Updating to latest version of kurin/blazer, which eliminates need to fetch attributes to get name.

src/restic/backend/b2/b2.go

@@ -221,18 +221,13 @@ func (be *b2) List(t restic.FileType, done <-chan struct{}) <-chan string {
 				return
 			}
 			for _, obj := range objs {
-				info, err := obj.Attrs(be.context)
-				if err != nil {
-					continue
-				}
-
 				// Skip objects returned that do not have the specified prefix.
-				if !strings.HasPrefix(info.Name, prefix) {
+				if !strings.HasPrefix(obj.Name(), prefix) {
 					continue
 				}
 
 				// Remove the prefix from returned names.
-				m := strings.TrimPrefix(info.Name, prefix)
+				m := strings.TrimPrefix(obj.Name(), prefix)
 				if m == "" {
 					continue
 				}

vendor/manifest

@@ -34,7 +34,7 @@
 		{
 			"importpath": "github.com/kurin/blazer",
 			"repository": "https://github.com/kurin/blazer",
-			"revision": "b1c2abe264719d4d2062dbeb10d17d5de28d26ca",
+			"revision": "fff096e261374c464c633ef70b264f5e9651b091",
 			"branch": "master"
 		},
 		{

vendor/src/github.com/kurin/blazer/b2/b2.go

@@ -155,6 +155,11 @@ type Attrs struct {
 	Info            map[string]string // Save arbitrary metadata on upload, but limited to 10 keys.
 }
 
+// Name returns an object's name
+func (o *Object) Name() string {
+	return o.name
+}
+
 // Attrs returns an object's attributes.
 func (o *Object) Attrs(ctx context.Context) (*Attrs, error) {
 	if err := o.ensure(ctx); err != nil {