Merge pull request #617 from kojoty/pju-fixes

#615 fix: compress all files from directory with json chunks of DB

Author: kojoty

okapi/services/replicate/ReplicateCommon.php

@@ -597,8 +597,11 @@ public static function generate_fulldump()
 
         $dumpfile_tarname = "okapi-dump.tar";
         $dumpfilename = $dumpfile_tarname.($use_bzip2 ? ".bz2" : ".gz");
+
+        # First create empty archive; next add to them the rest of files - then tar not return any warning
         self::execute(
-            "tar --directory $dir -c".($use_bzip2 ? "j" : "z")."f $dir/$dumpfilename index.json ".implode(" ", $json_files),
+            "touch $dir/$dumpfilename; ".
+            "tar --directory $dir -c".($use_bzip2 ? "j" : "z")."f $dir/$dumpfilename --exclude=$dumpfilename .",
             $shell_output
         );