From ee76f917e8a92f8e49db6043ef16a45cfea362ad Mon Sep 17 00:00:00 2001
From: Riliane <alishka21@gmail.com>
Date: Tue, 31 May 2022 12:12:05 +0300
Subject: [PATCH] JENKINS-68639 Check whether an icon path already contains the
 context path before appending the context path to it

---
 core/src/main/java/hudson/Functions.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/core/src/main/java/hudson/Functions.java b/core/src/main/java/hudson/Functions.java
index a67bf746c3..5033bb5b4b 100644
--- a/core/src/main/java/hudson/Functions.java
+++ b/core/src/main/java/hudson/Functions.java
@@ -2377,7 +2377,9 @@ public class Functions {
             if (!iconGuess.startsWith("/")) {
                 iconGuess = "/" + iconGuess;
             }
-            iconSource = rootURL + (iconGuess.startsWith("/images/") || iconGuess.startsWith("/plugin/") ? getResourcePath() : "") + iconGuess;
+            iconSource = iconGuess.startsWith(rootURL) ? "" : rootURL;
+            iconSource += (iconGuess.startsWith("/images/") || iconGuess.startsWith("/plugin/") ? getResourcePath() :
+                           "") + iconGuess;
         }
 
         if (iconMetadata != null && iconMetadata.getClassSpec() != null) {