From c062312f04c4c0dfd5cf973657b93fac29513c0e Mon Sep 17 00:00:00 2001
From: Alex Yatskov <alex@foosoft.net>
Date: Tue, 16 Jun 2015 19:13:29 +0900
Subject: [PATCH] Fixing version scanning issues

---
 database.go | 12 ++++++++----
 version.go  |  4 ++--
 2 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/database.go b/database.go
index 0ece936..543fbcd 100644
--- a/database.go
+++ b/database.go
@@ -88,9 +88,7 @@ func (this *database) buildVersions(base string) (versionList, error) {
 		return nil, err
 	}
 
-	var parent *version
 	var vers versionList
-
 	for _, node := range nodes {
 		if !node.IsDir() {
 			continue
@@ -101,16 +99,22 @@ func (this *database) buildVersions(base string) (versionList, error) {
 			return nil, err
 		}
 
-		ver, err := newVersion(path.Join(base, node.Name()), timestamp, this, parent)
+		ver, err := newVersion(path.Join(base, node.Name()), timestamp, this)
 		if err != nil {
 			return nil, err
 		}
 
 		vers = append(vers, ver)
-		parent = ver
 	}
 
 	sort.Sort(vers)
+
+	var parentVer *version
+	for _, ver := range vers {
+		ver.parent = parentVer
+		parentVer = ver
+	}
+
 	return vers, nil
 }
 
diff --git a/version.go b/version.go
index df4b6ef..2f4b5d5 100644
--- a/version.go
+++ b/version.go
@@ -48,13 +48,13 @@ type version struct {
 	db        *database
 }
 
-func newVersion(base string, timestamp time.Time, db *database, parent *version) (*version, error) {
+func newVersion(base string, timestamp time.Time, db *database) (*version, error) {
 	meta, err := newVersionMetadata(filepath.Join(base, "meta.json"))
 	if err != nil {
 		return nil, err
 	}
 
-	return &version{base, parent, timestamp, meta, nil, db}, nil
+	return &version{base, nil, timestamp, meta, nil, db}, nil
 }
 
 func (this *version) scanDir(path string) (versionedNodeMap, error) {