From c339cbedff1e8417f0253a2a9c7fd48e0ade744f Mon Sep 17 00:00:00 2001
From: Hannes Wellmann <wellmann.hannes1@gmx.net>
Date: Fri, 2 Jul 2021 13:28:51 +0200
Subject: [PATCH] #166: Skip Tycho dependency-resolution for clean-only builds
 by default

Signed-off-by: Hannes Wellmann <wellmann.hannes1@gmx.net>
---
 .../core/maven/TychoMavenLifecycleParticipant.java     | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/tycho-core/src/main/java/org/eclipse/tycho/core/maven/TychoMavenLifecycleParticipant.java b/tycho-core/src/main/java/org/eclipse/tycho/core/maven/TychoMavenLifecycleParticipant.java
index f19a8a953d..6fd2910f48 100644
--- a/tycho-core/src/main/java/org/eclipse/tycho/core/maven/TychoMavenLifecycleParticipant.java
+++ b/tycho-core/src/main/java/org/eclipse/tycho/core/maven/TychoMavenLifecycleParticipant.java
@@ -236,13 +236,9 @@ private void validateUniqueBaseDirs(List<MavenProject> projects) throws MavenExe
 
     private boolean disableLifecycleParticipation(MavenSession session) {
         // command line property to disable Tycho lifecycle participant
-        if ("maven".equals(session.getUserProperties().get("tycho.mode"))) {
-            return true;
-        }
-        if (session.getUserProperties().containsKey("m2e.version")) {
-            return true;
-        }
-        return false;
+        return "maven".equals(session.getUserProperties().get("tycho.mode"))
+                || session.getUserProperties().containsKey("m2e.version")
+                || session.getGoals().equals(List.of("clean")); // disable for clean-only session
     }
 
     private void configureComponents(MavenSession session) {