GNU bug report logs - #49867
[PATCH 00/29] gnu: Add ocaml-cohttp-lwt-unix.

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Message #101 received at 49867 <at> debbugs.gnu.org (full text, mbox):

From: Xinglu Chen <public <at> yoctocell.xyz>
To: pukkamustard <pukkamustard <at> posteo.net>, 49867 <at> debbugs.gnu.org
Cc: pukkamustard <pukkamustard <at> posteo.net>
Subject: Re: [bug#49867] [PATCH 15/29] gnu: Add ocaml-ptime.
Date: Thu, 05 Aug 2021 17:48:55 +0200

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On Wed, Aug 04 2021, pukkamustard wrote:

> * gnu/packages/ocaml.scm (ocaml-ptime): New variable.
> ---
>  gnu/packages/ocaml.scm | 42 ++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 42 insertions(+)
>
> diff --git a/gnu/packages/ocaml.scm b/gnu/packages/ocaml.scm
> index a34c844059..ab385eb26f 100644
> --- a/gnu/packages/ocaml.scm
> +++ b/gnu/packages/ocaml.scm
> @@ -7487,6 +7487,48 @@ number generator interface, and implementations.")))
>      (description "@code{ocaml-mirage-crypto-pk} provides public-key
>  cryptography (RSA, DSA, DH) for OCaml.")))
>  
> +(define-public ocaml-ptime
> +  (package
> +    (name "ocaml-ptime")
> +    (version "0.8.5")
> +    (source
> +     (origin
> +       (method url-fetch)
> +       (uri "https://erratique.ch/software/ptime/releases/ptime-0.8.5.tbz")

Use (string-append "https://erratique.ch..." version ".tbz") to make it
easier to update the package in the future.

> +       (sha256
> +        (base32
> +         "1fxq57xy1ajzfdnvv5zfm7ap2nf49znw5f9gbi4kb9vds942ij27"))))
> +    (build-system ocaml-build-system)
> +    (arguments
> +     `(#:tests? #f

What’s the reason for disabling tests?

> +       #:build-flags (list "build" "--with-js_of_ocaml" "false")
> +       #:phases
> +       (modify-phases %standard-phases
> +         (delete 'configure))))
> +    (propagated-inputs
> +     `(("ocaml-result" ,ocaml-result)))
> +    (native-inputs
> +     `(("ocamlbuild" ,ocamlbuild)
> +       ("ocaml-topkg" ,ocaml-topkg)
> +       ("opam" ,opam)))
> +    (home-page "https://erratique.ch/software/ptime")
> +    (synopsis "POSIX time for OCaml")
> +    (description "Ptime has platform independent POSIX time support in pure
> +OCaml. It provides a type to represent a well-defined range of POSIX
         ^
Double spacing.  :-)

> +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.

Not really sure if this sentence is necessary.  I think the previous
sentences has hade it pretty clear that it a time and date library.

> +Ptime depends on the @code{ocaml-result} compatibility package. Ptime_clock
> +depends on your system library. Ptime_clock's optional JavaScript support
> +depends on @code{js-of-ocaml}.")

This two sentences are probably also not necessary for users of the
package.  It should be the packager’s job to specify the dependencies.  :-)

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