use correct context in pubfunc pinning

License: MIT
Signed-off-by: Jeromy <jeromyj@gmail.com>

core/core.go

@@ -475,15 +475,15 @@ func (n *IpfsNode) loadFilesRoot() error {
 	dsk := ds.NewKey("/local/filesroot")
 	pf := func(ctx context.Context, k key.Key) error {
 		ds := n.Repo.Datastore()
-		if old, err := ds.Get(dsk); err == nil {
-			_ = n.Pinning.Unpin(n.Context(), key.Key(old.([]byte)), true)
+		if old, err := ds.Get(dsk); err == nil && old != nil {
+			_ = n.Pinning.Unpin(ctx, key.Key(old.([]byte)), true)
 		}
-		nnd, err := n.DAG.Get(n.Context(), k)
+		nnd, err := n.DAG.Get(ctx, k)
 		if err != nil {
 			return err
 		}
 
-		if err := n.Pinning.Pin(n.Context(), nnd, true); err != nil {
+		if err := n.Pinning.Pin(ctx, nnd, true); err != nil {
 			return err
 		}
 

mfs/ops.go

@@ -162,6 +162,7 @@ func Mkdir(r *Root, pth string, mkparents bool, flush bool) error {
 func Lookup(r *Root, path string) (FSNode, error) {
 	dir, ok := r.GetValue().(*Directory)
 	if !ok {
+		log.Error("root not a dir: %#v", r.GetValue())
 		return nil, errors.New("root was not a directory")
 	}