snapshot of https://github.com/zulip/zulip.git @ 48c69911c7dd4e03b20552eb3bd77ad8151c1357 (2026-09-15)

zerver/migrations/0237_rename_zulip_realm_to_zulipinternal.py

@@ -0,0 +1,45 @@
+from django.conf import settings
+from django.db import migrations
+from django.db.backends.base.schema import BaseDatabaseSchemaEditor
+from django.db.migrations.state import StateApps
+
+
+def rename_zulip_realm_to_zulipinternal(
+    apps: StateApps, schema_editor: BaseDatabaseSchemaEditor
+) -> None:
+    if not settings.PRODUCTION:
+        return
+
+    Realm = apps.get_model("zerver", "Realm")
+    UserProfile = apps.get_model("zerver", "UserProfile")
+
+    if not Realm.objects.exists():
+        # Database not yet populated, do nothing:
+        return
+
+    if Realm.objects.filter(string_id="zulipinternal").exists():
+        return
+    if not Realm.objects.filter(string_id="zulip").exists():
+        # If the user renamed the `zulip` system bot realm (or deleted
+        # it), there's nothing for us to do.
+        return
+
+    internal_realm = Realm.objects.get(string_id="zulip")
+
+    # For safety, as a sanity check, verify that "internal_realm" is indeed the realm for system bots:
+    welcome_bot = UserProfile.objects.get(email="welcome-bot@zulip.com")
+    assert welcome_bot.realm.id == internal_realm.id
+
+    internal_realm.string_id = "zulipinternal"
+    internal_realm.name = "System use only"
+    internal_realm.save()
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("zerver", "0236_remove_illegal_characters_email_full"),
+    ]
+
+    operations = [
+        migrations.RunPython(rename_zulip_realm_to_zulipinternal, elidable=True),
+    ]