From 9b9ac630ed4858d8a2f9c7a0f9e5ac02b9359a17 Mon Sep 17 00:00:00 2001
From: Michael Hafen <michael.hafen@washk12.org>
Date: Fri, 7 May 2021 14:13:49 -0600
Subject: [PATCH] Bug 28303: Fix plugins system with multiple pluginsdir
 settings
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C4/Templates::badtemplatecheck mucks with the config('pluginsdir') array ref.
This makes sure it operates on a copy of the array.

To test:
   1) $ prove t/db_dependent/Templates.t

Signed-off-by: David Nind <david@davidnind.com>
JK: Fix commit message styling and add test plan

Signed-off-by: Joonas Kylmälä <joonas.kylmala@iki.fi>

Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>
---
 C4/Templates.pm | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/C4/Templates.pm b/C4/Templates.pm
index 644e235b91..e4ee985071 100644
--- a/C4/Templates.pm
+++ b/C4/Templates.pm
@@ -187,9 +187,14 @@ sub badtemplatecheck {
         # This also includes two dots
         Koha::Exceptions::NoPermission->throw( 'bad template path' );
     } else {
-        # Check allowed dirs
+        # Check allowed dirs - make sure we operate on a copy of the config
         my $dirs = C4::Context->config("pluginsdir");
-        $dirs = [ $dirs ] if !ref($dirs);
+        if ( !ref($dirs) ) {
+            $dirs = [ $dirs ];
+        }
+        else {
+            $dirs = [ @$dirs ];
+        }
         unshift @$dirs, C4::Context->config('opachtdocs'), C4::Context->config('intrahtdocs');
         my $found = 0;
         foreach my $dir ( @$dirs ) {
-- 
2.39.5