1 files changed, 32 insertions, 0 deletions
diff --git a/modules/git/repo_tree.go b/modules/git/repo_tree.go
new file mode 100644
index 0000000000..da394c3605
--- /dev/null
+++ b/modules/git/repo_tree.go
@@ -0,0 +1,32 @@
+// Copyright 2014 The Gogs Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package git
+
+import (
+	"fmt"
+
+	"github.com/Unknwon/com"
+)
+
+// Find the tree object in the repository.
+func (repo *Repository) GetTree(idStr string) (*Tree, error) {
+	id, err := NewIdFromString(idStr)
+	if err != nil {
+		return nil, err
+	}
+	return repo.getTree(id)
+}
+
+func (repo *Repository) getTree(id sha1) (*Tree, error) {
+	treePath := filepathFromSHA1(repo.Path, id.String())
+	if !com.IsFile(treePath) {
+		_, _, err := com.ExecCmdDir(repo.Path, "git", "ls-tree", id.String())
+		if err != nil {
+			return nil, fmt.Errorf("repo.getTree: %v", ErrNotExist)
+		}
+	}
+
+	return NewTree(repo, id), nil
+}