IS_BACKUPUPTODATE: add --max-depth=1 to limit the number of evaluated files

CHANGELOG

@@ -7,6 +7,8 @@ and this project **does not adhere to [Semantic Versioning](http://semver.org/sp
 
 ### Changed
 
+* IS_BACKUPUPTODATE: add --max-depth=1 to limit the number of evaluated files
+
 ### Deprecated
 
 ### Removed

evocheck.sh

@@ -744,7 +744,7 @@ check_backupuptodate() {
         if [ -n "$(ls -A ${backup_dir})" ]; then
             # Look for all files, including subdirectories.
             # If this turns out to be problematic, we can go back to first level only, with --max-depth=1
-            find "${backup_dir}" -type f | while read -r file; do
+            find "${backup_dir}" -type f --max-depth=1 | while read -r file; do
                 limit=$(date +"%s" -d "now - 2 day")
                 updated_at=$(stat -c "%Y" "$file")