Update vendor directory

vendor/github.com/jessevdk/go-flags/help.go

@@ -72,6 +72,9 @@ func (p *Parser) getAlignmentInfo() alignmentInfo {
 	var prevcmd *Command
 
 	p.eachActiveGroup(func(c *Command, grp *Group) {
+		if !grp.showInHelp() {
+			return
+		}
 		if c != prevcmd {
 			for _, arg := range c.args {
 				ret.updateLen(arg.Name, c != p.Command)
@@ -79,7 +82,7 @@ func (p *Parser) getAlignmentInfo() alignmentInfo {
 		}
 
 		for _, info := range grp.options {
-			if !info.canCli() {
+			if !info.showInHelp() {
 				continue
 			}
 
@@ -225,12 +228,12 @@ func (p *Parser) writeHelpOption(writer *bufio.Writer, option *Option, info alig
 		}
 
 		var envDef string
-		if option.EnvDefaultKey != "" {
+		if option.EnvKeyWithNamespace() != "" {
 			var envPrintable string
 			if runtime.GOOS == "windows" {
-				envPrintable = "%" + option.EnvDefaultKey + "%"
+				envPrintable = "%" + option.EnvKeyWithNamespace() + "%"
 			} else {
-				envPrintable = "$" + option.EnvDefaultKey
+				envPrintable = "$" + option.EnvKeyWithNamespace()
 			}
 			envDef = fmt.Sprintf(" [%s]", envPrintable)
 		}
@@ -305,7 +308,7 @@ func (p *Parser) WriteHelp(writer io.Writer) {
 				}
 			} else if us, ok := allcmd.data.(Usage); ok {
 				usage = us.Usage()
-			} else if allcmd.hasCliOptions() {
+			} else if allcmd.hasHelpOptions() {
 				usage = fmt.Sprintf("[%s-OPTIONS]", allcmd.Name)
 			}
 
@@ -393,7 +396,7 @@ func (p *Parser) WriteHelp(writer io.Writer) {
 			}
 
 			for _, info := range grp.options {
-				if !info.canCli() || info.Hidden {
+				if !info.showInHelp() {
 					continue
 				}
 
@@ -489,3 +492,23 @@ func (p *Parser) WriteHelp(writer io.Writer) {
 
 	wr.Flush()
 }
+
+// WroteHelp is a helper to test the error from ParseArgs() to
+// determine if the help message was written. It is safe to
+// call without first checking that error is nil.
+func WroteHelp(err error) bool {
+	if err == nil { // No error
+		return false
+	}
+
+	flagError, ok := err.(*Error)
+	if !ok { // Not a go-flag error
+		return false
+	}
+
+	if flagError.Type != ErrHelp { // Did not print the help message
+		return false
+	}
+
+	return true
+}