ratmen: refactor

pkgs/tools/X11/ratmen/default.nix

@@ -1,35 +1,26 @@
-{lib, stdenv, fetchurl, perl, xorgproto, libX11}:
-let
-  s = # Generated upstream information
-  rec {
-    baseName="ratmen";
-    version="2.2.3";
-    name="${baseName}-${version}";
-    hash="0gnfqhnch9x8jhr87gvdjcp1wsqhchfjilpnqcwx5j0nlqyz6wi6";
-    url="http://www.update.uu.se/~zrajm/programs/ratmen/ratmen-2.2.3.tar.gz";
-    sha256="0gnfqhnch9x8jhr87gvdjcp1wsqhchfjilpnqcwx5j0nlqyz6wi6";
+{ lib, stdenv, fetchurl, perl, xorgproto, libX11 }:
+
+stdenv.mkDerivation rec {
+  pname = "ratmen";
+  version = "2.2.3";
+  src = fetchurl {
+    url = "http://www.update.uu.se/~zrajm/programs/ratmen/ratmen-${version}.tar.gz";
+    sha256 = "0gnfqhnch9x8jhr87gvdjcp1wsqhchfjilpnqcwx5j0nlqyz6wi6";
   };
   buildInputs = [
-    perl xorgproto libX11
+    perl
+    xorgproto
+    libX11
   ];
-in
-stdenv.mkDerivation {
-  inherit (s) name version;
-  inherit buildInputs;
-  src = fetchurl {
-    inherit (s) url sha256;
-  };
   makeFlags = [
     "PREFIX=$(out)"
   ];
-  meta = {
-    inherit (s) version;
+  meta = with lib; {
     description = "A minimalistic X11 menu creator";
-    license = lib.licenses.free ; # 9menu derivative with 9menu license
-    maintainers = [lib.maintainers.raskin];
-    platforms = lib.platforms.linux;
+    license = licenses.free; # 9menu derivative with 9menu license
+    maintainers = with maintainers; [ raskin ];
+    platforms = platforms.linux;
     homepage = "http://www.update.uu.se/~zrajm/programs/";
     downloadPage = "http://www.update.uu.se/~zrajm/programs/ratmen/";
-    updateWalker = true;
   };
 }