libmwaw: refactor

pkgs/development/libraries/libmwaw/default.nix

···
-{lib, stdenv, fetchurl, boost, pkg-config, cppunit, zlib, libwpg, libwpd, librevenge}:
-let
-  s = # Generated upstream information
-  rec {
-    baseName="libmwaw";
-    version="0.3.21";
-    name="${baseName}-${version}";
-    hash="sha256-6HUBI6eNYblDzveLdzbIp/ILsKZJqhEkAhJPunlPwhw=";
-    url="mirror://sourceforge/libmwaw/libmwaw/libmwaw-0.3.21/libmwaw-0.3.21.tar.xz";
-    sha256="sha256-6HUBI6eNYblDzveLdzbIp/ILsKZJqhEkAhJPunlPwhw=";
+{ lib, stdenv, fetchurl, boost, pkg-config, cppunit, zlib, libwpg, libwpd, librevenge }:
+
+stdenv.mkDerivation rec {
+  pname = "libmwaw";
+  version = "0.3.21";
+
+  src = fetchurl {
+    url = "mirror://sourceforge/libmwaw/libmwaw/libmwaw-${version}/libmwaw-${version}.tar.xz";
+    sha256 = "sha256-6HUBI6eNYblDzveLdzbIp/ILsKZJqhEkAhJPunlPwhw=";
   };
 
   nativeBuildInputs = [ pkg-config ];
   buildInputs = [
-    boost cppunit zlib libwpg libwpd librevenge
+    boost
+    cppunit
+    zlib
+    libwpg
+    libwpd
+    librevenge
   ];
-in
-stdenv.mkDerivation {
-  inherit (s) name version;
-  inherit nativeBuildInputs buildInputs;
-  src = fetchurl {
-    inherit (s) url sha256;
-  };
   enableParallelBuilding = true;
-  meta = {
-    inherit (s) version;
+
+  meta = with lib; {
     description = "Import library for some old mac text documents";
-    license = lib.licenses.mpl20 ;
-    maintainers = [lib.maintainers.raskin];
-    platforms = lib.platforms.unix;
+    license = licenses.mpl20;
+    maintainers = with maintainers; [ raskin ];
+    platforms = platforms.unix;
   };
 }

pkgs/development/libraries/libmwaw/default.upstream

···
-url https://sourceforge.net/projects/libmwaw/files/libmwaw/
-SF_version_dir libmwaw-
-version_link '[.]tar.xz/download$'
-SF_redirect