From 8a92727fb1b625faa0d5e150291c6aa3bae57f70 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Josu=C3=A9=20Tille?= <josue@tille.ch>
Date: Sat, 7 Sep 2019 13:01:45 +0200
Subject: [PATCH] Check that  exist before the calculate the checksum

---
 data/helpers.d/backup | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/data/helpers.d/backup b/data/helpers.d/backup
index dcf306085..d3ffffcd3 100644
--- a/data/helpers.d/backup
+++ b/data/helpers.d/backup
@@ -339,7 +339,7 @@ ynh_backup_if_checksum_is_different () {
     backup_file_checksum=""
     if [ -n "$checksum_value" ]
     then    # Proceed only if a value was stored into the app settings
-        if ! echo "$checksum_value $file" | sudo md5sum -c --status
+        if [ -e $file ] && ! echo "$checksum_value $file" | sudo md5sum -c --status
         then    # If the checksum is now different
             backup_file_checksum="/home/yunohost.conf/backup/$file.backup.$(date '+%Y%m%d.%H%M%S')"
             sudo mkdir -p "$(dirname "$backup_file_checksum")"