24 args = c.Meta.process(args) 25 26 fmt.Fprintf(&versionString, "Terraform v%s", c.Version) 27 if c.VersionPrerelease != "" { 28 fmt.Fprintf(&versionString, ".%s", c.VersionPrerelease) 29 30 if c.Revision != "" { 31 fmt.Fprintf(&versionString, " (%s)", c.Revision) 32 } 33 } 34 35 c.Ui.Output(versionString.String()) 36 return 0 37 } 38 39 func (c *VersionCommand) Synopsis() string { 40 return "Prints the Terraform version" 41 }