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Re: [PATCH] gnu: Add exempi and eog.


From: Ricardo Wurmus
Subject: Re: [PATCH] gnu: Add exempi and eog.
Date: Wed, 15 Jul 2015 08:46:46 +0200

Hi David,

> +(define-public eog
> + (package
> +   (name "eog")
> +   (version "3.16.2")
> +   (source (origin
> +            (method url-fetch)
> +            (uri (string-append "mirror://gnome/sources/" name "/"
> +                                (version-major+minor version) "/"
> +                                name "-" version ".tar.xz"))
> +            (sha256
> +             (base32
> +              "0frw1b5jix9pffznav5s7ajjx91a8rv5lf4sjvjv3fw65mbnhbw0"))))
> +   (build-system glib-or-gtk-build-system)
> +   (arguments
> +    `(#:phases
> +      (modify-phases %standard-phases
> +        (add-after
> +         'install 'wrap-eog
> +         (lambda* (#:key inputs outputs #:allow-other-keys)

You don’t seem to be using ‘inputs’ anywhere, so you might as well leave
it away.

> +           (let ((out               (assoc-ref outputs "out"))
> +                 (gi-typelib-path   (getenv "GI_TYPELIB_PATH")))
> +             (wrap-program (string-append out "/bin/eog")
> +               `("GI_TYPELIB_PATH"        ":" prefix (,gi-typelib-path))))
> +           #t)))))

The many spaces after "GI_TYPELIB_PATH" look odd.  Other than that I
don’t see any problems with this patch.  The patch for ‘exempi’,
however, has many indentation problems.


> +(define-public exempi
> +    (package
> +      (name "exempi")
> +      (version (string-append "2.2.2"))

Why ‘string-append’?

> +      (source (origin
> +               (method git-fetch)
> +               (uri (git-reference
> +                     (url "http://anongit.freedesktop.org/git/exempi.git";)
> +                     (commit version)))
> +               (sha256
> +                (base32
> +                 "1z25wij89fn86bm38d9ahhzfq8a2sgxaphdc4lrpyq87dgb766q9"))
> +               (file-name (string-append name "-" version))))
> +      (build-system gnu-build-system)
> +      (arguments
> +        ;; FIXME: tests depend on boost, but unable to find headers when
> +        ;; used as an input

The comment is not properly aligned.  About finding boost, is there a
way to specify the location with a variable?

> +       `(#:configure-flags '("--disable-unittest")
> +         #:phases (alist-cons-after
> +                     'unpack 'fix-autogen
> +                     (lambda _

The indentation of the previous two lines is wrong.
Have you considered using the ‘modify-phases’ syntax instead?

> +                     (substitute* "autogen.sh"
> +                      ;; autogen.sh tries to run configure before we
> +                      ;; are able to patch it
> +                      (("^.*topsrcdir/configure.*$") "")))
> +                   (alist-cons-before
> +                    'configure 'autogen
> +                    (lambda _
> +                     (zero? (system* "./autogen.sh")))
> +                     %standard-phases))))
> +      (native-inputs
> +       `(("autoconf" ,(autoconf-wrapper))

I’ve never seen this before.  Is it required to use ‘(autoconf-wrapper)’
here?

> +         ("automake" ,automake)
> +         ("libtool" ,libtool)))
> +      (inputs
> +      `(("expat" ,expat)
> +        ("zlib" ,zlib)))

The indentation here is wrong.

> +      (home-page "https://wiki.freedesktop.org/libopenraw/Exempi";)
> +      (synopsis "XMP metadata handling")
> +      (description "Exempi is an implementation of the Extensible Metadata
> +Platform (XMP), which enables embedding metadata in PDF and image formats.")
> +      (license license:bsd-3)))

~~ Ricardo




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