Subject: [bug#27441] [PATCH] gnu: Update calibre to 3.0.0.

From: [email-masked] (Ludovic Courtès)
Date: Wed, 21 Jun 2017 21:36:48 +0200

Roel Janssen <[email-masked]> skribis:

> From bbdc3f943d48d92c7be3aee6891dcfb26ba5b186 Mon Sep 17 00:00:00 2001
> From: Roel Janssen <[email-masked]>
> Date: Wed, 21 Jun 2017 16:44:56 +0200
> Subject: [PATCH] gnu: Update calibre to 3.0.0.
>
> * gnu/local.mk: Remove patch.
> * gnu/packages/ebook.scm (calibre): Update to 3.0.0.
> * gnu/packages/patches/calibre-dont-load-remote-icons.patch: Remove file.

[...]

> +         (add-after 'unpack 'dont-load-remote-icons
> +           (lambda _
> +             (substitute* "setup/plugins_mirror.py"
> +               (("href=\"//calibre-ebook.com/favicon.ico\"")
> +                "href=\"favicon.ico\""))))

Make sure to return #t.

Other than that, if it works for you, I say go for it!

Thanks,
Ludo’.