From 8bf29a60140d9a96996bec83afb4aa420328a4af Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Mon, 2 Nov 2020 06:37:02 +0100
Subject: [PATCH] ocamlPackages.mirage-channel: init at 4.0.1

---
 .../ocaml-modules/mirage-channel/default.nix  | 28 +++++++++++++++++++
 pkgs/top-level/ocaml-packages.nix             |  2 ++
 2 files changed, 30 insertions(+)
 create mode 100644 pkgs/development/ocaml-modules/mirage-channel/default.nix

diff --git a/pkgs/development/ocaml-modules/mirage-channel/default.nix b/pkgs/development/ocaml-modules/mirage-channel/default.nix
new file mode 100644
index 00000000000..5b639e6fdd6
--- /dev/null
+++ b/pkgs/development/ocaml-modules/mirage-channel/default.nix
@@ -0,0 +1,28 @@
+{ lib, fetchurl, buildDunePackage
+, cstruct, logs, lwt, mirage-flow
+, alcotest, mirage-flow-combinators
+}:
+
+buildDunePackage rec {
+  pname = "mirage-channel";
+  version = "4.0.1";
+
+  useDune2 = true;
+
+  src = fetchurl {
+    url = "https://github.com/mirage/mirage-channel/releases/download/v${version}/mirage-channel-v${version}.tbz";
+    sha256 = "0wmb2zhiyp8n78xgcspcsyd19bhcml3kyli2caw3778wc1gyvfpc";
+  };
+
+  propagatedBuildInputs = [ cstruct logs lwt mirage-flow ];
+
+  doCheck = true;
+  checkInputs = [ alcotest mirage-flow-combinators ];
+
+  meta = {
+    description = "Buffered channels for MirageOS FLOW types";
+    license = lib.licenses.isc;
+    maintainers = [ lib.maintainers.vbgl ];
+    homepage = "https://github.com/mirage/mirage-channel";
+  };
+}
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index b623d65bb8b..ee362e03a94 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -543,6 +543,8 @@ let
 
     mirage-bootvar-unix = callPackage ../development/ocaml-modules/mirage-bootvar-unix { };
 
+    mirage-channel = callPackage ../development/ocaml-modules/mirage-channel { };
+
     mirage-clock = callPackage ../development/ocaml-modules/mirage-clock { };
 
     mirage-clock-unix = callPackage ../development/ocaml-modules/mirage-clock/unix.nix { };