{stdenv, fetchurl, jre} : stdenv.mkDerivation rec { name = "jflex-1.7.0"; src = fetchurl { url = "http://jflex.de/release/${name}.tar.gz"; sha256 = "1k7bqw1mn569g9dxc0ia3yz1bzgzs5w52lh1xn3hgj7k5ymh54kk"; }; sourceRoot = name; installPhase = '' runHook preInstall mkdir -p $out cp -a * $out rm -f $out/bin/jflex.bat patchShebangs $out sed -i -e '/^JAVA=java/ s#java#${jre}/bin/java#' $out/bin/jflex runHook postInstall ''; doInstallCheck = true; installCheckPhase = '' runHook preInstallCheck $out/bin/jflex --version runHook postInstallCheck ''; meta = { homepage = http://www.jflex.de/; description = "Lexical analyzer generator for Java, written in Java"; license = stdenv.lib.licenses.bsd3; platforms = stdenv.lib.platforms.unix; }; }