Fix rpm resolutions in bwc

Author: breskeby

build-tools/src/main/java/org/elasticsearch/gradle/DistributionDownloadPlugin.java

@@ -166,9 +166,7 @@ private static String dependencyNotation(ElasticsearchDistribution distribution)
         var extension = distribution.getType().getExtension(distribution.getPlatform());
         var classifier = distribution.getType().getClassifier(distribution.getPlatform(), distroVersion);
         var group = distribution.getVersion().endsWith("-SNAPSHOT") ? FAKE_SNAPSHOT_IVY_GROUP : FAKE_IVY_GROUP;
-        var definition = group + ":elasticsearch" + ":" + distribution.getVersion() + classifier + "@" + extension;
-
-        return definition;
+        return group + ":elasticsearch" + ":" + distribution.getVersion() + classifier + "@" + extension;
     }
 
     private void setupResolutionsContainer(Project project) {

build-tools/src/main/java/org/elasticsearch/gradle/ElasticsearchDistributionType.java

@@ -9,6 +9,8 @@
 
 package org.elasticsearch.gradle;
 
+import org.elasticsearch.gradle.Architecture;
+
 public interface ElasticsearchDistributionType {
 
     String getName();
@@ -26,6 +28,8 @@ default String getExtension(ElasticsearchDistribution.Platform platform) {
     }
 
     default String getClassifier(ElasticsearchDistribution.Platform platform, Version version) {
-        return ":" + Architecture.current().classifier;
+        return version.onOrAfter("9.2.0")
+            ? ":" + platform + "-" + Architecture.current().classifier
+            : ":" + Architecture.current().bwcClassifier;
     }
 }