From 9b834a210e0a4735b6b4bc45672806f249e588d4 Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Fri, 6 Dec 2019 06:19:00 +0000
Subject: [PATCH] ocamlPackages.graphql-lwt: init at 0.13.0

---
 .../development/ocaml-modules/graphql/lwt.nix | 19 +++++++++++++++++++
 pkgs/top-level/ocaml-packages.nix             |  2 ++
 2 files changed, 21 insertions(+)
 create mode 100644 pkgs/development/ocaml-modules/graphql/lwt.nix

diff --git a/pkgs/development/ocaml-modules/graphql/lwt.nix b/pkgs/development/ocaml-modules/graphql/lwt.nix
new file mode 100644
index 000000000000..37d75f9e22ea
--- /dev/null
+++ b/pkgs/development/ocaml-modules/graphql/lwt.nix
@@ -0,0 +1,19 @@
+{ lib, buildDunePackage, alcotest, graphql, ocaml_lwt }:
+
+buildDunePackage rec {
+  pname = "graphql-lwt";
+
+  inherit (graphql) version src;
+
+  propagatedBuildInputs = [ graphql ocaml_lwt ];
+
+  checkInputs = lib.optional doCheck alcotest;
+
+  doCheck = true;
+
+  meta = graphql.meta // {
+    description = "Build GraphQL schemas with Lwt support";
+  };
+
+}
+
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index 54949399a0da..77277b6b88b6 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -350,6 +350,8 @@ let
 
     graphql = callPackage ../development/ocaml-modules/graphql { };
 
+    graphql-lwt = callPackage ../development/ocaml-modules/graphql/lwt.nix { };
+
     graphql_parser = callPackage ../development/ocaml-modules/graphql/parser.nix { };
 
     gtktop = callPackage ../development/ocaml-modules/gtktop { };