GNU bug report logs - #30009
[PATCH 0/1] gnu: Add selene.

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From: ludo <at> gnu.org (Ludovic Courtès)
To: Fis Trivial <ybbs.daans <at> hotmail.com>
Cc: "30009 <at> debbugs.gnu.org" <30009 <at> debbugs.gnu.org>
Subject: [bug#30009] [PATCH 1/1] gnu: Add selene.
Date: Mon, 08 Jan 2018 09:58:14 +0100

Hello,

Some mostly cosmetic suggestions, which hopefully answer your questions:

Fis Trivial <ybbs.daans <at> hotmail.com> skribis:

> * gnu/packages/lua.scm (selene): New public variable.

[...]

> +         (replace 'install
> +           (lambda _
> +             (let* ((output     (assoc-ref %outputs "out"))
> +                    (source     (assoc-ref %build-inputs "source"))
> +                    (includedir (string-append output "/include")))

Avoid the ‘%outputs’ and ‘%build-inputs’ global variables by writing:

  (lambda* (#:key inputs outputs #:allow-other-keys)
    (let ((output (assoc-ref outputs "out")))
      …))

> +         ;; The path of test files are hard coded.
> +         (replace 'check
> +           (lambda _

Likewise.

> +             (let* ((output (assoc-ref %output "out"))
> +                    (source (assoc-ref %build-inputs "source"))
> +                    (builddir   (getcwd))
> +                    (testdir    (string-append builddir "/test")))
> +               (and
> +                (copy-recursively
> +                 (string-append source "/test")
> +                 testdir)
> +                (system* "make")
> +                ;; To overcome the hardcoded test path
> +                (mkdir-p "runner")
> +                (copy-file "./test_runner" "./runner/test_runner")
> +                (chdir "./runner")
> +                (system* "./test_runner"))))))))

Here you can remove ‘and’ and use ‘invoke’ instead of ‘system*’
(‘invoke’ throws an exception when execution fails.)

> +    (home-page "https://github.com/jeremyong/Selene")
> +    (synopsis "Lua C++11 bindings")
> +    (description
> +     "Selene is a simple C++11 friendly header-only binding to Lua.")

It’s a library to create Lua bindings, pretty much like Boost::Python,
isn’t it?  Perhaps the description could clarify that somehow.

Otherwise LGTM.  Could you send an updated patch?

Thank you!

Ludo’.

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