Fix:(issue_1921) Dont display [command] in help

command.go

@@ -900,9 +900,10 @@ func (cmd *Command) VisibleCategories() []CommandCategory {
 func (cmd *Command) VisibleCommands() []*Command {
 	var ret []*Command
 	for _, command := range cmd.Commands {
-		if !command.Hidden {
-			ret = append(ret, command)
+		if command.Hidden || command.Name == helpName {
+			continue
 		}
+		ret = append(ret, command)
 	}
 	return ret
 }

command_test.go

@@ -1026,7 +1026,6 @@ func TestCommand_VisibleCommands(t *testing.T) {
 	cmd.setupDefaults([]string{"cli.test"})
 	expected := []*Command{
 		cmd.Commands[0],
-		cmd.Commands[2], // help
 	}
 	actual := cmd.VisibleCommands()
 	assert.Len(t, actual, len(expected))

docs/migrate-v2-to-v3.md

@@ -123,7 +123,7 @@ in addition to other specific args. This allows handler functions to utilize con
 blocking/time-specific operations and so on
 
 * OLD: `type BeforeFunc func(*Context) error`
-* NEW: `type BeforeFunc func(context.Context, *cli.Command) error`
+* NEW: `type BeforeFunc func(context.Context, *cli.Command) (context.Context, error)`
 
 * OLD: `type AfterFunc func(*Context) error`
 * NEW: `type AfterFunc func(context.Context, *cli.Command) error`

docs/v3/examples/flags.md

@@ -501,7 +501,9 @@ getting data from a yaml file below.
 
 ```go
   // --- >8 ---
-  command.Before = altsrc.InitInputSourceWithContext(command.Flags, NewYamlSourceFromFlagFunc("load"))
+  command.Before = func(ctx context.Context, cmd *Command) (context.Context, error) {
+	return ctx, altsrc.InitInputSourceWithContext(command.Flags, NewYamlSourceFromFlagFunc("load"))
+  }
 ```
 
 The code above will use the "load" string as a flag name to get the file name of

docs/v3/examples/full-api-example.md

@@ -153,9 +153,9 @@ func main() {
 		ShellComplete: func(ctx context.Context, cmd *cli.Command) {
 			fmt.Fprintf(cmd.Root().Writer, "lipstick\nkiss\nme\nlipstick\nringo\n")
 		},
-		Before: func(ctx context.Context, cmd *cli.Command) error {
+		Before: func(ctx context.Context, cmd *cli.Command) (context.Context, error) {
 			fmt.Fprintf(cmd.Root().Writer, "HEEEERE GOES\n")
-			return nil
+			return nil, nil
 		},
 		After: func(ctx context.Context, cmd *cli.Command) error {
 			fmt.Fprintf(cmd.Root().Writer, "Phew!\n")

examples_test.go

@@ -181,14 +181,11 @@ func ExampleCommand_Run_commandHelp() {
 	//    greet describeit - use it to see a description
 	//
 	// USAGE:
-	//    greet describeit [command [command options]] [arguments...]
+	//    greet describeit [arguments...]
 	//
 	// DESCRIPTION:
 	//    This is how we describe describeit the function
 	//
-	// COMMANDS:
-	//    help, h  Shows a list of commands or help for one command
-	//
 	// OPTIONS:
 	//    --help, -h  show help
 }
@@ -205,10 +202,7 @@ func ExampleCommand_Run_noAction() {
 	//    greet - A new cli application
 	//
 	// USAGE:
-	//    greet [global options] [command [command options]] [arguments...]
-	//
-	// COMMANDS:
-	//    help, h  Shows a list of commands or help for one command
+	//    greet [global options] [arguments...]
 	//
 	// GLOBAL OPTIONS:
 	//    --help, -h  show help

help_test.go

@@ -82,10 +82,7 @@ func Test_Help_RequiredFlagsNoDefault(t *testing.T) {
    test - A new cli application
 
 USAGE:
-   test [global options] [command [command options]] [arguments...]
-
-COMMANDS:
-   help, h  Shows a list of commands or help for one command
+   test [global options] [arguments...]
 
 GLOBAL OPTIONS:
    --foo value, -f value  
@@ -198,7 +195,7 @@ func Test_helpCommand_InHelpOutput(t *testing.T) {
 	s := output.String()
 
 	require.NotContains(t, s, "\nCOMMANDS:\nGLOBAL OPTIONS:\n", "empty COMMANDS section detected")
-	require.Contains(t, s, "help, h", "missing \"help, h\"")
+	require.Contains(t, s, "--help, -h", "missing \"--help, --h\"")
 }
 
 func TestHelpCommand_FullName(t *testing.T) {
@@ -361,7 +358,6 @@ func TestShowCommandHelp_AppendHelp(t *testing.T) {
 			args: []string{"app", "cmd", "help"},
 			verify: func(t *testing.T, outString string) {
 				r := require.New(t)
-				r.Contains(outString, "help, h  Shows a list of commands or help for one command")
 				r.Contains(outString, "--help, -h  show help")
 			},
 		},
@@ -1512,11 +1508,6 @@ DESCRIPTION:
    enough to wrap in this test
    case
 
-COMMANDS:
-   help, h  Shows a list of
-            commands or help
-            for one command
-
 OPTIONS:
    --help, -h  show help
 `,
@@ -1655,11 +1646,6 @@ USAGE:
    this is long enough to wrap
    even more
 
-COMMANDS:
-   help, h  Shows a list of
-            commands or help
-            for one command
-
 OPTIONS:
    --test-f value my test
       usage
@@ -1733,12 +1719,7 @@ func TestCategorizedHelp(t *testing.T) {
               application
 
 USAGE:
-   cli.test [global options] [command [command options]] [arguments...]
-
-COMMANDS:
-   help, h  Shows a list of
-            commands or help
-            for one command
+   cli.test [global options] [arguments...]
 
 GLOBAL OPTIONS:
    --help, -h    show help