1 files changed, 39 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/ocaml-modules/rope/default.nix b/nixpkgs/pkgs/development/ocaml-modules/rope/default.nix
new file mode 100644
index 000000000000..b797af0a702a
--- /dev/null
+++ b/nixpkgs/pkgs/development/ocaml-modules/rope/default.nix
@@ -0,0 +1,39 @@
+{ stdenv, fetchurl, ocaml, findlib, ocamlbuild, dune, benchmark }:
+
+let param =
+  if stdenv.lib.versionAtLeast ocaml.version "4.03"
+  then {
+    version = "0.6.1";
+    url = " https://github.com/Chris00/ocaml-rope/releases/download/0.6.1/rope-0.6.1.tbz";
+    sha256 = "1zqh28jz1zjb0l354wi1046qpkwmk582ssz0gsqh6d44wpspdxk2";
+    buildInputs = [ dune ];
+    extra = {
+      buildPhase = "dune build -p rope";
+      inherit (dune) installPhase;
+    };
+  } else {
+    version = "0.5";
+    url = "https://forge.ocamlcore.org/frs/download.php/1156/rope-0.5.tar.gz";
+    sha256 = "05fr2f5ch2rqhyaj06rv5218sbg99p1m9pq5sklk04hpslxig21f";
+    buildInputs = [ ocamlbuild ];
+    extra = { createFindlibDestdir = true; };
+  };
+in
+
+stdenv.mkDerivation ({
+  name = "ocaml${ocaml.version}-rope-${param.version}";
+
+  src = fetchurl {
+    inherit (param) url sha256;
+  };
+
+  buildInputs = [ ocaml findlib benchmark ] ++ param.buildInputs;
+
+  meta = {
+    homepage = http://rope.forge.ocamlcore.org/;
+    platforms = ocaml.meta.platforms or [];
+    description = ''Ropes ("heavyweight strings") in OCaml'';
+    license = stdenv.lib.licenses.lgpl21;
+    maintainers = with stdenv.lib.maintainers; [ volth ];
+  };
+} // param.extra)