From 7e941ba67ceab8a74ba50509d13ed4298f8305cd Mon Sep 17 00:00:00 2001
From: Andrew Godwin <andrew@aeracode.org>
Date: Wed, 12 Feb 2014 18:55:20 +0000
Subject: [PATCH] Reverting unapplied migrations check away from being a
 system-level check.

This reverts commit 0ac13eccebb3d879f79b31585b1e81f655067179.
---
 django/core/checks/__init__.py               |  1 -
 django/core/checks/migrations.py             | 31 --------------------
 django/core/management/commands/runserver.py | 14 +++++++++
 3 files changed, 14 insertions(+), 32 deletions(-)
 delete mode 100644 django/core/checks/migrations.py

diff --git a/django/core/checks/__init__.py b/django/core/checks/__init__.py
index 691f2f9606..82a3acf337 100644
--- a/django/core/checks/__init__.py
+++ b/django/core/checks/__init__.py
@@ -8,7 +8,6 @@ from .registry import register, run_checks, tag_exists
 
 # Import these to force registration of checks
 import django.core.checks.compatibility.django_1_6_0  # NOQA
-import django.core.checks.migrations  # NOQA
 import django.core.checks.model_checks  # NOQA
 
 __all__ = [
diff --git a/django/core/checks/migrations.py b/django/core/checks/migrations.py
deleted file mode 100644
index c557ad39e7..0000000000
--- a/django/core/checks/migrations.py
+++ /dev/null
@@ -1,31 +0,0 @@
-# -*- coding: utf-8 -*-
-from __future__ import unicode_literals
-
-from django.conf import settings
-
-from . import Warning, register
-
-
-@register('migrations')
-def check_migrations(app_configs=None, **kwargs):
-    """
-    Checks to see if the set of migrations on disk matches the
-    migrations in the database. Prints a warning if they don't match.
-    """
-    from django.db import connections, DEFAULT_DB_ALIAS
-    from django.db.migrations.executor import MigrationExecutor
-
-    errors = []
-    plan = None
-    if settings.DATABASES:
-        executor = MigrationExecutor(connections[DEFAULT_DB_ALIAS])
-        plan = executor.migration_plan(executor.loader.graph.leaf_nodes())
-    if plan:
-        errors.append(
-            Warning(
-                "You have unapplied migrations; "
-                "your app may not work properly until they are applied.",
-                hint="Run 'python manage.py migrate' to apply them.",
-            )
-        )
-    return errors
diff --git a/django/core/management/commands/runserver.py b/django/core/management/commands/runserver.py
index 8320614409..e85aa88c3e 100644
--- a/django/core/management/commands/runserver.py
+++ b/django/core/management/commands/runserver.py
@@ -10,6 +10,8 @@ import socket
 
 from django.core.management.base import BaseCommand, CommandError
 from django.core.servers.basehttp import run, get_internal_wsgi_application
+from django.db import connections, DEFAULT_DB_ALIAS
+from django.db.migrations.executor import MigrationExecutor
 from django.utils import autoreload
 from django.utils import six
 
@@ -99,6 +101,7 @@ class Command(BaseCommand):
 
         self.stdout.write("Performing system checks...\n\n")
         self.validate(display_num_errors=True)
+        self.check_migrations()
         now = datetime.now().strftime('%B %d, %Y - %X')
         if six.PY2:
             now = now.decode('utf-8')
@@ -143,5 +146,16 @@ class Command(BaseCommand):
                 self.stdout.write(shutdown_message)
             sys.exit(0)
 
+    def check_migrations(self):
+        """
+        Checks to see if the set of migrations on disk matches the
+        migrations in the database. Prints a warning if they don't match.
+        """
+        executor = MigrationExecutor(connections[DEFAULT_DB_ALIAS])
+        plan = executor.migration_plan(executor.loader.graph.leaf_nodes())
+        if plan:
+            self.stdout.write(self.style.NOTICE("\nYou have unapplied migrations; your app may not work properly until they are applied."))
+            self.stdout.write(self.style.NOTICE("Run 'python manage.py migrate' to apply them.\n"))
+
 # Kept for backward compatibility
 BaseRunserverCommand = Command