Extend migration to update original content type for ConfigRevision

netbox/core/migrations/0009_configrevision.py

@@ -25,7 +25,7 @@ class Migration(migrations.Migration):
                     },
                 ),
             ],
-            # Table has been renamed from extras_configrevision
+            # Table will be renamed from extras_configrevision in extras/0101_move_configrevision
             database_operations=[],
         ),
     ]

netbox/extras/migrations/0101_move_configrevision.py

@@ -1,6 +1,17 @@
 from django.db import migrations
 
 
+def update_content_type(apps, schema_editor):
+    ContentType = apps.get_model('contenttypes', 'ContentType')
+
+    # Delete the new ContentType effected by the introduction of core.ConfigRevision
+    ContentType.objects.filter(app_label='core', model='configrevision').delete()
+
+    # Update the app label of the original ContentType for extras.ConfigRevision to ensure any foreign key
+    # references are preserved
+    ContentType.objects.filter(app_label='extras', model='configrevision').update(app_label='core')
+
+
 class Migration(migrations.Migration):
 
     dependencies = [
@@ -21,4 +32,8 @@ class Migration(migrations.Migration):
                 ),
             ],
         ),
+        migrations.RunPython(
+            code=update_content_type,
+            reverse_code=migrations.RunPython.noop
+        ),
     ]