Bugfix: Remove version flag from commands with subcommands

command.go

@@ -241,7 +241,7 @@ func (c *Command) startApp(ctx *Context) error {
 	app.HideHelpCommand = c.HideHelpCommand
 
 	app.Version = ctx.App.Version
-	app.HideVersion = ctx.App.HideVersion
+	app.HideVersion = true
 	app.Compiled = ctx.App.Compiled
 	app.Writer = ctx.App.Writer
 	app.ErrWriter = ctx.App.ErrWriter

command_test.go

@@ -377,3 +377,48 @@ func TestCommand_Run_CustomShellCompleteAcceptsMalformedFlags(t *testing.T) {
 	}
 
 }
+
+func TestCommand_NoVersionFlagOnCommands(t *testing.T) {
+	app := &App{
+		Version: "some version",
+		Commands: []*Command{
+			{
+				Name:        "bar",
+				Usage:       "this is for testing",
+				Subcommands: []*Command{{}}, // some subcommand
+				HideHelp:    true,
+				Action: func(c *Context) error {
+					if len(c.App.VisibleFlags()) != 0 {
+						t.Fatal("unexpected flag on command")
+					}
+					return nil
+				},
+			},
+		},
+	}
+
+	err := app.Run([]string{"foo", "bar"})
+	expect(t, err, nil)
+}
+
+func TestCommand_CanAddVFlagOnCommands(t *testing.T) {
+	app := &App{
+		Version: "some version",
+		Writer:  ioutil.Discard,
+		Commands: []*Command{
+			{
+				Name:        "bar",
+				Usage:       "this is for testing",
+				Subcommands: []*Command{{}}, // some subcommand
+				Flags: []Flag{
+					&BoolFlag{
+						Name: "v",
+					},
+				},
+			},
+		},
+	}
+
+	err := app.Run([]string{"foo", "bar"})
+	expect(t, err, nil)
+}