Set default current path as default in GDrive Upload

Author: mehrshaddarzi

README.md

@@ -342,11 +342,11 @@ wp gdrive about
 ### Upload Files or Folder
 
 ```console
- wp gdrive upload <path> [<UploadTo>] [--name=<file_name>] [--zip] [--force]
+ wp gdrive upload [<path>] [<UploadTo>] [--name=<file_name>] [--zip] [--force]
 ```
 
 path
- : The path of file or folder for Upload.
+ : The path of file or folder for Upload. `default is current path`
 
 UploadTo
 : The path dir where the file will be saved in Google Drive.
@@ -362,6 +362,12 @@ UploadTo
 
 ---
 
+Automatic create zip file archive file from all root directory and files and upload to GDrive:
+
+```console
+wp gdrive upload --zip
+```
+
 Upload backup.zip file to root dir in Google Drive:
 
 ```console

src/Gdrive_Command.php

@@ -972,7 +972,7 @@ function get($_, $assoc)
      *
      * ## OPTIONS
      *
-     * <path>
+     * [<path>]
      * : The path of file or folder for Upload.
      *
      * [<UploadTo>]
@@ -1040,6 +1040,9 @@ function upload($_, $assoc)
         }
 
         // Prepare File Path
+        if ( ! isset($_[0])) {
+            $_[0] = "/";
+        }
         $file_path = \WP_CLI_FileSystem::path_join(WP_CLI_Util::getcwd(), WP_CLI_Google_Drive::sanitize_path(trim($_[0])));
         if ( ! file_exists($file_path)) {
             WP_CLI_Helper::pl_wait_end();