Rather than forcing a rebuild of our tileset and component bundles every time when we're deploying to a directory bundle, decide based on the oldest modification time stamp of any file within the directory. Otherwise, these builds get crazy long.

git-svn-id: svn+ssh://src.earth.threerings.net/nenya/trunk@347 ed5b42cb-e716-0410-a449-f6a68f950b19

src/java/com/threerings/media/tile/bundle/tools/DirectoryTileSetBundler.java

@@ -36,6 +36,7 @@ import javax.imageio.ImageIO;
 import org.apache.commons.io.IOUtils;
 
 import com.threerings.media.Log;
+import com.threerings.util.FileUtil;
 import com.threerings.media.tile.ImageProvider;
 import com.threerings.media.tile.ObjectTileSet;
 import com.threerings.media.tile.TileSet;
@@ -155,9 +156,9 @@ public class DirectoryTileSetBundler extends TileSetBundler
     }
 
     @Override // documentation inherited
-    protected boolean maySkipIfNewer ()
+    protected long getTgtModificationDate (File target)
     {
-        // Can't skip since we're copying individual files.
-        return false;
+        // Return the oldest modification date of anything within the directory.
+        return FileUtil.getOldestLastModified(target);
     }
 }

src/java/com/threerings/media/tile/bundle/tools/TileSetBundler.java

@@ -310,7 +310,7 @@ public class TileSetBundler
         }
 
         // see if our newest file is newer than the tileset bundle
-        if (newest < target.lastModified() && maySkipIfNewer()) {
+        if (newest < getTgtModificationDate(target)) {
             return false;
         }
 
@@ -325,14 +325,6 @@ public class TileSetBundler
         return createBundle(target, bundle, improv, bundleDesc.getParent());
     }
 
-    /**
-     * Whether we're allowed to skip creation of the bundle if we're not out of date.
-     */
-    protected boolean maySkipIfNewer ()
-    {
-        return true;
-    }
-
     /**
      * Finish the creation of a tileset bundle jar file.
      *
@@ -462,6 +454,14 @@ public class TileSetBundler
         }
     }
 
+    /**
+     * Returns the last modified date of <code>target</code> to be compared for out-of-dateness.
+     */
+    protected long getTgtModificationDate (File target)
+    {
+        return target.lastModified();
+    }
+
     /** Replaces the image suffix with <code>.raw</code>. */
     protected static String adjustImagePath (String imagePath)
     {