chore: initialize Gitea v1.27.2 fork

Includes direct password setup links in registration emails.

Assisted-by: Codex:GPT-5

services/auth/sync.go

@@ -0,0 +1,43 @@
+// Copyright 2021 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package auth
+
+import (
+	"context"
+
+	"gitea.dev/models/auth"
+	"gitea.dev/models/db"
+	"gitea.dev/modules/log"
+)
+
+// SyncExternalUsers is used to synchronize users with external authorization source
+func SyncExternalUsers(ctx context.Context, updateExisting bool) error {
+	log.Trace("Doing: SyncExternalUsers")
+
+	ls, err := db.Find[auth.Source](ctx, auth.FindSourcesOptions{})
+	if err != nil {
+		log.Error("SyncExternalUsers: %v", err)
+		return err
+	}
+
+	for _, s := range ls {
+		if !s.IsActive || !s.IsSyncEnabled {
+			continue
+		}
+		select {
+		case <-ctx.Done():
+			log.Warn("SyncExternalUsers: Cancelled before update of %s", s.Name)
+			return db.ErrCancelledf("Before update of %s", s.Name)
+		default:
+		}
+
+		if syncable, ok := s.Cfg.(SynchronizableSource); ok {
+			err := syncable.Sync(ctx, updateExisting)
+			if err != nil {
+				return err
+			}
+		}
+	}
+	return nil
+}