From 28ebf0bdee981234b745c21b65c2a12b6cb4948d Mon Sep 17 00:00:00 2001
From: Ivan Wills <Ivan.Wills2@optus.com.au>
Date: Mon, 27 Apr 2020 14:07:24 +1000
Subject: [PATCH] Fixed situation where sub_command isn't a hashref

---
 lib/Getopt/Alt.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/Getopt/Alt.pm b/lib/Getopt/Alt.pm
index 4b5d4e1..4aaafbf 100644
--- a/lib/Getopt/Alt.pm
+++ b/lib/Getopt/Alt.pm
@@ -468,7 +468,7 @@ sub process {
 sub complete {
     my ($self, $errors) = @_;
 
-    if ( $self->sub_command && !$self->cmd ) {
+    if ( $self->sub_command && ref $self->sub_command && !$self->cmd ) {
         my $cmd = shift @ARGV;
         my @sub_command = grep { $cmd ? /$cmd/ : 1 } sort keys %{ $self->sub_command };
         print join ' ', @sub_command;