require 'formula' class MPlayerPresented < Requirement fatal true default_formula 'mplayer' satisfy { which('mplayer') || which('mplayer2') } def message; <<-EOS.undent MPlayerShell requires mplayer or mplayer2 to be installed. You can use either brew install mplayer or brew tap pigoz/mplayer2 brew install mplayer2 EOS end end class Mplayershell < Formula homepage 'https://github.com/donmelton/MPlayerShell' url 'https://github.com/donmelton/MPlayerShell/archive/0.9.1.tar.gz' sha1 'fe009b774eca8e8a8e3030a49cdd463f5b368b27' head 'https://github.com/donmelton/MPlayerShell.git' depends_on MPlayerPresented depends_on :macos => :lion depends_on :xcode def install system "xcodebuild", "-project", "MPlayerShell.xcodeproj", "-target", "mps", "-configuration", "Release", "clean", "build", "SYMROOT=build", "DSTROOT=build" bin.install "build/Release/mps" man1.install "Source/mps.1" end test do system "#{bin}/mps" end end