From 3934f119f94c2a68697f63d81a57c5a1b806a3b7 Mon Sep 17 00:00:00 2001
From: UmakanthKaspa <kaspaumakanth1999@gmail.com>
Date: Wed, 4 Dec 2024 06:16:01 +0000
Subject: [PATCH] fix: exclude 'no copy' fields when duplicating child table
 rows

---
 frappe/public/js/frappe/form/grid.js | 31 ++++++++++++++++------------
 1 file changed, 18 insertions(+), 13 deletions(-)

diff --git a/frappe/public/js/frappe/form/grid.js b/frappe/public/js/frappe/form/grid.js
index 68321fdd2e..25c451c413 100644
--- a/frappe/public/js/frappe/form/grid.js
+++ b/frappe/public/js/frappe/form/grid.js
@@ -881,20 +881,25 @@ export default class Grid {
 	}
 
 	duplicate_row(d, copy_doc) {
+		const noCopyFields = new Set([
+			"creation",
+			"modified",
+			"modified_by",
+			"idx",
+			"owner",
+			"parent",
+			"doctype",
+			"name",
+			"parentfield",
+		]);
+
+		const docfields = frappe.get_meta(this.doctype).fields || [];
+		$.each(docfields, function (_index, df) {
+			if (cint(df.no_copy)) noCopyFields.add(df.fieldname);
+		});
+
 		$.each(copy_doc, function (key, value) {
-			if (
-				![
-					"creation",
-					"modified",
-					"modified_by",
-					"idx",
-					"owner",
-					"parent",
-					"doctype",
-					"name",
-					"parentfield",
-				].includes(key)
-			) {
+			if (!noCopyFields.has(key)) {
 				d[key] = value;
 			}
 		});