From 4d33f74bec415989a3d7c6093f2a00d8165f3f16 Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Sat, 21 Jan 2023 07:28:57 +0100
Subject: [PATCH] ocamlPackages.opus: use Dune 3

---
 pkgs/development/ocaml-modules/opus/default.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/ocaml-modules/opus/default.nix b/pkgs/development/ocaml-modules/opus/default.nix
index ecaf2090ca0..104846b87f6 100644
--- a/pkgs/development/ocaml-modules/opus/default.nix
+++ b/pkgs/development/ocaml-modules/opus/default.nix
@@ -4,13 +4,13 @@ buildDunePackage rec {
   pname = "opus";
   version = "0.2.2";
 
-  useDune2 = true;
+  duneVersion = "3";
 
   src = fetchFromGitHub {
     owner = "savonet";
     repo = "ocaml-opus";
     rev = "v${version}";
-    sha256 = "sha256-Ghfqw/J1oLbTJpYJaiB5M79jaA6DACvyxBVE+NjnPkg=";
+    hash = "sha256-Ghfqw/J1oLbTJpYJaiB5M79jaA6DACvyxBVE+NjnPkg=";
   };
 
   nativeBuildInputs = [ pkg-config ];