chore: initialize Gitea v1.27.2 fork

Includes direct password setup links in registration emails.

Assisted-by: Codex:GPT-5

modules/git/commit_convert_gogit.go

@@ -0,0 +1,75 @@
+// Copyright 2015 The Gogs Authors. All rights reserved.
+// Copyright 2018 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+//go:build gogit
+
+package git
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/go-git/go-git/v5/plumbing/object"
+)
+
+func convertPGPSignature(c *object.Commit) *CommitSignature {
+	if c.PGPSignature == "" {
+		return nil
+	}
+
+	var w strings.Builder
+	var err error
+
+	if _, err = fmt.Fprintf(&w, "tree %s\n", c.TreeHash.String()); err != nil {
+		return nil
+	}
+
+	for _, parent := range c.ParentHashes {
+		if _, err = fmt.Fprintf(&w, "parent %s\n", parent.String()); err != nil {
+			return nil
+		}
+	}
+
+	if _, err = fmt.Fprint(&w, "author "); err != nil {
+		return nil
+	}
+
+	if err = c.Author.Encode(&w); err != nil {
+		return nil
+	}
+
+	if _, err = fmt.Fprint(&w, "\ncommitter "); err != nil {
+		return nil
+	}
+
+	if err = c.Committer.Encode(&w); err != nil {
+		return nil
+	}
+
+	if c.Encoding != "" && c.Encoding != "UTF-8" {
+		if _, err = fmt.Fprintf(&w, "\nencoding %s\n", c.Encoding); err != nil {
+			return nil
+		}
+	}
+
+	if _, err = fmt.Fprintf(&w, "\n\n%s", c.Message); err != nil {
+		return nil
+	}
+
+	return &CommitSignature{
+		Signature: c.PGPSignature,
+		Payload:   w.String(),
+	}
+}
+
+func convertCommit(c *object.Commit) *Commit {
+	return &Commit{
+		ID:            ParseGogitHash(c.Hash),
+		CommitMessage: CommitMessage{MessageRaw: c.Message},
+		Committer:     &c.Committer,
+		Author:        &c.Author,
+		Signature:     convertPGPSignature(c),
+		Parents:       ParseGogitHashArray(c.ParentHashes),
+	}
+}