From 98b250b66ed53fd4f52a85f1e8e897652b2d29f8 Mon Sep 17 00:00:00 2001
From: Ned Batchelder <ned@edx.org>
Date: Wed, 15 Feb 2017 11:16:07 -0500
Subject: [PATCH] A new django app for unicorn migrations

---
 cms/envs/common.py                                             | 3 +++
 common/djangoapps/database_fixups/__init__.py                  | 3 +++
 .../migrations/0001_initial.py}                                | 3 +--
 common/djangoapps/database_fixups/migrations/__init__.py       | 0
 lms/envs/common.py                                             | 3 +++
 5 files changed, 10 insertions(+), 2 deletions(-)
 create mode 100644 common/djangoapps/database_fixups/__init__.py
 rename common/djangoapps/{student/migrations/0011_auto_20170214_1200.py => database_fixups/migrations/0001_initial.py} (93%)
 create mode 100644 common/djangoapps/database_fixups/migrations/__init__.py

diff --git a/cms/envs/common.py b/cms/envs/common.py
index 94145d2568..8daa48195f 100644
--- a/cms/envs/common.py
+++ b/cms/envs/common.py
@@ -959,6 +959,9 @@ INSTALLED_APPS = (
 
     # management of user-triggered async tasks (course import/export, etc.)
     'user_tasks',
+
+    # Unusual migrations
+    'database_fixups',
 )
 
 
diff --git a/common/djangoapps/database_fixups/__init__.py b/common/djangoapps/database_fixups/__init__.py
new file mode 100644
index 0000000000..bea2d2681a
--- /dev/null
+++ b/common/djangoapps/database_fixups/__init__.py
@@ -0,0 +1,3 @@
+"""
+This app exists solely to host unusual database migrations.
+"""
diff --git a/common/djangoapps/student/migrations/0011_auto_20170214_1200.py b/common/djangoapps/database_fixups/migrations/0001_initial.py
similarity index 93%
rename from common/djangoapps/student/migrations/0011_auto_20170214_1200.py
rename to common/djangoapps/database_fixups/migrations/0001_initial.py
index 726039d72d..110104fdea 100644
--- a/common/djangoapps/student/migrations/0011_auto_20170214_1200.py
+++ b/common/djangoapps/database_fixups/migrations/0001_initial.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 from __future__ import unicode_literals
 
-from django.db import migrations
+from django.db import migrations, models
 
 # We used to have a uniqueness constraint on auth_user.email:
 # https://github.com/edx/edx-platform/commit/c52727b0e0fb241d8211900975d3b69fe5a1bd57
@@ -27,7 +27,6 @@ def add_email_uniqueness_constraint(apps, schema_editor):
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('student', '0010_auto_20170207_0458'),
     ]
 
     operations = [
diff --git a/common/djangoapps/database_fixups/migrations/__init__.py b/common/djangoapps/database_fixups/migrations/__init__.py
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/lms/envs/common.py b/lms/envs/common.py
index 54857fbc33..832bb30d62 100644
--- a/lms/envs/common.py
+++ b/lms/envs/common.py
@@ -2164,6 +2164,9 @@ INSTALLED_APPS = (
 
     # Ability to detect and special-case crawler behavior
     'openedx.core.djangoapps.crawlers',
+
+    # Unusual migrations
+    'database_fixups',
 )
 
 # Migrations which are not in the standard module "migrations"