coreapi unixfs: wrap option

License: MIT
Signed-off-by: Łukasz Magiera <magik6k@gmail.com>

options/unixfs.go

@@ -31,6 +31,8 @@ type UnixfsAddSettings struct {
 	Pin      bool
 	OnlyHash bool
 	Local    bool
+
+	Wrap bool
 }
 
 type UnixfsAddOption func(*UnixfsAddSettings) error
@@ -51,6 +53,8 @@ func UnixfsAddOptions(opts ...UnixfsAddOption) (*UnixfsAddSettings, cid.Prefix,
 		Pin:      false,
 		OnlyHash: false,
 		Local:    false,
+
+		Wrap: false,
 	}
 
 	for _, opt := range opts {
@@ -202,3 +206,12 @@ func (unixfsOpts) Local(local bool) UnixfsAddOption {
 		return nil
 	}
 }
+
+// Wrap tells the adder to wrap the added file structure with an additional
+// directory.
+func (unixfsOpts) Wrap(wrap bool) UnixfsAddOption {
+	return func(settings *UnixfsAddSettings) error {
+		settings.Wrap = wrap
+		return nil
+	}
+}