From 117ca03ed26d8ad2f89f56eefddea5cfbbba98ee Mon Sep 17 00:00:00 2001
From: Volker Diels-Grabsch <v@njh.eu>
Date: Tue, 22 Jul 2025 19:59:12 +0200
Subject: [PATCH] Add melange-json-native 2.0.0 (#427482)

* ocamlPackages.melange-json-native: init at 2.0.0

* ocamlPackages.melange-json(-native): add vog to maintainers

* ocamlPackages.melange-json: Add comment about why we currently disable doCheck

* ocamlPackages.melange-json: Remove dependencies that are only needed by melange-json-native
---
 .../ocaml-modules/melange-json/default.nix    | 12 +++++------
 .../ocaml-modules/melange-json/native.nix     | 20 +++++++++++++++++++
 pkgs/top-level/ocaml-packages.nix             |  1 +
 3 files changed, 27 insertions(+), 6 deletions(-)
 create mode 100644 pkgs/development/ocaml-modules/melange-json/native.nix

diff --git a/pkgs/development/ocaml-modules/melange-json/default.nix b/pkgs/development/ocaml-modules/melange-json/default.nix
index 69b2e7004ab5..aa4df6c9ca33 100644
--- a/pkgs/development/ocaml-modules/melange-json/default.nix
+++ b/pkgs/development/ocaml-modules/melange-json/default.nix
@@ -18,15 +18,15 @@ buildDunePackage rec {
   };
 
   nativeBuildInputs = [ melange ];
-  buildInputs = [
-    melange
-    yojson
-    ppxlib
-  ];
+  propagatedBuildInputs = [ melange ];
+  doCheck = false; # Fails due to missing "melange-jest", which in turn fails in command "npx jest"
   meta = {
     description = "Compositional JSON encode/decode library and PPX for Melange and OCaml";
     homepage = "https://github.com/melange-community/melange-json";
     license = lib.licenses.lgpl3;
-    maintainers = [ lib.maintainers.GirardR1006 ];
+    maintainers = [
+      lib.maintainers.GirardR1006
+      lib.maintainers.vog
+    ];
   };
 }
diff --git a/pkgs/development/ocaml-modules/melange-json/native.nix b/pkgs/development/ocaml-modules/melange-json/native.nix
new file mode 100644
index 000000000000..630f614e6edf
--- /dev/null
+++ b/pkgs/development/ocaml-modules/melange-json/native.nix
@@ -0,0 +1,20 @@
+{
+  buildDunePackage,
+  melange-json,
+  ppxlib,
+  yojson,
+}:
+
+buildDunePackage {
+  pname = "melange-json-native";
+  inherit (melange-json) version src;
+  minimalOCamlVersion = "4.12";
+  propagatedBuildInputs = [
+    ppxlib
+    yojson
+  ];
+  doCheck = false; # Fails due to missing "melange-jest", which in turn fails in command "npx jest"
+  meta = melange-json.meta // {
+    description = "Compositional JSON encode/decode PPX for OCaml";
+  };
+}
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index 8c2a3770961d..3e62e9848142 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -1144,6 +1144,7 @@ let
         melange = callPackage ../development/tools/ocaml/melange { };
 
         melange-json = callPackage ../development/ocaml-modules/melange-json { };
+        melange-json-native = callPackage ../development/ocaml-modules/melange-json/native.nix { };
 
         memprof-limits = callPackage ../development/ocaml-modules/memprof-limits { };