Add debugging to fix backup

openwrtbuilder

@@ -623,8 +623,10 @@ extract() {
   fi
 }
 backup() {
+  debug "BACKUP1"
   local file="$1" dir="$2" count=1
   local creation_date base_name backup_file
+  debug "file=$file dir=$dir count=$count"
   [[ -f $file ]] || return 1
   [[ -d $dir ]] || execute mkdir -p "$dir"
   creation_date=$(stat -c %w "$file" 2>/dev/null || stat -c %y "$file" | cut -d' ' -f1)