push sheeet

pkgs/development/ocaml-modules/duff/default.nix

@@ -0,0 +1,40 @@
+{
+  lib,
+  fetchurl,
+  buildDunePackage,
+  fmt,
+  alcotest,
+  hxd,
+  crowbar,
+  bigstringaf,
+}:
+
+buildDunePackage rec {
+  pname = "duff";
+  version = "0.5";
+
+  minimalOCamlVersion = "4.08";
+  duneVersion = "3";
+
+  src = fetchurl {
+    url = "https://github.com/mirage/duff/releases/download/v${version}/duff-${version}.tbz";
+    sha256 = "sha256-+UU89Ko7aFDv6MxvE/BT6+XyER+vF3zqv7sD5dmtbt4=";
+  };
+
+  propagatedBuildInputs = [ fmt ];
+
+  doCheck = true;
+  checkInputs = [
+    alcotest
+    crowbar
+    hxd
+    bigstringaf
+  ];
+
+  meta = {
+    description = "Pure OCaml implementation of libXdiff (Rabin’s fingerprint)";
+    homepage = "https://github.com/mirage/duff";
+    license = lib.licenses.mit;
+    maintainers = [ lib.maintainers.vbgl ];
+  };
+}