nixpkgs/pkgs/development/ocaml-modules/ptime/default.nix

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{ stdenv, fetchurl, ocaml, findlib, ocamlbuild, topkg, result, js_of_ocaml }:
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stdenv.mkDerivation rec {
version = "0.8.4";
name = "ocaml${ocaml.version}-ptime-${version}";
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src = fetchurl {
url = "https://erratique.ch/software/ptime/releases/ptime-${version}.tbz";
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sha256 = "0z2snhda8bg136xkw2msw6k2dz84vb49p8bgzrxfs8mawdlk0kkg";
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};
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buildInputs = [ ocaml findlib ocamlbuild topkg js_of_ocaml ];
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propagatedBuildInputs = [ result ];
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buildPhase = "${topkg.run} build --with-js_of_ocaml true";
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inherit (topkg) installPhase;
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meta = {
homepage = https://erratique.ch/software/ptime;
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description = "POSIX time for OCaml";
longDescription = ''
Ptime has platform independent POSIX time support in pure OCaml.
It provides a type to represent a well-defined range of POSIX timestamps
with picosecond precision, conversion with date-time values, conversion
with RFC 3339 timestamps and pretty printing to a human-readable,
locale-independent representation.
The additional Ptime_clock library provides access to a system POSIX clock
and to the system's current time zone offset.
Ptime is not a calendar library.
'';
license = stdenv.lib.licenses.isc;
maintainers = with stdenv.lib.maintainers; [ sternenseemann ];
};
}