From 0b7886dee88bfdc543855d13a8a3d3e25e675437 Mon Sep 17 00:00:00 2001
From: David Lawrence <dkl@mozilla.com>
Date: Mon, 8 Dec 2014 18:00:17 +0000
Subject: Bug 1095244: DB crash when adding an alias that differs only in case
 from an existing alias r=glob,a=glob

---
 Bugzilla/Bug.pm | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

(limited to 'Bugzilla')

diff --git a/Bugzilla/Bug.pm b/Bugzilla/Bug.pm
index 7b97d1ff8..a49656e07 100644
--- a/Bugzilla/Bug.pm
+++ b/Bugzilla/Bug.pm
@@ -2905,8 +2905,19 @@ sub add_alias {
     return if !$alias;
     my $aliases = $self->_check_alias($alias);
     $alias = $aliases->[0];
-    my $bug_aliases = $self->alias;
-    push(@$bug_aliases, $alias) if !grep($_ eq $alias, @$bug_aliases);
+    my @new_aliases;
+    my $found = 0;
+    foreach my $old_alias (@{ $self->alias }) {
+        if (lc($old_alias) eq lc($alias)) {
+            push(@new_aliases, $alias);
+            $found = 1;
+        }
+        else {
+            push(@new_aliases, $old_alias);
+        }
+    }
+    push(@new_aliases, $alias) if !$found;
+    $self->{alias} = \@new_aliases;
 }
 
 sub remove_alias {
-- 
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