From 6bc3638cf4c1b421d2aceeb598ce848b6e41af76 Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Sat, 2 Jul 2022 06:54:44 +0100
Subject: [PATCH] =?UTF-8?q?ocamlPackages.duff:=200.4=20=E2=86=92=200.5?=
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---
 pkgs/development/ocaml-modules/duff/default.nix | 16 +++++++---------
 1 file changed, 7 insertions(+), 9 deletions(-)

diff --git a/pkgs/development/ocaml-modules/duff/default.nix b/pkgs/development/ocaml-modules/duff/default.nix
index a57f8564d9e..27fb981de4d 100644
--- a/pkgs/development/ocaml-modules/duff/default.nix
+++ b/pkgs/development/ocaml-modules/duff/default.nix
@@ -1,22 +1,20 @@
-{ lib, fetchurl, buildDunePackage, fetchpatch
-, stdlib-shims, bigarray-compat, fmt
+{ lib, fetchurl, buildDunePackage, ocaml
+, fmt
 , alcotest, hxd, crowbar, bigstringaf
 }:
 
 buildDunePackage rec {
   pname = "duff";
-  version = "0.4";
-
-  useDune2 = true;
+  version = "0.5";
 
   src = fetchurl {
-    url = "https://github.com/mirage/duff/releases/download/v${version}/duff-v${version}.tbz";
-    sha256 = "4795e8344a2c2562e0ef6c44ab742334b5cd807637354715889741b20a461da4";
+    url = "https://github.com/mirage/duff/releases/download/v${version}/duff-${version}.tbz";
+    sha256 = "sha256-0eqpfPWNOHYjkcjXRnZUTUFF0/L9E+TNoOqKCETN5hI=";
   };
 
-  propagatedBuildInputs = [ stdlib-shims bigarray-compat fmt ];
+  propagatedBuildInputs = [ fmt ];
 
-  doCheck = true;
+  doCheck = lib.versionAtLeast ocaml.version "4.08";
   checkInputs = [
     alcotest
     crowbar