From 181ab63cec8fed3aaab1f851cd255fa10cca3d19 Mon Sep 17 00:00:00 2001
From: Ethan Carter Edwards <ethan@ethancedwards.com>
Date: Wed, 4 Jun 2025 22:42:08 -0400
Subject: [PATCH] ocamlPackages.prelude: init at 0.5

Signed-off-by: Ethan Carter Edwards <ethan@ethancedwards.com>
---
 .../ocaml-modules/prelude/default.nix         | 29 +++++++++++++++++++
 pkgs/top-level/ocaml-packages.nix             |  2 ++
 2 files changed, 31 insertions(+)
 create mode 100644 pkgs/development/ocaml-modules/prelude/default.nix

diff --git a/pkgs/development/ocaml-modules/prelude/default.nix b/pkgs/development/ocaml-modules/prelude/default.nix
new file mode 100644
index 000000000000..06424b840d1a
--- /dev/null
+++ b/pkgs/development/ocaml-modules/prelude/default.nix
@@ -0,0 +1,29 @@
+{
+  lib,
+  buildDunePackage,
+  fetchzip,
+}:
+
+buildDunePackage rec {
+  pname = "prelude";
+  version = "0.5";
+
+  minimalOCamlVersion = "4.13";
+
+  # upstream git repo is misconfigured and cannot be cloned
+  src = fetchzip {
+    url = "https://git.zapashcanon.fr/zapashcanon/prelude/archive/${version}.tar.gz";
+    hash = "sha256-lti+q1U/eEasAXo0O5YEu4iw7947V9bdvSHA0IEMS8M=";
+  };
+
+  doCheck = true;
+
+  meta = {
+    description = "Library to enforce good stdlib practices";
+    homepage = "https://ocaml.org/p/prelude/";
+    downloadPage = "https://git.zapashcanon.fr/zapashcanon/prelude";
+    changelog = "https://git.zapashcanon.fr/zapashcanon/prelude/src/tag/${version}/CHANGES.md";
+    license = lib.licenses.agpl3Plus;
+    maintainers = [ lib.maintainers.ethancedwards8 ];
+  };
+}
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index 9c4cb158b5b5..b0c593871bf9 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -1768,6 +1768,8 @@ let
 
         pratter = callPackage ../development/ocaml-modules/pratter { };
 
+        prelude = callPackage ../development/ocaml-modules/prelude { };
+
         prettym = callPackage ../development/ocaml-modules/prettym { };
 
         printbox = callPackage ../development/ocaml-modules/printbox { };