tar backuper cousin to rsync-backup

files/rsync-backup

@@ -103,7 +103,9 @@ class RSB:
         if os.path.exists(tgt_dir):
             raise FileExistsError("Folder {} already exists".format(tgt_dir))
 
-        subprocess.call(["cp", "-ldr", "--preserve=xattr", self.current, tgt_dir], shell=False)
+        subprocess.call(
+            ["cp", "-ldr", "--preserve=xattr", self.current, tgt_dir], shell=False
+        )
 
     def make_backup(self):
         if self.options.no_backup:
@@ -123,7 +125,6 @@ class RSB:
         return success
 
     def write_config(self):
-
         conf = json.dumps(vars(self.options))
         with open(self.config_file, "wt") as fp:
             fp.write(
@@ -164,7 +165,6 @@ rsync-backup \\
 
 
 def get_opts():
-
     parser = ArgumentParser(
         description="Minimal incrementive backup utility using rsync and hard links.",
     )