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-rw-r--r--storage/filesystem/object.go26
1 files changed, 26 insertions, 0 deletions
diff --git a/storage/filesystem/object.go b/storage/filesystem/object.go
index 13b8ddb..34501ec 100644
--- a/storage/filesystem/object.go
+++ b/storage/filesystem/object.go
@@ -126,6 +126,32 @@ func (s *ObjectStorage) SetEncodedObject(o plumbing.EncodedObject) (plumbing.Has
return o.Hash(), err
}
+// HasEncodedObject returns nil if the object exists, without actually
+// reading the object data from storage.
+func (s *ObjectStorage) HasEncodedObject(h plumbing.Hash) (err error) {
+ // Check unpacked objects
+ f, err := s.dir.Object(h)
+ if err != nil {
+ if !os.IsNotExist(err) {
+ return err
+ }
+ // Fall through to check packed objects.
+ } else {
+ defer ioutil.CheckClose(f, &err)
+ return nil
+ }
+
+ // Check packed objects.
+ if err := s.requireIndex(); err != nil {
+ return err
+ }
+ _, _, offset := s.findObjectInPackfile(h)
+ if offset == -1 {
+ return plumbing.ErrObjectNotFound
+ }
+ return nil
+}
+
// EncodedObject returns the object with the given hash, by searching for it in
// the packfile and the git object directories.
func (s *ObjectStorage) EncodedObject(t plumbing.ObjectType, h plumbing.Hash) (plumbing.EncodedObject, error) {