From 3c2bc8074c5066e332d2e0baab59058205664410 Mon Sep 17 00:00:00 2001
From: Koji Nakamaru <koji.nakamaru@gree.net>
Date: Wed, 17 Jun 2020 06:40:10 +0900
Subject: [PATCH] fixed GetFileContents() to surely return a non-nil error on
 Fail. (#138)

---
 gdrive/gdrive.go | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/gdrive/gdrive.go b/gdrive/gdrive.go
index 15ca655..9b55c3d 100644
--- a/gdrive/gdrive.go
+++ b/gdrive/gdrive.go
@@ -1015,7 +1015,16 @@ func (gd *GDrive) GetFileContents(f *File) (io.ReadCloser, error) {
 			// Rate-limit the download, if required.
 			return makeLimitedDownloadReader(resp.Body), nil
 		case Fail:
-			return nil, err
+			if resp != nil && resp.Body != nil {
+				defer resp.Body.Close()
+			}
+			if err != nil {
+				return nil, err
+			} else if resp != nil {
+				return nil, fmt.Errorf("%s", resp.Status)
+			} else {
+				return nil, fmt.Errorf("unknown error")
+			}
 		case Retry:
 		}
 	}