# This patch file was generated by NetBeans IDE
# Following Index: paths are relative to: /home/work/trunk-work/nb_all/core/startup/src/org/netbeans/core/startup/layers
# This patch can be applied using context Tools: Patch action on respective folder.
# It uses platform neutral UTF-8 encoding and \n newlines.
# Above lines and this line are ignored by the patching process.
Index: SystemFileSystem.java
--- /home/work/trunk-work/nb_all/core/startup/src/org/netbeans/core/startup/layers/SystemFileSystem.java Base (1.10)
+++ /home/work/trunk-work/nb_all/core/startup/src/org/netbeans/core/startup/layers/SystemFileSystem.java Locally Modified (Based On 1.10)
@@ -279,8 +279,22 @@
             user = l;
         } else {
             // use some replacement
+            String customFSClass = System.getProperty("org.netbeans.core.systemfilesystem.custom"); // NOI18N
+            if (customFSClass != null) {
+                try {
+                    Class clazz = Class.forName(customFSClass);
+                    Object instance = clazz.newInstance();
+                    user = (FileSystem)instance;
+                } catch (Exception x) {
+                    ModuleLayeredFileSystem.err.log(
+                        Level.WARNING,
+                        "Custom system file system writable layer init failed ", x); // NOI18N
             user = FileUtil.createMemoryFileSystem ();
         }
+            } else {
+                user = FileUtil.createMemoryFileSystem ();
+            }
+        }
 
         if (homeDir == null) {
             home = null;