From ff41b0d4350a43adcfb6cf46b8f3aa8f675ad819 Mon Sep 17 00:00:00 2001
From: Nick Craig-Wood <nick@craig-wood.com>
Date: Sat, 5 Nov 2016 18:03:55 +0000
Subject: [PATCH] Improve error message when source remote isn't found in sync
 #848

---
 fs/operations.go | 3 +++
 fs/sync.go       | 5 +++++
 2 files changed, 8 insertions(+)

diff --git a/fs/operations.go b/fs/operations.go
index 034ce21e4..1c7a0d156 100644
--- a/fs/operations.go
+++ b/fs/operations.go
@@ -420,6 +420,9 @@ func readFilesMap(fs Fs, includeAll bool, dir string) (files map[string]Object,
 		normalised[normalisedRemote] = struct{}{}
 		return nil
 	})
+	if err != nil {
+		err = errors.Wrapf(err, "error listing: %s", fs)
+	}
 	return files, err
 }
 
diff --git a/fs/sync.go b/fs/sync.go
index 12d2cc154..8925414b2 100644
--- a/fs/sync.go
+++ b/fs/sync.go
@@ -5,6 +5,8 @@ package fs
 import (
 	"sync"
 	"time"
+
+	"github.com/pkg/errors"
 )
 
 type syncCopyMove struct {
@@ -103,6 +105,9 @@ func (s *syncCopyMove) readSrcUsingChan() {
 		return nil
 	})
 	close(s.srcFilesChan)
+	if err != nil {
+		err = errors.Wrapf(err, "error listing source: %s", s.fsrc)
+	}
 	s.srcFilesResult <- err
 }