Fix tests

app_test.go

@@ -177,7 +177,7 @@ func ExampleApp_Run_commandHelp() {
 	//    greet describeit - use it to see a description
 	//
 	// USAGE:
-	//    greet describeit [arguments...]
+	//    greet describeit [command options] [arguments...]
 	//
 	// DESCRIPTION:
 	//    This is how we describe describeit the function

category.go

@@ -100,29 +100,15 @@ func newFlagCategories() FlagCategories {
 
 func newFlagCategoriesFromFlags(fs []Flag) FlagCategories {
 	fc := newFlagCategories()
-	if !enableCategory(fs) {
-		return fc
-	}
 	for _, fl := range fs {
 		if cf, ok := fl.(CategorizableFlag); ok {
-			fc.AddFlag(cf.GetCategory(), cf)
-		}
-	}
-
-	return fc
-}
-
-func enableCategory(fs []Flag) bool {
-	for _, fl := range fs {
-		if cf, ok := fl.(CategorizableFlag); ok {
-			// When a category is specified, it is assumed that the entire command opens the category
-			if len(cf.GetCategory()) != 0 {
-				return true
+			if cf.GetCategory() != "" {
+				fc.AddFlag(cf.GetCategory(), cf)
 			}
 		}
 	}
 
-	return false
+	return fc
 }
 
 func (f *defaultFlagCategories) AddFlag(category string, fl Flag) {

command.go

@@ -312,7 +312,9 @@ func (c *Command) VisibleFlagCategories() []VisibleFlagCategory {
 		c.flagCategories = newFlagCategories()
 		for _, fl := range c.Flags {
 			if cf, ok := fl.(CategorizableFlag); ok {
-				c.flagCategories.AddFlag(cf.GetCategory(), cf)
+				if cf.GetCategory() != "" {
+					c.flagCategories.AddFlag(cf.GetCategory(), cf)
+				}
 			}
 		}
 	}

help.go

@@ -242,11 +242,7 @@ func ShowCommandHelp(ctx *Context, command string) error {
 				c.Subcommands = append(c.Subcommands, helpCommandDontUse)
 			}
 			if !ctx.App.HideHelp && HelpFlag != nil {
-				if c.flagCategories == nil {
-					c.flagCategories = newFlagCategoriesFromFlags([]Flag{HelpFlag})
-				} else {
-					c.flagCategories.AddFlag("", HelpFlag)
-				}
+				c.appendFlag(HelpFlag)
 			}
 			templ := c.CustomHelpTemplate
 			if templ == "" {

help_test.go

@@ -1366,7 +1366,8 @@ DESCRIPTION:
    case
 
 OPTIONS:
-   --help, -h  show help (default: false)
+   --help, -h show help
+      (default: false)
 `
 
 	if output.String() != expected {
@@ -1435,7 +1436,8 @@ USAGE:
    even more
 
 OPTIONS:
-   --help, -h  show help (default: false)
+   --help, -h show help
+      (default: false)
 `
 
 	if output.String() != expected {
@@ -1510,8 +1512,10 @@ USAGE:
    even more
 
 OPTIONS:
-   --help, -h      show help (default: false)
-   --test-f value  my test usage
+   --test-f value my test
+      usage
+   --help, -h show help
+      (default: false)
 `
 
 	if output.String() != expected {

template.go

@@ -18,8 +18,8 @@ var visibleFlagCategoryTemplate = `{{range .VisibleFlagCategories}}
 {{else}}{{$e}}
    {{end}}{{end}}{{end}}`
 
-var visibleFlagTemplate = `{{range $index, $option := .VisibleFlags}}{{if $index}}{{end}}
-   {{wrap $option.String 6}}{{end}}`
+var visibleFlagTemplate = `{{range $i, $e := .VisibleFlags}}
+   {{wrap $e.String 6}}{{end}}`
 
 var versionTemplate = `{{if .Version}}{{if not .HideVersion}}
 
@@ -73,7 +73,8 @@ DESCRIPTION:
 
 OPTIONS:{{template "visibleFlagCategoryTemplate" .}}{{else if .VisibleFlags}}
 
-OPTIONS:{{template "visibleFlagTemplate" .}}{{end}}`
+OPTIONS:{{template "visibleFlagTemplate" .}}{{end}}
+`
 
 // SubcommandHelpTemplate is the text template for the subcommand help topic.
 // cli.go uses text/template to render templates. You can
@@ -91,7 +92,8 @@ COMMANDS:{{template "visibleCommandTemplate" .}}{{end}}{{if .VisibleFlagCategori
 
 OPTIONS:{{template "visibleFlagCategoryTemplate" .}}{{else if .VisibleFlags}}
 
-OPTIONS:{{template "visibleFlagTemplate" .}}{{end}}`
+OPTIONS:{{template "visibleFlagTemplate" .}}{{end}}
+`
 
 var MarkdownDocTemplate = `{{if gt .SectionNum 0}}% {{ .App.Name }} {{ .SectionNum }}