From ea586482fde2b4daf3d957f5149ec2754cb88329 Mon Sep 17 00:00:00 2001
From: Anna Kozlova <anna.kozlova@jetbrains.com>
Date: Wed, 20 Jul 2022 12:55:14 +0200
Subject: [PATCH] [templates] generate child template name on copy
 (IDEA-298139)

GitOrigin-RevId: e2fd180f4b4ce703c72ca86bc670d7a7af9808ff
---
 .../ide/fileTemplates/impl/AllFileTemplatesConfigurable.java | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/platform/lang-impl/src/com/intellij/ide/fileTemplates/impl/AllFileTemplatesConfigurable.java b/platform/lang-impl/src/com/intellij/ide/fileTemplates/impl/AllFileTemplatesConfigurable.java
index c73ca42400c2..0891d24d16ef 100644
--- a/platform/lang-impl/src/com/intellij/ide/fileTemplates/impl/AllFileTemplatesConfigurable.java
+++ b/platform/lang-impl/src/com/intellij/ide/fileTemplates/impl/AllFileTemplatesConfigurable.java
@@ -153,7 +153,10 @@ public final class AllFileTemplatesConfigurable implements SearchableConfigurabl
     }
     @SuppressWarnings("UnresolvedPropertyKey")
     final String nameTemplate = IdeBundle.message("template.copy.N.of.T");
-    String name = MessageFormat.format(nameTemplate, "", selected.getName());
+
+    String name = FileTemplateBase.isChild(selected) && selected instanceof FileTemplateBase 
+                  ? ((FileTemplateBase)selected).getChildName(selected.getChildren().length)
+                  : MessageFormat.format(nameTemplate, "", selected.getName());
     int i = 0;
     while (names.contains(name)) {
       name = MessageFormat.format(nameTemplate, ++i + " ", selected.getName());