From 734a0e8339608b49c8a0bff85e7ac302bbb0f1f2 Mon Sep 17 00:00:00 2001
From: Foivos Zakkak <zakkak@ibm.com>
Date: Tue, 3 Feb 2026 13:35:29 +0200
Subject: [PATCH] Add support for custom Maven repository URLs

---
 src/mx/_impl/mx.py       |  5 +----
 src/mx/_impl/mx_maven.py | 21 ++++++++++++++++++++-
 2 files changed, 21 insertions(+), 5 deletions(-)

diff --git a/src/mx/_impl/mx.py b/src/mx/_impl/mx.py
index 8772f2793..815c591cb 100755
--- a/src/mx/_impl/mx.py
+++ b/src/mx/_impl/mx.py
@@ -828,6 +828,7 @@ def format_help(self):
   MX_CACHE_DIR          Override the default location of the mx download cache. Defaults to `~/.mx/cache`.
   MX_GLOBAL_ENV         Override the default location of the global env file that is always loaded at startup.
                         Defaults to `~/.mx/env`. Can be disabled by setting it to an empty string.
+  MX_MAVEN_REPO_URLS    Comma-separated list of Maven repository base URLs. Defaults to Maven Central repositories.
   MX_GIT_CACHE          Use a cache for git objects during clones.
                          * Setting it to `reference` will clone repositories using the cache and let them
                            reference the cache (if the cache gets deleted these repositories will be
@@ -4566,10 +4567,6 @@ def _zipfile_exit(self, t, value, traceback):
 _distTemplates = {}
 _licenses = {}
 _repositories = {}
-_mavenRepoBaseURLs = [
-    "https://repo1.maven.org/maven2/",
-    "https://search.maven.org/remotecontent?filepath="
-]
 
 """
 Map of the environment variables loaded by parsing the suites.
diff --git a/src/mx/_impl/mx_maven.py b/src/mx/_impl/mx_maven.py
index a3e96bda7..39c07490c 100644
--- a/src/mx/_impl/mx_maven.py
+++ b/src/mx/_impl/mx_maven.py
@@ -283,10 +283,29 @@ def resolveLicenses(self):
 
     return _maven_local_repository
 
+_resolved_maven_repo_base_urls = False
+def _get_maven_repo_base_urls():
+    """
+    Gets the Maven repository base URLs from the MX_MAVEN_REPO_URLS environment variable.
+    If not set, returns the default Maven Central repositories.
+    The environment variable should contain a comma-separated list of URLs.
+    """
+    default_urls = [
+        "https://repo1.maven.org/maven2/",
+        "https://search.maven.org/remotecontent?filepath="
+    ]
+    global _resolved_maven_repo_base_urls
+    if _resolved_maven_repo_base_urls is False:
+        urls = mx.get_env('MX_MAVEN_REPO_URLS')
+        if urls:
+            _resolved_maven_repo_base_urls = urls.split(',')
+        else:
+            _resolved_maven_repo_base_urls = default_urls
+    return _resolved_maven_repo_base_urls
 
 def maven_download_urls(groupId, artifactId, version, classifier=None, baseURL=None):
     if baseURL is None:
-        baseURLs = mx._mavenRepoBaseURLs
+        baseURLs = _get_maven_repo_base_urls()
     else:
         baseURLs = [baseURL]
     classifier = f'-{classifier}' if classifier else ''