groovy: 2.4.3 -> 2.4.5 and wrap correctly

pkgs/development/interpreters/groovy/default.nix

···
-{ stdenv, fetchurl, unzip }:
+{ stdenv, fetchurl, unzip, which, makeWrapper, jdk }:
 
 # at runtime, need jdk
 
 stdenv.mkDerivation rec {
   name = "groovy-${version}";
-  version = "2.4.3";
+  version = "2.4.5";
 
   src = fetchurl {
-    url = "http://dl.bintray.com/groovy/maven/groovy-binary-${version}.zip";
-    sha256 = "1qfvw49fbw9svk4gsniw0g0ghal0dqm2hf1i77qmcf80lln1vhdh";
+    url = "http://dl.bintray.com/groovy/maven/apache-groovy-binary-${version}.zip";
+    sha256 = "1ajcrma18z0zr7h69bg4v2brxnxa4ljc9a55pk4q92vi3ypyks47";
   };
+
+  buildInputs = [ unzip makeWrapper ];
 
   installPhase = ''
     mkdir -p $out
     rm bin/*.bat
     mv * $out
+
+    sed -i 's#which#${which}/bin/which#g' $out/bin/startGroovy
+
+    for p in grape java2groovy groovy{,doc,c,sh,Console}; do
+      wrapProgram $out/bin/$p \
+            --set JAVA_HOME "${jdk}" \
+            --prefix PATH ":" "${jdk}/bin"
+    done
   '';
 
   phases = "unpackPhase installPhase";
-
-  buildInputs = [ unzip ];
 
   meta = with stdenv.lib; {
     description = "An agile dynamic language for the Java Platform";