Merge pull request #48 from ipfs/fix-mutex-copying

don't copy mutexes

Author: marten-seemann

commit.go

@@ -124,8 +124,19 @@ func (c *Commit) Cid() cid.Cid {
 }
 
 func (c *Commit) Copy() node.Node {
-	nc := *c
-	return &nc
+	return &Commit{
+		DataSize:  c.DataSize,
+		GitTree:   c.GitTree,
+		Parents:   c.Parents,
+		Message:   c.Message,
+		Author:    c.Author,
+		Committer: c.Committer,
+		Encoding:  c.Encoding,
+		Sig:       c.Sig,
+		MergeTag:  c.MergeTag,
+		Other:     c.Other,
+		cid:       c.cid,
+	}
 }
 
 func (c *Commit) Links() []*node.Link {

tag.go

@@ -30,8 +30,15 @@ func (t *Tag) Cid() cid.Cid {
 }
 
 func (t *Tag) Copy() node.Node {
-	nt := *t
-	return &nt
+	return &Tag{
+		Object:   t.Object,
+		Type:     t.Type,
+		Tag:      t.Tag,
+		Tagger:   t.Tagger,
+		Message:  t.Message,
+		dataSize: t.dataSize,
+		cid:      t.cid,
+	}
 }
 
 func (t *Tag) Links() []*node.Link {

tree.go

@@ -131,7 +131,7 @@ func (t *Tree) Resolve(p []string) (interface{}, []string, error) {
 	}
 }
 
-func (t Tree) ResolveLink(path []string) (*node.Link, []string, error) {
+func (t *Tree) ResolveLink(path []string) (*node.Link, []string, error) {
 	out, rest, err := t.Resolve(path)
 	if err != nil {
 		return nil, nil, err