galen init at 2.2.1

pkgs/development/tools/galen/default.nix

@@ -0,0 +1,35 @@
+{ stdenv, fetchurl, jdk, unzip }:
+
+stdenv.mkDerivation rec {
+  pname = "galen";
+  version = "2.2.1";
+  name = "${pname}-${version}";
+
+  inherit jdk;
+
+  src = fetchurl {
+    url = "https://github.com/galenframework/galen/releases/download/galen-2.2.1/galen-bin-${version}.zip";
+    sha256 = "0zwrh3bxcgkwip6z9lvy3hn53kfr99cdij64c57ff8d95xilclhb";
+  };
+
+  buildInputs = [ unzip ];
+  phases = [ "unpackPhase" "buildPhase" "installPhase" ];
+
+  buildPhase = ''
+  mkdir -p $out/bin
+  '';
+
+  installPhase = ''
+  cat galen | sed -e "s,java,$jdk/bin/java," > $out/bin/galen
+  chmod +x $out/bin/galen
+  cp galen.jar $out/bin
+  '';
+
+  meta = with stdenv.lib; {
+    homepage = http://galenframework.com;
+    description = "Automated layout testing for websites";
+    license = licenses.asl20;
+    maintainers = [ ];
+    platforms = platforms.linux ++ platforms.darwin;
+  };
+}