coqPackages: refactor

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

@@ -1,17 +1,10 @@
-{ stdenv, fetchFromGitHub, coq, bignums, math-classes }:
+{ lib, mkCoqDerivation, coq, bignums, math-classes, version ? null }:
 
-stdenv.mkDerivation rec {
+with lib; mkCoqDerivation rec {
   pname = "corn";
-  version = "8.8.1";
-  name = "coq${coq.coq-version}-${pname}-${version}";
-  src = fetchFromGitHub {
-    owner = "coq-community";
-    repo = pname;
-    rev = version;
-    sha256 = "0gh32j0f18vv5lmf6nb87nr5450w6ai06rhrnvlx2wwi79gv10wp";
-  };
-
-  buildInputs = [ coq ];
+  inherit version;
+  defaultVersion = if versions.range "8.6" "8.9" coq.coq-version then "8.8.1" else null;
+  release."8.8.1".sha256 = "0gh32j0f18vv5lmf6nb87nr5450w6ai06rhrnvlx2wwi79gv10wp";
 
   preConfigure = "patchShebangs ./configure.sh";
   configureScript = "./configure.sh";
@@ -19,20 +12,10 @@ stdenv.mkDerivation rec {
 
   propagatedBuildInputs = [ bignums math-classes ];
 
-  enableParallelBuilding = true;
-
-  installFlags = [ "COQLIB=$(out)/lib/coq/${coq.coq-version}/" ];
-
   meta = {
     homepage = "http://c-corn.github.io/";
-    license = stdenv.lib.licenses.gpl2;
+    license = licenses.gpl2;
     description = "A Coq library for constructive analysis";
-    maintainers = [ stdenv.lib.maintainers.vbgl ];
-    inherit (coq.meta) platforms;
+    maintainers = [ maintainers.vbgl ];
   };
-
-  passthru = {
-    compatibleCoqVersions = v: builtins.elem v [ "8.6" "8.7" "8.8" "8.9" ];
-  };
-
 }