package packer import ( "bytes" "fmt" ) // The git commit that is being compiled. This will be filled in by the // compiler for source builds. var GitCommit string // The version of packer. const Version = "0.5.2" // Any pre-release marker for the version. If this is "" (empty string), // then it means that it is a final release. Otherwise, this is the // pre-release marker. const VersionPrerelease = "dev" type versionCommand byte func (versionCommand) Help() string { return `usage: packer version Outputs the version of Packer that is running. There are no additional command-line flags for this command.` } func (versionCommand) Run(env Environment, args []string) int { env.Ui().Machine("version", Version) env.Ui().Machine("version-prelease", VersionPrerelease) env.Ui().Machine("version-commit", GitCommit) var versionString bytes.Buffer fmt.Fprintf(&versionString, "Packer v%s", Version) if VersionPrerelease != "" { fmt.Fprintf(&versionString, ".%s", VersionPrerelease) if GitCommit != "" { fmt.Fprintf(&versionString, " (%s)", GitCommit) } } env.Ui().Say(versionString.String()) return 0 } func (versionCommand) Synopsis() string { return "print Packer version" }