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-rw-r--r--pkgs/development/ocaml-modules/erm_xml/default.nix19
1 files changed, 10 insertions, 9 deletions
diff --git a/pkgs/development/ocaml-modules/erm_xml/default.nix b/pkgs/development/ocaml-modules/erm_xml/default.nix
index 56b5c929570..fa072f8bd1c 100644
--- a/pkgs/development/ocaml-modules/erm_xml/default.nix
+++ b/pkgs/development/ocaml-modules/erm_xml/default.nix
@@ -1,17 +1,18 @@
-{ stdenv, lib, fetchzip, ocaml, findlib, ocamlbuild }:
+{ stdenv, lib, fetchFromGitHub, ocaml, findlib, ocamlbuild }:
 
 if !lib.versionAtLeast ocaml.version "4.02"
 then throw "erm_xml is not available for OCaml ${ocaml.version}"
 else
 
-let version = "0.3+20180112"; in
+stdenv.mkDerivation rec {
+  pname = "ocaml${ocaml.version}-erm_xml";
+  version = "0.3+20180112";
 
-stdenv.mkDerivation {
-  name = "ocaml${ocaml.version}-erm_xml-${version}";
-
-  src = fetchzip {
-    url = "https://github.com/hannesm/xml/archive/bbabdade807d8281fc48806da054b70dfe482479.tar.gz";
-    sha256 = "1gawpmg8plip0wia0xq60m024dn7l3ykwbjpbqx9f9bdmx74n1rr";
+  src = fetchFromGitHub {
+    owner = "hannesm";
+    repo = "xml";
+    rev = "bbabdade807d8281fc48806da054b70dfe482479";
+    sha256 = "sha256-OQdLTq9tJZc6XlcuPv2gxzYiQAUGd6AiBzfSi169XL0=";
   };
 
   buildInputs = [ ocaml findlib ocamlbuild ];
@@ -21,7 +22,7 @@ stdenv.mkDerivation {
   meta = {
     homepage = "https://github.com/hannesm/xml";
     description = "XML Parser for discrete data";
-    platforms = ocaml.meta.platforms or [];
+    platforms = ocaml.meta.platforms or [ ];
     license = lib.licenses.bsd3;
     maintainers = with lib.maintainers; [ vbgl ];
   };