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- // Copyright 2015 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 (
- "strings"
- )
-
- // Tree represents a flat directory listing.
- type Tree struct {
- ID SHA1
- repo *Repository
-
- // parent tree
- ptree *Tree
-
- entries Entries
- entriesParsed bool
-
- entriesRecursive Entries
- entriesRecursiveParsed bool
- }
-
- // NewTree create a new tree according the repository and commit id
- func NewTree(repo *Repository, id SHA1) *Tree {
- return &Tree{
- ID: id,
- repo: repo,
- }
- }
-
- // SubTree get a sub tree by the sub dir path
- func (t *Tree) SubTree(rpath string) (*Tree, error) {
- if len(rpath) == 0 {
- return t, nil
- }
-
- paths := strings.Split(rpath, "/")
- var (
- err error
- g = t
- p = t
- te *TreeEntry
- )
- for _, name := range paths {
- te, err = p.GetTreeEntryByPath(name)
- if err != nil {
- return nil, err
- }
-
- g, err = t.repo.getTree(te.ID)
- if err != nil {
- return nil, err
- }
- g.ptree = p
- p = g
- }
- return g, nil
- }
-
- // ListEntries returns all entries of current tree.
- func (t *Tree) ListEntries() (Entries, error) {
- if t.entriesParsed {
- return t.entries, nil
- }
-
- stdout, err := NewCommand("ls-tree", t.ID.String()).RunInDirBytes(t.repo.Path)
- if err != nil {
- return nil, err
- }
-
- t.entries, err = parseTreeEntries(stdout, t)
- if err == nil {
- t.entriesParsed = true
- }
-
- return t.entries, err
- }
-
- // ListEntriesRecursive returns all entries of current tree recursively including all subtrees
- func (t *Tree) ListEntriesRecursive() (Entries, error) {
- if t.entriesRecursiveParsed {
- return t.entriesRecursive, nil
- }
- stdout, err := NewCommand("ls-tree", "-t", "-r", t.ID.String()).RunInDirBytes(t.repo.Path)
- if err != nil {
- return nil, err
- }
-
- t.entriesRecursive, err = parseTreeEntries(stdout, t)
- if err == nil {
- t.entriesRecursiveParsed = true
- }
-
- return t.entriesRecursive, err
- }
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