アプリのフォルダを作成
> mkdir closure_app
Closure Library をダウンロード
> cd closure_app > svn checkout http://closure-library.googlecode.com/svn/trunk closure-library
> cd closure-library > svn update
scripts フォルダを作成する。
> mkdir scripts
Linux & Mac
$ python closure-library/closure/bin/build/depswriter.py --root_with_prefix="scripts ../../../scripts" --output_file=deps.js
Windows
> python closure-library\closure\bin\build\depswriter.py --root_with_prefix="scripts ../../../scripts" --output_file=deps.js