use new app.ExtraInfo inside minio and donut commands properly

Godeps/Godeps.json

@@ -39,8 +39,8 @@
 		},
 		{
 			"ImportPath": "github.com/minio/cli",
-			"Comment": "1.2.0-112-g823349c",
-			"Rev": "823349ce91e76834a4af0119d5bbc58fd4d2c6b0"
+			"Comment": "1.2.0-114-g9280cba",
+			"Rev": "9280cbaadcdd26d50b5ae85123682e37944701de"
 		},
 		{
 			"ImportPath": "gopkg.in/check.v1",

Godeps/_workspace/src/github.com/minio/cli/app.go

@@ -46,7 +46,7 @@ type App struct {
 	// Compilation date
 	Compiled string
 	// ExtraInfo pass additional info as a key value map
-	ExtraInfo map[string]string
+	ExtraInfo func() map[string]string
 	// List of all authors who contributed
 	Authors []Author
 	// Name of Author (Note: Use App.Authors, this is deprecated)
@@ -125,10 +125,13 @@ func (a *App) Run(arguments []string) (err error) {
 		}()
 
 		HelpPrinter = func(templ string, data interface{}) {
-			funcMap := template.FuncMap{
-				"join": strings.Join,
+			funcMap := template.FuncMap{}
+			funcMap["join"] = strings.Join
+			// if ExtraInfo function
+			funcMap["ExtraInfo"] = func() map[string]string { return make(map[string]string) }
+			if a.ExtraInfo != nil {
+				funcMap["ExtraInfo"] = a.ExtraInfo
 			}
-
 			w := tabwriter.NewWriter(a.Writer, 0, 8, 1, '\t', 0)
 			t := template.Must(template.New("help").Funcs(funcMap).Parse(templ))
 			err := t.Execute(w, data)

Godeps/_workspace/src/github.com/minio/cli/help.go

@@ -25,7 +25,7 @@ VERSION:
 {{if .Compiled}}
 BUILD:
    {{.Compiled}}{{end}}
-{{range $key, $value := .ExtraInfo}}
+{{range $key, $value := ExtraInfo}}
 {{$value}}{{end}}
 `
 

cmd/donut/main.go

@@ -149,7 +149,6 @@ func main() {
 
 	// set up app
 	app := cli.NewApp()
-	app.Action = runMkdonut
 	app.Name = "donut"
 	app.Version = getVersion()
 	app.Compiled = getVersion()
@@ -158,11 +157,15 @@ func main() {
 	app.Commands = commands
 	app.Flags = flags
 	app.Before = func(c *cli.Context) error {
-		if c.GlobalBool("debug") {
-			app.ExtraInfo = getSystemData()
-		}
+		globalDebugFlag = c.GlobalBool("debug")
 		return nil
 	}
+	app.ExtraInfo = func() map[string]string {
+		if globalDebugFlag {
+			return getSystemData()
+		}
+		return make(map[string]string)
+	}
 	app.CustomAppHelpTemplate = `NAME:
   {{.Name}} - {{.Usage}}
 
@@ -175,7 +178,7 @@ GLOBAL FLAGS:
 VERSION:
   {{if .Compiled}}
   {{.Compiled}}{{end}}
-  {{range $key, $value := .ExtraInfo}}
+  {{range $key, $value := ExtraInfo}}
 {{$key}}:
   {{$value}}
 {{end}}

main.go

@@ -114,11 +114,16 @@ func main() {
 	app.Flags = flags
 	app.Commands = commands
 	app.Before = func(c *cli.Context) error {
-		if c.GlobalBool("debug") {
-			app.ExtraInfo = getSystemData()
-		}
+		globalDebugFlag = c.GlobalBool("debug")
 		return nil
 	}
+	app.ExtraInfo = func() map[string]string {
+		if globalDebugFlag {
+			return getSystemData()
+		}
+		return make(map[string]string)
+	}
+
 	app.CustomAppHelpTemplate = `NAME:
   {{.Name}} - {{.Usage}}
 
@@ -134,7 +139,7 @@ GLOBAL FLAGS:
 VERSION:
   {{if .Compiled}}
   {{.Compiled}}{{end}}
-  {{range $key, $value := .ExtraInfo}}
+  {{range $key, $value := ExtraInfo}}
 {{$key}}:
   {{$value}}
 {{end}}