chore: initialize Gitea v1.27.2 fork

Includes direct password setup links in registration emails.

Assisted-by: Codex:GPT-5

modules/git/repo_tree_gogit.go

@@ -0,0 +1,67 @@
+// Copyright 2015 The Gogs Authors. All rights reserved.
+// Copyright 2019 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+//go:build gogit
+
+package git
+
+import (
+	"errors"
+
+	"gitea.dev/modules/git/gitcmd"
+
+	"github.com/go-git/go-git/v5/plumbing"
+)
+
+func (repo *Repository) getTree(id ObjectID) (*Tree, error) {
+	gogitTree, err := repo.gogitRepo.TreeObject(plumbing.Hash(id.RawValue()))
+	if err != nil {
+		if errors.Is(err, plumbing.ErrObjectNotFound) {
+			return nil, ErrNotExist{
+				ID: id.String(),
+			}
+		}
+		return nil, err
+	}
+
+	tree := NewTree(repo, id)
+	tree.resolvedGogitTreeObject = gogitTree
+	return tree, nil
+}
+
+// GetTree find the tree object in the repository.
+func (repo *Repository) GetTree(idStr string) (*Tree, error) {
+	objectFormat, err := repo.GetObjectFormat()
+	if err != nil {
+		return nil, err
+	}
+
+	if len(idStr) != objectFormat.FullLength() {
+		res, _, err := gitcmd.NewCommand("rev-parse", "--verify").
+			AddDynamicArguments(idStr).
+			WithDir(repo.Path).
+			RunStdString(repo.Ctx)
+		if err != nil {
+			return nil, err
+		}
+		if len(res) > 0 {
+			idStr = res[:len(res)-1]
+		}
+	}
+	id, err := NewIDFromString(idStr)
+	if err != nil {
+		return nil, err
+	}
+	resolvedID := id
+	commitObject, err := repo.gogitRepo.CommitObject(plumbing.Hash(id.RawValue()))
+	if err == nil {
+		id = ParseGogitHash(commitObject.TreeHash)
+	}
+	treeObject, err := repo.getTree(id)
+	if err != nil {
+		return nil, err
+	}
+	treeObject.ResolvedID = resolvedID
+	return treeObject, nil
+}