Handle grand children with the same name as the root

This fixes a problem where if you had a root command and a grand child
with the same name, the parser would break and would not run the
grandchild. The code was special casing if the immediate child had the
same name, but didn't handle grand-children

cobra_test.go

@@ -378,6 +378,24 @@ func TestChildSameName(t *testing.T) {
 	}
 }
 
+func TestGrandChildSameName(t *testing.T) {
+	c := initializeWithSameName()
+	cmdTimes.AddCommand(cmdPrint)
+	c.AddCommand(cmdTimes)
+	c.SetArgs(strings.Split("times print one two", " "))
+	c.Execute()
+
+	if te != nil || tt != nil {
+		t.Error("Wrong command called")
+	}
+	if tp == nil {
+		t.Error("Wrong command called")
+	}
+	if strings.Join(tp, " ") != "one two" {
+		t.Error("Command didn't parse correctly")
+	}
+}
+
 func TestFlagLong(t *testing.T) {
 	noRRSetupTest("echo --intone=13 something here")
 

command.go

@@ -423,8 +423,9 @@ func (c *Command) Find(args []string) (*Command, []string, error) {
 	commandFound, a := innerfind(c, args)
 
 	// If we matched on the root, but we asked for a subcommand, return an error
-	if commandFound.Name() == c.Name() && len(stripFlags(args, c)) > 0 && commandFound.Name() != args[0] {
-		return nil, a, fmt.Errorf("unknown command %q", stripFlags(args, c)[0])
+	argsWOflags := stripFlags(a, commandFound)
+	if commandFound == c && len(argsWOflags) > 0 {
+		return nil, a, fmt.Errorf("unknown command %q", argsWOflags[0])
 	}
 
 	return commandFound, a, nil