Adding the sha 256 sum
@ -2,6 +2,6 @@ class FirefoxNightly < Cask
url 'http://ftp.mozilla.org/pub/mozilla.org/firefox/nightly/latest-trunk/firefox-31.0a1.en-US.mac.dmg'
homepage 'http://nightly.mozilla.org/'
version '31.0a1'
no_checksum
sha256 '1b252bb1c0f0fae1a8976395b6481534657ffbc05d91f111779755f55ec9e656'
link 'FirefoxNightly.app'
end