1 files changed, 29 insertions, 0 deletions
diff --git a/rrs/migrations/0015_rmh_layerbranch_populate.py b/rrs/migrations/0015_rmh_layerbranch_populate.py
new file mode 100644
index 0000000000..5c3d5e3335
--- /dev/null
+++ b/rrs/migrations/0015_rmh_layerbranch_populate.py
@@ -0,0 +1,29 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import settings
+
+
+def populate_rmh_layerbranch(apps, schema_editor):
+    RecipeMaintainerHistory = apps.get_model('rrs', 'RecipeMaintainerHistory')
+    LayerBranch = apps.get_model('layerindex', 'LayerBranch')
+    if not settings.CORE_LAYER_NAME:
+        raise Exception('Please set CORE_LAYER_NAME in settings.py')
+    core_layerbranch = LayerBranch.objects.filter(layer__name=settings.CORE_LAYER_NAME).first()
+    if not core_layerbranch:
+        raise Exception('Unable to find core layer "%s" specified in CORE_LAYER_NAME in settings.py - please set up the layerindex application first' % settings.CORE_LAYER_NAME)
+    for row in RecipeMaintainerHistory.objects.all():
+        row.layerbranch = core_layerbranch
+        row.save()
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('rrs', '0014_reup_layerbranch_nonnull'),
+    ]
+
+    operations = [
+        migrations.RunPython(populate_rmh_layerbranch, reverse_code=migrations.RunPython.noop),
+    ]