130 lines
2.5 KiB
Go
130 lines
2.5 KiB
Go
// Copyright 2015 The Gogs Authors. All rights reserved.
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// Copyright 2019 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package git
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import (
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"io"
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"strings"
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"gopkg.in/src-d/go-git.v4/plumbing"
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"gopkg.in/src-d/go-git.v4/plumbing/object"
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)
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// Tree represents a flat directory listing.
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type Tree struct {
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ID SHA1
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ResolvedID SHA1
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repo *Repository
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gogitTree *object.Tree
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// parent tree
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ptree *Tree
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}
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// NewTree create a new tree according the repository and tree id
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func NewTree(repo *Repository, id SHA1) *Tree {
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return &Tree{
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ID: id,
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repo: repo,
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}
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}
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// SubTree get a sub tree by the sub dir path
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func (t *Tree) SubTree(rpath string) (*Tree, error) {
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if len(rpath) == 0 {
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return t, nil
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}
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paths := strings.Split(rpath, "/")
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var (
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err error
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g = t
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p = t
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te *TreeEntry
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)
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for _, name := range paths {
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te, err = p.GetTreeEntryByPath(name)
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if err != nil {
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return nil, err
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}
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g, err = t.repo.getTree(te.ID)
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if err != nil {
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return nil, err
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}
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g.ptree = p
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p = g
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}
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return g, nil
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}
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func (t *Tree) loadTreeObject() error {
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gogitTree, err := t.repo.gogitRepo.TreeObject(t.ID)
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if err != nil {
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return err
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}
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t.gogitTree = gogitTree
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return nil
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}
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// ListEntries returns all entries of current tree.
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func (t *Tree) ListEntries() (Entries, error) {
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if t.gogitTree == nil {
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err := t.loadTreeObject()
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if err != nil {
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return nil, err
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}
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}
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entries := make([]*TreeEntry, len(t.gogitTree.Entries))
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for i, entry := range t.gogitTree.Entries {
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entries[i] = &TreeEntry{
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ID: entry.Hash,
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gogitTreeEntry: &t.gogitTree.Entries[i],
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ptree: t,
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}
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}
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return entries, nil
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}
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// ListEntriesRecursive returns all entries of current tree recursively including all subtrees
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func (t *Tree) ListEntriesRecursive() (Entries, error) {
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if t.gogitTree == nil {
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err := t.loadTreeObject()
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if err != nil {
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return nil, err
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}
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}
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var entries []*TreeEntry
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seen := map[plumbing.Hash]bool{}
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walker := object.NewTreeWalker(t.gogitTree, true, seen)
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for {
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fullName, entry, err := walker.Next()
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if err == io.EOF {
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break
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}
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if err != nil {
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return nil, err
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}
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if seen[entry.Hash] {
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continue
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}
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convertedEntry := &TreeEntry{
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ID: entry.Hash,
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gogitTreeEntry: &entry,
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ptree: t,
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fullName: fullName,
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}
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entries = append(entries, convertedEntry)
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}
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return entries, nil
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}
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