From 9bdd5384ec884e2956f4ec554de6f00e02414b3f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Juan=20Mart=C3=ADn=20Sotuyo=20Dodero?=
 <juan.sotuyo@pedidosya.com>
Date: Wed, 3 Apr 2024 12:11:32 -0300
Subject: [PATCH] Wait for the CPD GUI to be closed

 - Fixes #4913
---
 .../pmd/cli/commands/internal/CpdGuiCommand.java           | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/pmd-cli/src/main/java/net/sourceforge/pmd/cli/commands/internal/CpdGuiCommand.java b/pmd-cli/src/main/java/net/sourceforge/pmd/cli/commands/internal/CpdGuiCommand.java
index f6da7bc988..6310b58e91 100644
--- a/pmd-cli/src/main/java/net/sourceforge/pmd/cli/commands/internal/CpdGuiCommand.java
+++ b/pmd-cli/src/main/java/net/sourceforge/pmd/cli/commands/internal/CpdGuiCommand.java
@@ -15,6 +15,13 @@ public class CpdGuiCommand implements Runnable {
     @Override
     public void run() {
         new GUI();
+
+        // wait for the process to be killed by the GUI
+        try {
+            Thread.currentThread().join();
+        } catch (InterruptedException ignored) {
+            // noop
+        }
     }
 
 }