From f688e3f09f7169f433f2f2630f7d776590e49655 Mon Sep 17 00:00:00 2001
From: jbjohnso <jbjohnso@8638fb3e-16cb-4fca-ae20-7b5d299a9bcd>
Date: Mon, 10 Aug 2009 21:09:00 +0000
Subject: [PATCH] -Fix BUG on empty criteria searches -Accept '=' as a
 delimeter for convenience (NodeRange will never support assignment of table
 values, it makes no sense)

git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@3981 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
---
 perl-xCAT/xCAT/NodeRange.pm | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/perl-xCAT/xCAT/NodeRange.pm b/perl-xCAT/xCAT/NodeRange.pm
index d1fece21a..7ae3c5117 100644
--- a/perl-xCAT/xCAT/NodeRange.pm
+++ b/perl-xCAT/xCAT/NodeRange.pm
@@ -76,6 +76,9 @@ sub nodesbycriteria {
        } elsif ($criteria =~ /[^=]*==/) {
         ($criteria,$value) = split /==/,$criteria,2;
         $matchtype='match';
+       } elsif ($criteria =~ /[^=]*=/) {
+        ($criteria,$value) = split /=/,$criteria,2;
+        $matchtype='match';
        } elsif ($criteria =~ /[^=]*!~/) {
         ($criteria,$value) = split /!~/,$criteria,2;
         $value =~ s/^\///;
@@ -208,7 +211,11 @@ sub expandatom { #TODO: implement table selection as an atom (nodetype.os==rhels
         foreach (@allnodeset) {
             push @nodes,$_->{node};
         }
-        return @{nodesbycriteria(\@nodes,[$atom])->{$atom}};
+        my $nbyc = nodesbycriteria(\@nodes,[$atom])->{$atom};
+        if (defined $nbyc) {
+            return @$nbyc;
+        }
+        return ();
     }
 	if ($atom =~ m/^[0-9]+\z/) {    # if only numbers, then add the prefix
 		my $nodename=$nprefix.$atom.$nsuffix;