Add method for expanding the number of builtin directories.

source/main/org/freecompany/redline/payload/Contents.java

@@ -309,6 +309,16 @@ protected synchronized void addParents( final File file, final int permissions,
 		for ( String parent : parents) addDirectory( parent, permissions, null, uname, gname);
 	}
 
+	/**
+	 * Add additional directory that is assumed to already exist on system where the RPM will be installed
+	 * (e.g. /etc) and should not have an entry in the RPM.
+	 *
+	 * @param directory
+	 */
+	public synchronized static void addBuiltinDirectory( final String directory) {
+		builtin.add(directory);
+	}
+
 	/**
 	 * Retrieve the size of this archive in number of files. This count includes both directory entries and
 	 * soft links.

source/test/org/freecompany/redline/payload/ContentsTest.java

@@ -25,4 +25,15 @@ public void testListParentsBuiltin() throws Exception {
 		assertEquals( "/bin/one/two", list.get( 1));
 		assertEquals( "/bin/one", list.get( 2));
 	}
+
+	public void testListParentsNewBuiltin() throws Exception {
+		ArrayList< String> list = new ArrayList< String>();
+		Contents.addBuiltinDirectory("/home");
+		Contents.listParents( list, new File( "/home/one/two/three/four"));
+
+		assertEquals( 3, list.size());
+		assertEquals( "/home/one/two/three", list.get( 0));
+		assertEquals( "/home/one/two", list.get( 1));
+		assertEquals( "/home/one", list.get( 2));
+	}
 }