- enhance rev. info

cli.go

@@ -32,7 +32,7 @@ func RunCustom(args []string, commands map[string]cli.CommandFactory) int {
 	// just show the version.
 	for _, arg := range args {
 		if arg == "-v" || arg == "-version" || arg == "--version" {
-			newArgs := make([]string, len(args)+1)
+			newArgs := make([]string, len(args) + 1)
 			newArgs[0] = "version"
 			copy(newArgs[1:], args)
 			args = newArgs

command/version.go

@@ -8,17 +8,25 @@ import (
 type VersionCommand struct {
 	Meta
 
-	Name     string
-	Version  string
-	Revision string
+	Name      string
+	Revision  string
+	Version   string
+	BuildBy string
+	Tag    string
 }
 
 func (c *VersionCommand) Run(args []string) int {
 	var versionString bytes.Buffer
 
-	fmt.Fprintf(&versionString, "%s version %s", c.Name, c.Version)
+	fmt.Fprintf(&versionString, "%s version ", c.Name, c.Version)
 	if c.Revision != "" {
-		fmt.Fprintf(&versionString, " (%s)", c.Revision)
+		fmt.Fprintf(&versionString, " Revision : %s", c.Revision)
+	}
+	if c.BuildBy != "" {
+		fmt.Fprintf(&versionString, " Build by : %s", c.BuildBy)
+	}
+	if c.Tag != "" {
+		fmt.Fprintf(&versionString, " Tag : %s", c.Tag)
 	}
 
 	c.Ui.Output(versionString.String())
@@ -28,7 +36,6 @@ func (c *VersionCommand) Run(args []string) int {
 func (c *VersionCommand) Synopsis() string {
 	return fmt.Sprintf("Print %s version and quit", c.Name)
 }
-
 func (c *VersionCommand) Help() string {
 	return ""
 }

commands.go

@@ -36,9 +36,12 @@ func Commands(meta *command.Meta) map[string]cli.CommandFactory {
 		"version": func() (cli.Command, error) {
 			return &command.VersionCommand{
 				Meta:     *meta,
-				Version:  Version,
-				Revision: GitCommit,
 				Name:     Name,
+				Revision: GitCommit,
+				Version:  Version,
+				BuildBy: BuiltUser,
+				Tag:   GitTag,
+
 			}, nil
 		},
 	}

version.go

@@ -7,3 +7,5 @@ const Version string = "0.1.0"
 // This value is extracted by git command when building.
 // To set this from outside, use go build -ldflags "-X main.GitCommit \"$(COMMIT)\""
 var GitCommit string
+var BuiltUser string
+var GitTag string