utils/ruby.sh: avoid nested ifs
utils/ruby.sh: avoid nested ifs

vitorgalvao/brew,Homebrew/brew,konqui/brew,Homebrew/brew,reitermarkus/brew,MikeMcQuaid/brew,reitermarkus/brew,reitermarkus/brew,reitermarkus/brew,JCount/brew,vitorgalvao/brew,sjackman/homebrew,vitorgalvao/brew,konqui/brew,mahori/brew,claui/brew,Homebrew/brew,konqui/brew,nandub/brew,EricFromCanada/brew,EricFromCanada/brew,JCount/brew,claui/brew,nandub/brew,claui/brew,JCount/brew,EricFromCanada/brew,mahori/brew,claui/brew,mahori/brew,konqui/brew,vitorgalvao/brew,Homebrew/brew,MikeMcQuaid/brew,mahori/brew,MikeMcQuaid/brew,MikeMcQuaid/brew,sjackman/homebrew,nandub/brew,EricFromCanada/brew,JCount/brew,sjackman/homebrew,nandub/brew,sjackman/homebrew