From 086b0c0db7b154da7bcf6c1cb038e509be09851b Mon Sep 17 00:00:00 2001
From: Jarrod Johnson <jjohnson2@lenovo.com>
Date: Wed, 3 Oct 2018 08:52:04 -0400
Subject: [PATCH] Fix ,= operator adding duplicate groups if , delimited

---
 xCAT-server/lib/xcat/plugins/tabutils.pm | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/xCAT-server/lib/xcat/plugins/tabutils.pm b/xCAT-server/lib/xcat/plugins/tabutils.pm
index 0eb17bc45..2033d898a 100644
--- a/xCAT-server/lib/xcat/plugins/tabutils.pm
+++ b/xCAT-server/lib/xcat/plugins/tabutils.pm
@@ -1730,11 +1730,14 @@ sub nodech
                                     if ($cent) { $curval = $cent->{$key}; }
                                 }
                                 if ($curval) {
-                                    my @vals = split(/,/, $curval);
-                                    unless (grep /^$val$/, @vals) {
-                                        unshift @vals, $val;
-                                        my $newval = join(',', @vals);
-                                        $uhsh{$key} = $newval;
+                                    foreach my $subval (split /,/, $val) {
+                                        my @vals = split(/,/, $curval);
+                                        unless (grep /^$subval$/, @vals) {
+                                            unshift @vals, $subval;
+                                            my $newval = join(',', @vals);
+                                            $uhsh{$key} = $newval;
+                                            $curval = $newval;
+                                        }
                                     }
                                 } else {
                                     $uhsh{$key} = $val;