#380: make cache-pattern more similar to default pattern.

This should keep the existing cache valid and re-usable.
Otherwise, we would create a new cache structure within the existing cache, with redundant entries.
With this change, we limit the redundancy to arch- or classifier-specific entries.

build/ivysettings.xml

@@ -22,17 +22,17 @@ SPDX-License-Identifier: Apache-2.0
         <!-- Resolver for downloading dependencies -->
         <url name="Sosy-Lab" descriptor="required">
             <ivy pattern="${ivy.repo.url}/[organisation]/[module]/ivy-[revision].xml" />
-            <artifact
-                    pattern="${ivy.repo.url}/[organisation]/[module]/([arch]/)[artifact]-[revision](-[classifier]).[ext]" />
+            <artifact pattern="${ivy.repo.url}/[organisation]/[module]/([arch]/)[artifact]-[revision](-[classifier]).[ext]" />
         </url>
 
         <!-- Resolver for publishing this project -->
         <filesystem name="Sosy-Lab-Publish">
             <ivy pattern="${repo.dir}/[organisation]/[module]/ivy-[revision].xml" />
-            <artifact
-                    pattern="${repo.dir}/[organisation]/[module]/([arch]/)[artifact]-[revision](-[classifier]).[ext]" />
+            <artifact pattern="${repo.dir}/[organisation]/[module]/([arch]/)[artifact]-[revision](-[classifier]).[ext]" />
         </filesystem>
     </resolvers>
+
+    <!-- override default cache pattern [organisation]/[module]/[type]s/[artifact]-[revision].[ext] -->
     <caches defaultCacheDir="${ivy.cache.dir}"
-            artifactPattern="[organisation]/[module]/[revision]/[type]s/([arch]/)[artifact](-[classifier]).[ext]"/>
+            artifactPattern="[organisation]/[module]/[type]s/([arch]/)[artifact]-[revision](-[classifier]).[ext]"/>
 </ivysettings>