fix: Don't silently ignore errors when opening drive

cmd/stbak/cmd/archive.go

@@ -90,14 +90,14 @@ var archiveCmd = &cobra.Command{
 			viper.GetBool(overwriteFlag),
 		)
 		if err != nil {
-			return nil
+			return err
 		}
 		defer writer.Close()
 		reader, readerIsRegular, err := tape.OpenTapeReadOnly(
 			viper.GetString(driveFlag),
 		)
 		if err != nil {
-			return nil
+			return err
 		}
 		defer reader.Close()
 

cmd/stbak/cmd/delete.go

@@ -56,14 +56,14 @@ var deleteCmd = &cobra.Command{
 			false,
 		)
 		if err != nil {
-			return nil
+			return err
 		}
 		defer writer.Close()
 		reader, readerIsRegular, err := tape.OpenTapeReadOnly(
 			viper.GetString(driveFlag),
 		)
 		if err != nil {
-			return nil
+			return err
 		}
 		defer reader.Close()
 

cmd/stbak/cmd/move.go

@@ -52,14 +52,14 @@ var moveCmd = &cobra.Command{
 			false,
 		)
 		if err != nil {
-			return nil
+			return err
 		}
 		defer writer.Close()
 		reader, readerIsRegular, err := tape.OpenTapeReadOnly(
 			viper.GetString(driveFlag),
 		)
 		if err != nil {
-			return nil
+			return err
 		}
 		defer reader.Close()
 

cmd/stbak/cmd/update.go

@@ -73,14 +73,14 @@ var updateCmd = &cobra.Command{
 			false,
 		)
 		if err != nil {
-			return nil
+			return err
 		}
 		defer writer.Close()
 		reader, readerIsRegular, err := tape.OpenTapeReadOnly(
 			viper.GetString(driveFlag),
 		)
 		if err != nil {
-			return nil
+			return err
 		}
 		defer reader.Close()