class Pencil < Cask url 'http://evoluspencil.googlecode.com/files/Pencil-2.0.3-1-mac.tar.bz2' homepage 'http://pencil.evolus.vn' version '2.0.3' sha1 'cb1951ab2e9e6f155af52f425371ee74a9bb1981' link :app, 'Pencil.app' end