From bbce011c13035ad7b4317e91c768eac27eb783a6 Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Mon, 7 Oct 2019 06:24:04 +0000
Subject: [PATCH] ocamlPackages.duff: init at 0.2

---
 .../ocaml-modules/duff/default.nix            | 26 +++++++++++++++++++
 pkgs/top-level/ocaml-packages.nix             |  2 ++
 2 files changed, 28 insertions(+)
 create mode 100644 pkgs/development/ocaml-modules/duff/default.nix

diff --git a/pkgs/development/ocaml-modules/duff/default.nix b/pkgs/development/ocaml-modules/duff/default.nix
new file mode 100644
index 00000000000..1c6b59961ef
--- /dev/null
+++ b/pkgs/development/ocaml-modules/duff/default.nix
@@ -0,0 +1,26 @@
+{ lib, fetchurl, buildDunePackage
+, cstruct, fmt
+, bos, cmdliner, fpath, logs
+, alcotest
+}:
+
+buildDunePackage rec {
+  pname = "duff";
+  version = "0.2";
+  src = fetchurl {
+    url = "https://github.com/mirage/duff/releases/download/v${version}/duff-v${version}.tbz";
+    sha256 = "0bi081w4349cqc1n9jsjh1lrcqlnv3nycmvh9fniscv8lz1c0gjq";
+  };
+
+  buildInputs = [ bos cmdliner fpath logs ] ++ lib.optional doCheck alcotest;
+  propagatedBuildInputs = [ cstruct fmt ];
+
+  doCheck = true;
+
+  meta = {
+    description = "Pure OCaml implementation of libXdiff (Rabin’s fingerprint)";
+    homepage = "https://github.com/mirage/duff";
+    license = lib.licenses.mit;
+    maintainers = [ lib.maintainers.vbgl ];
+  };
+}
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index ffe6a215e9d..d463a404649 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -219,6 +219,8 @@ let
 
     dtoa = callPackage ../development/ocaml-modules/dtoa { };
 
+    duff = callPackage ../development/ocaml-modules/duff { };
+
     dune = callPackage ../development/tools/ocaml/dune { };
 
     earley = callPackage ../development/ocaml-modules/earley { };