Update luarocks

pkgs/development/tools/misc/luarocks/default.nix

@@ -1,16 +1,16 @@
-{stdenv, fetchurl, lua, curl}:
+{stdenv, fetchurl, lua, curl, makeWrapper, which}:
 let
   s = # Generated upstream information
   rec {
     baseName="luarocks";
-    version="2.2";
+    version="2.2.0";
     name="${baseName}-${version}";
-    hash="03i46ayimp087288f0bi6g30fi3aixp2bha2jmsbbhwmsxm1yshs";
+    hash="1717p694455w1fdldb2ldlyklln8w3bqk1dsly8gpqh3n73lw6lv";
-    url="http://luarocks.org/releases/luarocks-2.2.0beta1.tar.gz";
+    url="http://luarocks.org/releases/luarocks-2.2.0-rc1.tar.gz";
-    sha256="03i46ayimp087288f0bi6g30fi3aixp2bha2jmsbbhwmsxm1yshs";
+    sha256="1717p694455w1fdldb2ldlyklln8w3bqk1dsly8gpqh3n73lw6lv";
   };
   buildInputs = [
-    lua curl
+    lua curl makeWrapper which
   ];
 in
 stdenv.mkDerivation {
@@ -19,6 +19,29 @@ stdenv.mkDerivation {
   src = fetchurl {
     inherit (s) url sha256;
   };
+  preConfigure = ''
+    lua -e "" || {
+        luajit -e "" && {
+	    export LUA_SUFFIX=jit
+	    configureFlags="$configureFlags --lua-suffix=$LUA_SUFFIX"
+	}
+    }
+    lua_inc="$(echo "${lua}/include"/*/)"
+    if test -n "$lua_inc"; then
+        configureFlags="$configureFlags --with-lua-include=$lua_inc"
+    fi
+  '';
+  postInstall = ''
+    sed -e "1s@.*@#! ${lua}/bin/lua$LUA_SUFFIX@" -i "$out"/bin/*
+    for i in "$out"/bin/*; do
+        test -L "$i" || {
+	    wrapProgram "$i" \
+	      --prefix LUA_PATH ";" "$(echo "$out"/share/lua/*/)?.lua" \
+	      --prefix LUA_PATH ";" "$(echo "$out"/share/lua/*/)?/init.lua" \
+
+	}
+    done
+  '';
   meta = {
     inherit (s) version;
     description = ''A package manager for Lua'';