From 4442ba7c5bc920d3596254d1147b8fb5ae979613 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Herv=C3=A9=20Boutemy?= <hboutemy@apache.org>
Date: Fri, 7 Aug 2026 19:55:33 +0100
Subject: [PATCH] fix wget command with double slash

---
 .../apache/maven/plugins/artifact/buildinfo/CompareMojo.java  | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/main/java/org/apache/maven/plugins/artifact/buildinfo/CompareMojo.java b/src/main/java/org/apache/maven/plugins/artifact/buildinfo/CompareMojo.java
index 9c5ca01..264af0e 100644
--- a/src/main/java/org/apache/maven/plugins/artifact/buildinfo/CompareMojo.java
+++ b/src/main/java/org/apache/maven/plugins/artifact/buildinfo/CompareMojo.java
@@ -316,7 +316,9 @@ private String diffoscope(Artifact a, File referenceDir) throws MojoExecutionExc
         }
         if (!reference.exists()) {
             RemoteRepository repo = createReferenceRepo();
-            String url = repo.getUrl() + "/"
+            String baseUrl = repo.getUrl();
+            String url = baseUrl
+                    + (baseUrl.endsWith("/") ? "" : "/")
                     + session.getRepositorySession()
                             .getLocalRepositoryManager()
                             .getPathForRemoteArtifact(a, repo, null);