code clean

Signed-off-by: Billy Zha <[email protected]>

cmd/oras/internal/display/status/interface.go

@@ -39,7 +39,6 @@ type PullHandler interface {
 	// TrackTarget returns a tracked target.
 	// If no TTY is available, it returns the original target.
 	TrackTarget(gt oras.GraphTarget) (oras.GraphTarget, error)
-	io.Closer
 	// OnNodeProcessing is called when processing a manifest.
 	OnNodeProcessing(desc ocispec.Descriptor) error
 	// OnNodeDownloading is called before downloading a node.
@@ -50,4 +49,5 @@ type PullHandler interface {
 	OnNodeRestored(desc ocispec.Descriptor) error
 	// OnNodeSkipped is called when a node is skipped.
 	OnNodeSkipped(desc ocispec.Descriptor) error
+	io.Closer
 }

cmd/oras/internal/display/status/tty.go

@@ -89,7 +89,6 @@ func NewTTYAttachHandler(tty *os.File) AttachHandler {
 
 // TTYPullHandler handles TTY status output for pull events.
 type TTYPullHandler struct {
-	fetcher content.Fetcher
 	tty     *os.File
 	tracked track.GraphTarget
 }
@@ -138,6 +137,5 @@ func (ph *TTYPullHandler) TrackTarget(gt oras.GraphTarget) (oras.GraphTarget, er
 		return nil, err
 	}
 	ph.tracked = tracked
-	ph.fetcher = gt
 	return tracked, nil
 }