From ffe1ba89853cee12c75cf98f620022a758fc7818 Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Mon, 30 Jan 2023 08:24:42 +0100
Subject: [PATCH 1/2] alt-ergo: fix src URL

---
 pkgs/applications/science/logic/alt-ergo/default.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/applications/science/logic/alt-ergo/default.nix b/pkgs/applications/science/logic/alt-ergo/default.nix
index 7077d56f8069..75288b5ff80b 100644
--- a/pkgs/applications/science/logic/alt-ergo/default.nix
+++ b/pkgs/applications/science/logic/alt-ergo/default.nix
@@ -9,8 +9,8 @@ let
   src = fetchFromGitHub {
     owner = "OCamlPro";
     repo = pname;
-    rev = version;
-    sha256 = "sha256-8pJ/1UAbheQaLFs5Uubmmf5D0oFJiPxF6e2WTZgRyAc=";
+    rev = "refs/tags/${version}";
+    hash = "sha256-8pJ/1UAbheQaLFs5Uubmmf5D0oFJiPxF6e2WTZgRyAc=";
   };
 in
 

From 229ef3021c27511f3b765058e0d6eeafd24467f6 Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Mon, 30 Jan 2023 10:55:52 +0100
Subject: [PATCH 2/2] ocamlPackages.psmt2-frontend: minor cleaning

---
 pkgs/development/ocaml-modules/psmt2-frontend/default.nix | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/pkgs/development/ocaml-modules/psmt2-frontend/default.nix b/pkgs/development/ocaml-modules/psmt2-frontend/default.nix
index 41e13f21a412..1cb14f75faa8 100644
--- a/pkgs/development/ocaml-modules/psmt2-frontend/default.nix
+++ b/pkgs/development/ocaml-modules/psmt2-frontend/default.nix
@@ -8,12 +8,10 @@ buildDunePackage rec {
     owner = "ACoquereau";
     repo = pname;
     rev = version;
-    sha256 = "sha256-cYY9x7QZjH7pdJyHMqfMXgHZ3/zJLp/6ntY6OSIo6Vs=";
+    hash = "sha256-cYY9x7QZjH7pdJyHMqfMXgHZ3/zJLp/6ntY6OSIo6Vs=";
   };
 
-  useDune2 = true;
-
-  minimumOCamlVersion = "4.03";
+  minimalOCamlVersion = "4.03";
 
   strictDeps = true;