From 5aa706831f136b1ce054777bcda65675701a9ac0 Mon Sep 17 00:00:00 2001
From: Nick Craig-Wood <nick@craig-wood.com>
Date: Sun, 17 Mar 2019 14:31:30 +0000
Subject: [PATCH] b2: ignore already_hidden error on remove

Sometimes (possibly through eventual consistency) b2 returns an
already_hidden error on a delete.  Ignore this since it is harmless.
---
 backend/b2/b2.go | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/backend/b2/b2.go b/backend/b2/b2.go
index 75dbd6783..d9e5cb967 100644
--- a/backend/b2/b2.go
+++ b/backend/b2/b2.go
@@ -952,6 +952,13 @@ func (f *Fs) hide(Name string) error {
 		return f.shouldRetry(resp, err)
 	})
 	if err != nil {
+		if apiErr, ok := err.(*api.Error); ok {
+			if apiErr.Code == "already_hidden" {
+				// sometimes eventual consistency causes this, so
+				// ignore this error since it is harmless
+				return nil
+			}
+		}
 		return errors.Wrapf(err, "failed to hide %q", Name)
 	}
 	return nil