coreapi unixfs: filestore opts

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
+	FsCache  bool
+	NoCopy   bool
 
 	Wrap      bool
 	Hidden    bool
@@ -59,6 +61,8 @@ func UnixfsAddOptions(opts ...UnixfsAddOption) (*UnixfsAddSettings, cid.Prefix,
 		Pin:      false,
 		OnlyHash: false,
 		Local:    false,
+		FsCache:  false,
+		NoCopy:   false,
 
 		Wrap:      false,
 		Hidden:    false,
@@ -76,6 +80,17 @@ func UnixfsAddOptions(opts ...UnixfsAddOption) (*UnixfsAddSettings, cid.Prefix,
 		}
 	}
 
+	// nocopy -> rawblocks
+	if options.NoCopy && !options.RawLeaves {
+		// fixed?
+		if options.RawLeavesSet {
+			return nil, cid.Prefix{}, fmt.Errorf("nocopy option requires '--raw-leaves' to be enabled as well")
+		}
+
+		// No, satisfy mandatory constraint.
+		options.RawLeaves = true
+	}
+
 	// (hash != "sha2-256") -> CIDv1
 	if options.MhType != mh.SHA2_256 {
 		switch options.CidVersion {
@@ -271,3 +286,23 @@ func (unixfsOpts) Progress(enable bool) UnixfsAddOption {
 		return nil
 	}
 }
+
+// FsCache tells the adder to check the filestore for pre-existing blocks
+//
+// Experimental
+func (unixfsOpts) FsCache(enable bool) UnixfsAddOption {
+	return func(settings *UnixfsAddSettings) error {
+		settings.FsCache = enable
+		return nil
+	}
+}
+
+// NoCopy tells the adder to add the files using filestore. Implies RawLeaves.
+//
+// Experimental
+func (unixfsOpts) Nocopy(enable bool) UnixfsAddOption {
+	return func(settings *UnixfsAddSettings) error {
+		settings.NoCopy = enable
+		return nil
+	}
+}