ocaml-jingoo: add initial version (1.2.7) to the system

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

···
+{stdenv, buildOcaml, fetchurl, batteries, pcre}:
+
+buildOcaml rec {
+  name = "jingoo";
+  version = "1.2.7";
+
+  src = fetchurl {
+    url = "https://github.com/tategakibunko/jingoo/archive/v${version}.tar.gz";
+    sha256 = "8ffc5723d77b323a12761981d048c046af77db47543a4b1076573aa5f4003009";
+  };
+
+  propagatedBuildInputs = [ batteries pcre ];
+
+  preInstall = "mkdir -p $out/bin";
+  installFlags = "BINDIR=$(out)/bin";
+
+  meta = with stdenv.lib; {
+    homepage = https://github.com/tategakibunko/jingoo;
+    description = "OCaml template engine almost compatible with jinja2";
+    license = licenses.mit;
+    maintainers = [ maintainers.ericbmerritt ];
+  };
+}

pkgs/top-level/all-packages.nix

···
 
     hex = callPackage ../development/ocaml-modules/hex { };
 
+    jingoo = callPackage ../development/ocaml-modules/jingoo {
+      batteries = ocaml_batteries;
+      pcre = ocaml_pcre;
+    };
+
     js_of_ocaml = callPackage ../development/tools/ocaml/js_of_ocaml { };
 
     jsonm = callPackage ../development/ocaml-modules/jsonm { };