Tree.ignorePattern

extensions/tree/tree-pane.coffee

@@ -58,6 +58,7 @@ class TreePane extends Pane
 
     list = $('<ul>')
     for path in paths
+      continue if @tree.ignorePattern.test path
       filename = path.replace(root, "").substring 1
       type = if fs.isDirectory path then 'dir' else 'file'
       encodedPath = encodeURIComponent path

extensions/tree/tree.coffee

@@ -11,6 +11,8 @@ fs = require 'fs'
 
 module.exports =
 class Tree extends Extension
+  ignorePattern: /\.git|\.xcodeproj|\.DS_Store/
+
   constructor: ->
     KeyBinder.register "tree", @
     KeyBinder.load require.resolve "tree/key-bindings.coffee"