From 13eede3e6666b84a5a5b53899ebb68357b440a35 Mon Sep 17 00:00:00 2001
From: Emery Hemingway <ehmry@posteo.net>
Date: Sat, 26 Dec 2020 19:35:40 +0100
Subject: [PATCH] ocamlPackages.mirage-block-ramdisk: init at 0.5

---
 .../mirage-block-ramdisk/default.nix          | 29 +++++++++++++++++++
 pkgs/top-level/ocaml-packages.nix             |  2 ++
 2 files changed, 31 insertions(+)
 create mode 100644 pkgs/development/ocaml-modules/mirage-block-ramdisk/default.nix

diff --git a/pkgs/development/ocaml-modules/mirage-block-ramdisk/default.nix b/pkgs/development/ocaml-modules/mirage-block-ramdisk/default.nix
new file mode 100644
index 00000000000..1dcc769abb6
--- /dev/null
+++ b/pkgs/development/ocaml-modules/mirage-block-ramdisk/default.nix
@@ -0,0 +1,29 @@
+{ lib, fetchurl, buildDunePackage, io-page, io-page-unix, mirage-block, alcotest
+, mirage-block-combinators }:
+
+buildDunePackage rec {
+  pname = "mirage-block-ramdisk";
+  version = "0.5";
+
+  useDune2 = true;
+
+  src = fetchurl {
+    url =
+      "https://github.com/mirage/mirage-block-ramdisk/releases/download/${version}/mirage-block-ramdisk-${version}.tbz";
+    sha256 = "cc0e814fd54efe7a5b7a8c5eb1c04e2dece751b7d8dee2d95908a0768896e8af";
+  };
+
+  minimumOCamlVersion = "4.06";
+
+  propagatedBuildInputs = [ io-page mirage-block ];
+
+  doCheck = true;
+  checkInputs = [ alcotest io-page-unix mirage-block-combinators ];
+
+  meta = with lib; {
+    description = "In-memory BLOCK device for MirageOS";
+    homepage = "https://github.com/mirage/mirage-block-ramdisk";
+    license = licenses.isc;
+    maintainers = with maintainers; [ ehmry ];
+  };
+}
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index c8b868f74b6..06ca7b01fae 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -577,6 +577,8 @@ let
 
     mirage-block-combinators = callPackage ../development/ocaml-modules/mirage-block/combinators.nix { };
 
+    mirage-block-ramdisk = callPackage ../development/ocaml-modules/mirage-block-ramdisk { };
+
     mirage-bootvar-unix = callPackage ../development/ocaml-modules/mirage-bootvar-unix { };
 
     mirage-channel = callPackage ../development/ocaml-modules/mirage-channel { };