From 28df400b4148dcb9e9762f0518af569226fd6d51 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christoph=20L=C3=A4ubrich?= <laeubi@laeubi-soft.de>
Date: Thu, 2 Nov 2023 09:06:16 +0100
Subject: [PATCH] Deduplicate launch configs

The same launch config might be returned by multiple
LaunchShortcutExtension and is then shown twice.

This simply filter items that where already seen to deduplicate such
entries.

Fix https://github.com/eclipse-platform/eclipse.platform/issues/527
---
 .../eclipse/debug/ui/actions/ContextualLaunchAction.java   | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/debug/org.eclipse.debug.ui/ui/org/eclipse/debug/ui/actions/ContextualLaunchAction.java b/debug/org.eclipse.debug.ui/ui/org/eclipse/debug/ui/actions/ContextualLaunchAction.java
index 5b5df03bc26..681fd428759 100644
--- a/debug/org.eclipse.debug.ui/ui/org/eclipse/debug/ui/actions/ContextualLaunchAction.java
+++ b/debug/org.eclipse.debug.ui/ui/org/eclipse/debug/ui/actions/ContextualLaunchAction.java
@@ -15,11 +15,13 @@
 
 import java.util.ArrayList;
 import java.util.HashMap;
+import java.util.HashSet;
 import java.util.Iterator;
 import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
+import java.util.Set;
 
 import org.eclipse.core.expressions.Expression;
 import org.eclipse.core.expressions.IEvaluationContext;
@@ -280,9 +282,12 @@ protected void fillMenu(Menu menu) {
 			}
 		}
 		// now add collected launches
+		Set<ILaunchConfiguration> added = new HashSet<>();
 		for (Entry<LaunchShortcutExtension, ILaunchConfiguration[]> entry : launchConfigurations.entrySet()) {
 			for (ILaunchConfiguration configuration : entry.getValue()) {
-				populateMenuItem(fMode, entry.getKey(), menu, configuration, accelerator++, null);
+				if (added.add(configuration)) {
+					populateMenuItem(fMode, entry.getKey(), menu, configuration, accelerator++, null);
+				}
 			}
 		}