From 9ffd16b3850536094ca36bc31520bb15a6d5a9ef Mon Sep 17 00:00:00 2001
From: Cyril Cohen <cohen@crans.org>
Date: Fri, 28 Aug 2020 23:05:46 +0200
Subject: coqPackages: refactor

---
 pkgs/development/coq-modules/coq-elpi/default.nix | 60 ++++++++++-------------
 1 file changed, 25 insertions(+), 35 deletions(-)

(limited to 'pkgs/development/coq-modules/coq-elpi/default.nix')

diff --git a/pkgs/development/coq-modules/coq-elpi/default.nix b/pkgs/development/coq-modules/coq-elpi/default.nix
index 230320671a7..18dbeaea201 100644
--- a/pkgs/development/coq-modules/coq-elpi/default.nix
+++ b/pkgs/development/coq-modules/coq-elpi/default.nix
@@ -1,43 +1,33 @@
-{ stdenv, fetchFromGitHub, which, coq }:
+{ lib, mkCoqDerivation, which, coq, version ? null }:
 
-let params = {
-  "8.11" = rec {
-    version = "1.6.0_8.11";
-    rev = "v${version}";
-    sha256 = "0ahxjnzmd7kl3gl38kyjqzkfgllncr2ybnw8bvgrc6iddgga7bpq";
-  };
-  "8.12" = rec {
-    version = "1.6.0";
-    rev = "v${version}";
-    sha256 = "0kf99i43mlf750fr7fric764mm495a53mg5kahnbp6zcjcxxrm0b";
-  };
-};
-  param = params.${coq.coq-version};
-in
-
-stdenv.mkDerivation rec {
-  name = "coq${coq.coq-version}-elpi-${param.version}";
-
-  src = fetchFromGitHub {
-    owner = "LPCIC";
-    repo = "coq-elpi";
-    inherit (param) rev sha256;
-  };
+with builtins; with lib; let
+  elpi = coq.ocamlPackages.elpi.override (
+    optionalAttrs (coq.coq-version == "8.11") { version = "1.11.4"; }
+  );
+in mkCoqDerivation {
+  pname = "elpi";
+  repo  = "coq-elpi";
+  owner = "LPCIC";
+  inherit version;
+  defaultVersion = lib.switch coq.coq-version [
+    { case = "8.13"; out = "1.8.1"; }
+    { case = "8.12"; out = "1.8.0"; }
+    { case = "8.11"; out = "1.6.0_8.11"; }
+  ] null;
+  release."1.8.1".sha256      = "1fbbdccdmr8g4wwpihzp4r2xacynjznf817lhijw6kqfav75zd0r";
+  release."1.8.0".sha256      = "13ywjg94zkbki22hx7s4gfm9rr87r4ghsgan23xyl3l9z8q0idd1";
+  release."1.7.0".sha256      = "1ws5cqr0xawv69prgygbl3q6dgglbaw0vc397h9flh90kxaqgyh8";
+  release."1.6.0_8.11".sha256 = "0ahxjnzmd7kl3gl38kyjqzkfgllncr2ybnw8bvgrc6iddgga7bpq";
+  release."1.6.0".sha256      = "0kf99i43mlf750fr7fric764mm495a53mg5kahnbp6zcjcxxrm0b";
+  releaseRev = v: "v${v}";
 
   nativeBuildInputs = [ which ];
-  buildInputs = [ coq coq.ocaml ] ++ (with coq.ocamlPackages; [ findlib elpi ]);
-
-  installFlags = [ "COQLIB=$(out)/lib/coq/${coq.coq-version}/" ];
+  mlPlugin = true;
+  extraBuildInputs = [ elpi ];
 
   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;
+    maintainers = [ maintainers.cohencyril ];
+    license = licenses.lgpl21;
   };
 }
-- 
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