1 files changed, 9 insertions, 29 deletions
diff --git a/nixpkgs/pkgs/development/coq-modules/InfSeqExt/default.nix b/nixpkgs/pkgs/development/coq-modules/InfSeqExt/default.nix
index 387e41859039..8236705b58f2 100644
--- a/nixpkgs/pkgs/development/coq-modules/InfSeqExt/default.nix
+++ b/nixpkgs/pkgs/development/coq-modules/InfSeqExt/default.nix
@@ -1,31 +1,11 @@
-{ stdenv, fetchFromGitHub, coq }:
-
-let param =
-  {
-      version = "20200131";
-      rev = "203d4c20211d6b17741f1fdca46dbc091f5e961a";
-      sha256 = "0xylkdmb2dqnnqinf3pigz4mf4zmczcbpjnn59g5g76m7f2cqxl0";
-  };
-in
-
-stdenv.mkDerivation {
-  name = "coq${coq.coq-version}-InfSeqExt-${param.version}";
-
-  src = fetchFromGitHub {
-    owner = "DistributedComponents";
-    repo = "InfSeqExt";
-    inherit (param) rev sha256;
-  };
-
-  buildInputs = [ coq ];
-
-  enableParallelBuilding = true;
-
+{ lib, mkCoqDerivation, coq, version ? null }:
+
+mkCoqDerivation {
+  pname = "InfSeqExt";
+  owner = "DistributedComponents";
+  inherit version;
+  defaultVersion = if lib.versions.isGe "8.5" coq.coq-version then "20200131" else null;
+  release."20200131".rev    = "203d4c20211d6b17741f1fdca46dbc091f5e961a";
+  release."20200131".sha256 = "0xylkdmb2dqnnqinf3pigz4mf4zmczcbpjnn59g5g76m7f2cqxl0";
   preConfigure = "patchShebangs ./configure";
-
-  installFlags = [ "COQLIB=$(out)/lib/coq/${coq.coq-version}/" ];
-
-  passthru = {
-    compatibleCoqVersions = v: builtins.elem v [ "8.5" "8.6" "8.7" "8.8" "8.9" "8.10" "8.11" "8.12" ];
- };
 }