From 4e7e6048deb67a6e35cf94f356396ac05b869e5a Mon Sep 17 00:00:00 2001
From: Laurent Destailleur <eldy@destailleur.fr>
Date: Sat, 1 May 2021 15:42:49 +0200
Subject: [PATCH] Debug generation of webp

---
 htdocs/core/tpl/filemanager.tpl.php | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/htdocs/core/tpl/filemanager.tpl.php b/htdocs/core/tpl/filemanager.tpl.php
index f06d1806fe2..c98dcec2a43 100644
--- a/htdocs/core/tpl/filemanager.tpl.php
+++ b/htdocs/core/tpl/filemanager.tpl.php
@@ -202,10 +202,13 @@ if ($action == 'convertimgwebp' && $permtoadd) {
 		if (!(substr_compare($filepath, 'webp', -strlen('webp')) === 0)) {
 			if (image_format_supported($filepath) == 1) {
 				$filepathnoext = preg_replace("/\..*/", "", $filepath);
-				$result = dol_imageResizeOrCrop($filepath, 0, 0, 0, 0, 0, $filepathnoext.'.webp', 90);
-				if (!dol_is_file($result)) {
-					$error++;
-					setEventMessages($result, null, 'errors');
+
+				if (! dol_is_file($filepathnoext.'.webp')) {	// If file does not exists yet
+					$result = dol_imageResizeOrCrop($filepath, 0, 0, 0, 0, 0, $filepathnoext.'.webp', 90);
+					if (!dol_is_file($result)) {
+						$error++;
+						setEventMessages($result, null, 'errors');
+					}
 				}
 			}
 		}