githaven/modules/git/repo_tree.go

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2014-07-26 04:24:27 +00:00
// 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
}