--- a/subversion/src/META-INF/services/org.netbeans.modules.versioning.spi.VersioningSystem	Thu Jun 05 09:46:44 2008 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,1 +0,0 @@ 
-org.netbeans.modules.subversion.SubversionVCS
--- a/subversion/src/org/netbeans/modules/subversion/resources/svn-layer.xml	Thu Jun 05 09:46:44 2008 +0200
+++ a/subversion/src/org/netbeans/modules/subversion/resources/svn-layer.xml	Thu Jun 05 11:29:44 2008 +0200
@@ -44,6 +44,14 @@ made subject to such option by the copyr
 <!DOCTYPE filesystem PUBLIC "-//NetBeans//DTD Filesystem 1.1//EN" "http://www.netbeans.org/dtds/filesystem-1_1.dtd">
 <filesystem>
 
+    <folder name="Services">
+        <file name="org-netbeans-modules-subversion-SubversionVCS.instance">
+            <attr name="instanceCreate" methodvalue="org.netbeans.modules.versioning.spi.VersioningSystem.create"/>
+            <attr name="path" stringvalue="[\._]svn"/>
+            <attr name="real" stringvalue="org.netbeans.modules.subversion.SubversionVCS"/>
+        </file>
+    </folder>
+    
     <folder name="Actions">
         <folder name="Subversion">
             <file name="org-netbeans-modules-subversion-ui-status-OpenVersioningAction.instance">
--- a/versioning/src/org/netbeans/modules/versioning/spi/VersioningSystem.java	Thu Jun 05 09:46:44 2008 +0200
+++ a/versioning/src/org/netbeans/modules/versioning/spi/VersioningSystem.java	Thu Jun 05 11:29:44 2008 +0200
@@ -99,6 +99,47 @@ public abstract class VersioningSystem {
      * Protected constructor, does nothing.   
      */
     protected VersioningSystem() {
+    }
+    
+    static VersioningSystem create(Map map) {
+        String name = (String)map.get("real");
+        String path = (String)map.get("path");
+        
+        return null;
+    }
+    public static VersioningSystem create(final Class<? extends VersioningSystem> real, final String path) {
+        return new VersioningSystem() {
+            VersioningSystem instance;
+
+            @Override
+            public void getOriginalFile(File workingCopy, File originalFile) {
+                super.getOriginalFile(workingCopy, originalFile);
+            }
+
+            @Override
+            public File getTopmostManagedAncestor(File file) {
+                for (;;) {
+                    if (new File(file, path).exists()) {
+                        return file;
+                    }
+                    file = file.getParentFile();
+                }
+            }
+
+            @Override
+            public VCSAnnotator getVCSAnnotator() {
+                if (instance == null) {
+                    instance = real.newInstance();
+                }
+                return instance.getVCSAnnotator();
+            }
+
+            @Override
+            public VCSInterceptor getVCSInterceptor() {
+                return super.getVCSInterceptor();
+            }
+            
+        };
     }
 
     /**