move utils to their own file

lib/monkeypatch.js

@@ -0,0 +1,32 @@
+var async = require("async"),
+fs        = require("fs");
+
+module.exports = _monkeypatch;
+
+
+/**
+ */
+
+
+function _monkeypatch (filePath, monkeyPatched, processor, complete) {
+
+  async.waterfall([
+
+    function read (next) {
+      fs.readFile(filePath, "utf8", next);
+    },
+
+    // TODO - need to parse gyp file - this is a bit hacker
+    function monkeypatch (content, next) {
+
+      if (monkeyPatched(content)) return complete();
+
+      _log("monkey patch %s", filePath);
+      processor(content, next);
+    },
+
+    function write (content, next) {
+      fs.writeFile(filePath, content, "utf8", next);
+    }
+  ], complete);
+}