Use util method for safeName in build finished hook

build-tools-internal/src/main/groovy/elasticsearch.build-scan.gradle

@@ -12,6 +12,7 @@ import java.time.LocalDateTime;
 
 import org.elasticsearch.gradle.Architecture
 import org.elasticsearch.gradle.OS
+import static org.elasticsearch.gradle.internal.util.CiUtils.safeName
 
 import java.lang.management.ManagementFactory
 import java.time.LocalDateTime
@@ -46,7 +47,6 @@ develocity {
       }
 
       if (onCI) { //Buildkite-specific build scan metadata
-        def safeName = { String s -> s.replaceAll(/[^a-zA-Z0-9_\-\.]+/, ' ').trim().replaceAll(' ', '_') }
         String buildKiteUrl = System.getenv('BUILDKITE_BUILD_URL')
         def branch = System.getenv('BUILDKITE_PULL_REQUEST_BASE_BRANCH') ?: System.getenv('BUILDKITE_BRANCH')
         def repoMatcher = System.getenv('BUILDKITE_REPO') =~ /(https:\/\/github\.com\/|git@github\.com:)(\S+)\.git/

build-tools-internal/src/main/java/org/elasticsearch/gradle/internal/util/CiUtils.java

@@ -0,0 +1,18 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the "Elastic License
+ * 2.0", the "GNU Affero General Public License v3.0 only", and the "Server Side
+ * Public License v 1"; you may not use this file except in compliance with, at
+ * your election, the "Elastic License 2.0", the "GNU Affero General Public
+ * License v3.0 only", or the "Server Side Public License, v 1".
+ */
+
+package org.elasticsearch.gradle.internal.util;
+
+public class CiUtils {
+
+    static String safeName(String input) {
+        return input.replaceAll("[^a-zA-Z0-9_\\-\\.]+", " ").trim().replaceAll(" ", "_").toLowerCase();
+    }
+
+}