Merge pull request NixOS#67324 from vbgl/ocaml-vg-0.9.3

ocamlPackages.vg: 0.9.1 -> 0.9.3

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

@@ -11,19 +11,21 @@ let
   inherit (stdenv.lib) optionals versionAtLeast;
 
   pname = "vg";
-  version = "0.9.1";
+  version = "0.9.3";
   webpage = "https://erratique.ch/software/${pname}";
 in
 
-assert versionAtLeast ocaml.version "4.02.0";
+if !versionAtLeast ocaml.version "4.03"
+then throw "vg is not available for OCaml ${ocaml.version}"
+else
 
 stdenv.mkDerivation rec {
 
   name = "ocaml${ocaml.version}-${pname}-${version}";
 
   src = fetchurl {
     url = "${webpage}/releases/${pname}-${version}.tbz";
-    sha256 = "07h9a464v0x066mjg3ldkaq94ah47b7rvh54z4rndrg7v6bk7kyp";
+    sha256 = "0jj5hrqxdb6yyplnz0r7am4mbjzgcn876qp7sqs2x93a97fk6lwd";
   };
 
   buildInputs = [ ocaml findlib ocamlbuild topkg ];