fix: rename KSA QR field to match localisation
diff --git a/erpnext/patches/v13_0/rename_ksa_qr_field.py b/erpnext/patches/v13_0/rename_ksa_qr_field.py
new file mode 100644
index 0000000..4946b0d
--- /dev/null
+++ b/erpnext/patches/v13_0/rename_ksa_qr_field.py
@@ -0,0 +1,14 @@
+# Copyright (c) 2020, Wahni Green Technologies and Contributors
+# License: GNU General Public License v3. See license.txt
+
+import frappe
+from frappe.model.utils.rename_field import rename_field
+
+
+def execute():
+	company = frappe.get_all('Company', filters = {'country': 'Saudi Arabia'})
+	if not company:
+		return
+
+	if frappe.db.exists('DocType', 'Sales Invoice') and frappe.get_meta('Sales Invoice').has_field('qr_code'):
+		rename_field('Sales Invoice', 'qr_code', 'ksa_einv_qr')