GDrive: Check gdrive-local-config-path on Oauth2

Check localConfigPath == "" on NEWGDriveStorage()

Author: DoyunShin

cmd/cmd.go

@@ -471,11 +471,10 @@ func New() *Cmd {
 			}
 		case "gdrive":
 			chunkSize := c.Int("gdrive-chunk-size") * 1024 * 1024
+			localConfigPath = c.String("gdrive-local-config-path")
 
 			if clientJSONFilepath := c.String("gdrive-client-json-filepath"); clientJSONFilepath == "" {
 				panic("client-json-filepath not set.")
-			} else if localConfigPath := c.String("gdrive-local-config-path"); localConfigPath == "" {
-				panic("local-config-path not set.")
 			} else if basedir := c.String("basedir"); basedir == "" {
 				panic("basedir not set.")
 			} else if store, err := storage.NewGDriveStorage(clientJSONFilepath, localConfigPath, basedir, chunkSize, logger); err != nil {

server/storage/gdrive.go

@@ -52,6 +52,9 @@ func NewGDriveStorage(clientJSONFilepath string, localConfigPath string, basedir
 		logger.Println("GDrive: using Service Account credentials")
 		httpClient = JWTConfigFromJSON(b, logger).Client(ctx)
 	} else {
+		if localConfigPath == "" {
+			panic("local-config-path not set.")
+		}
 		logger.Println("GDrive: using OAuth2 credentials")
 		config, err := google.ConfigFromJSON(b, drive.DriveScope, drive.DriveMetadataScope)
 		if err != nil {