Give proper timeout error message

1 files changed, 5 insertions, 0 deletions

diff --git a/drive/errors.go b/drive/errors.go
index e7631f7..465d818 100644
--- a/drive/errors.go
+++ b/drive/errors.go
@@ -1,6 +1,7 @@
 package drive
 
 import (
+	"golang.org/x/net/context"
 	"google.golang.org/api/googleapi"
 	"time"
 )
@@ -16,6 +17,10 @@ func isBackendError(err error) bool {
 	return ok && ae.Code >= 500 && ae.Code <= 599
 }
 
+func isTimeoutError(err error) bool {
+	return err == context.Canceled
+}
+
 func exponentialBackoffSleep(try int) {
 	seconds := pow(2, try)
 	time.Sleep(time.Duration(seconds) * time.Second)