coqPackages: refactor

pkgs/development/coq-modules/fiat/HEAD.nix

@@ -1,17 +1,17 @@
-{stdenv, fetchgit, coq, python27}:
+{lib, mkCoqDerivation, coq, python27, version ? null }:
 
-stdenv.mkDerivation rec {
+with lib; mkCoqDerivation rec {
+  pname = "fiat";
+  owner = "mit-plv";
+  repo = "fiat";
+  displayVersion = { fiat = v: "unstable-${v}"; };
+  inherit version;
+  defaultVersion = if coq.coq-version == "8.5" then "2016-10-24" else null;
+  release."2016-10-24".rev    = "7feb6c64be9ebcc05924ec58fe1463e73ec8206a";
+  release."2016-10-24".sha256 = "0griqc675yylf9rvadlfsabz41qy5f5idya30p5rv6ysiakxya64";
 
-  name = "coq-fiat-${coq.coq-version}-unstable-${version}";
-  version = "2016-10-24";
-
-  src = fetchgit {
-    url = "https://github.com/mit-plv/fiat.git";
-    rev = "7feb6c64be9ebcc05924ec58fe1463e73ec8206a";
-    sha256 = "0griqc675yylf9rvadlfsabz41qy5f5idya30p5rv6ysiakxya64";
-  };
-
-  buildInputs = [ coq python27 ] ++ (with coq.ocamlPackages; [ ocaml camlp5 ]);
+  mlPlugin = true;
+  extraBuildInputs = [ python27 ];
 
   prePatch = "patchShebangs etc/coq-scripts";
 
@@ -26,14 +26,9 @@ stdenv.mkDerivation rec {
     cp -pR src/* $COQLIB/user-contrib/Fiat
   '';
 
-  meta = with stdenv.lib; {
+  meta = {
     homepage = "http://plv.csail.mit.edu/fiat/";
     description = "A library for the Coq proof assistant for synthesizing efficient correct-by-construction programs from declarative specifications";
     maintainers = with maintainers; [ jwiegley ];
-    platforms = coq.meta.platforms;
-  };
-
-  passthru = {
-    compatibleCoqVersions = v: v == "8.5";
   };
 }