coqPackages: refactor

pkgs/development/coq-modules/HoTT/default.nix

@@ -1,18 +1,14 @@
-{ stdenv, fetchFromGitHub, autoconf, automake, coq }:
+{ lib, mkCoqDerivation, autoconf, automake, coq, version ? null }:
 
-stdenv.mkDerivation rec {
-  name = "coq${coq.coq-version}-HoTT-${version}";
-  version = "20170921";
+with lib; mkCoqDerivation {
+  pname = "HoTT";
+  owner = "HoTT";
+  inherit version;
+  defaultVersion = if coq.coq-version == "8.6" then "20170921" else null;
+  release."20170921".rev    = "e3557740a699167e6adb1a65855509d55a392fa1";
+  release."20170921".sha256 = "0zwfp8g62b50vmmbb2kmskj3v6w7qx1pbf43yw0hr7asdz2zbx5v";
 
-  src = fetchFromGitHub {
-    owner = "HoTT";
-    repo = "HoTT";
-    rev = "e3557740a699167e6adb1a65855509d55a392fa1";
-    sha256 = "0zwfp8g62b50vmmbb2kmskj3v6w7qx1pbf43yw0hr7asdz2zbx5v";
-  };
-
-  buildInputs = [ autoconf automake coq ];
-  enableParallelBuilding = true;
+  extraBuildInputs = [ autoconf automake ];
 
   preConfigure = ''
     patchShebangs ./autogen.sh
@@ -44,18 +40,9 @@ stdenv.mkDerivation rec {
     rmdir $out/share
   '';
 
-  installFlags = [
-    "COQBIN=${coq}/bin"
-  ];
-
-  meta = with stdenv.lib; {
+  meta = {
     homepage = "http://homotopytypetheory.org/";
     description = "Homotopy type theory";
     maintainers = with maintainers; [ siddharthist ];
-    platforms = coq.meta.platforms;
-  };
-
-  passthru = {
-    compatibleCoqVersions = v: v == "8.6";
   };
 }