elpi: 1.4.1 -> 1.6.0, and coq-elpi

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

@@ -0,0 +1,38 @@
+{ stdenv, fetchFromGitHub, which, coq }:
+
+let params = {
+  "8.10" = {
+    version = "master";
+    rev = "bc7134deba1aacc7ecd2f5d1032bdf05b125c568";
+    sha256 = "188avk9irwjsbs5ya4ka01mpk3vw4397kv2rmsncqrrrsa1pdddk";
+  };
+};
+  param = params."${coq.coq-version}";
+in
+
+stdenv.mkDerivation rec {
+  name = "coq${coq.coq-version}-elpi-${param.version}";
+
+  src = fetchFromGitHub {
+    owner = "LPCIC";
+    repo = "coq-elpi";
+    inherit (param) rev sha256;
+  };
+
+  nativeBuildInputs = [ which ];
+  buildInputs = [ coq coq.ocaml ] ++ (with coq.ocamlPackages; [ findlib elpi ]);
+
+  installFlags = "COQLIB=$(out)/lib/coq/${coq.coq-version}/";
+
+  meta = {
+    description = "Coq plugin embedding ELPI.";
+    maintainers = [ stdenv.lib.maintainers.cohencyril ];
+    license = stdenv.lib.licenses.lgpl21;
+    inherit (coq.meta) platforms;
+    inherit (src.meta) homepage;
+  };
+
+  passthru = {
+    compatibleCoqVersions = stdenv.lib.flip builtins.hasAttr params;
+  };
+}