From 1ec05c1c3225c9baaec2011831dc6f69fc94caac Mon Sep 17 00:00:00 2001
From: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
Date: Wed, 27 Jan 2021 12:03:33 +0100
Subject: [PATCH] Bug 14004: Set the syspref's value to an empty string

It's tested with "defined" in C4::Context->preference

Signed-off-by: Fridolin Somers <fridolin.somers@biblibre.com>

Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
(cherry picked from commit 6b23c0634b43a60f0a434d4c43a3e57718ad0806)
Signed-off-by: Fridolin Somers <fridolin.somers@biblibre.com>
(cherry picked from commit efdf8bb303d0fd37a80150f41193b34173e23d3f)

Signed-off-by: Andrew Fuerste-Henry <andrew@bywatersolutions.com>
---
 C4/Auth.pm | 20 +++++++++++++++-----
 1 file changed, 15 insertions(+), 5 deletions(-)

diff --git a/C4/Auth.pm b/C4/Auth.pm
index cc7e2f8bb4..b9d3c074fe 100644
--- a/C4/Auth.pm
+++ b/C4/Auth.pm
@@ -440,11 +440,21 @@ sub get_template_and_user {
 
     # Sysprefs disabled via URL param
     # Note that value must be defined in order to override via ENV
-    foreach my $syspref ( qw( OPACUserCSS OPACUserJS IntranetUserCSS IntranetUserJS ) ) {
-        $ENV{"OVERRIDE_SYSPREF_$syspref"} = q{ } if $in->{'query'}->param("DISABLE_SYSPREF_$syspref");
-    }
-    foreach my $syspref ( qw( OpacAdditionalStylesheet opaclayoutstylesheet intranetcolorstylesheet intranetstylesheet ) ) {
-        $ENV{"OVERRIDE_SYSPREF_$syspref"} = 0 if $in->{'query'}->param("DISABLE_SYSPREF_$syspref");
+    foreach my $syspref (
+        qw(
+            OPACUserCSS
+            OPACUserJS
+            IntranetUserCSS
+            IntranetUserJS
+            OpacAdditionalStylesheet
+            opaclayoutstylesheet
+            intranetcolorstylesheet
+            intranetstylesheet
+        )
+      )
+    {
+        $ENV{"OVERRIDE_SYSPREF_$syspref"} = q{}
+          if $in->{'query'}->param("DISABLE_SYSPREF_$syspref");
     }
 
     # Anonymous opac search history
-- 
2.39.5