Re: Real-world example for channels?

["Ludovic Courtès" <ludo@gnu.org>]

Hi Chris,

Chris Marusich <cmmarusich@gmail.com> skribis:

> From d382cbddd11e86bd9b69f271782d2dccba180a05 Mon Sep 17 00:00:00 2001
> From: Chris Marusich <cmmarusich@gmail.com>
> Date: Sun, 27 Jan 2019 16:29:30 -0800
> Subject: [PATCH] doc: Clarify channel file structure.
>
> Suggested by Hartmut Goebel <h.goebel@crazy-compilers.com>.
>
> * doc/guix.texi (Channels): Clarify how a channel author should structure the
> files in their channel's Git repository.
> ---
>  doc/guix.texi | 18 ++++++++++++++----
>  1 file changed, 14 insertions(+), 4 deletions(-)
>
> diff --git a/doc/guix.texi b/doc/guix.texi
> index 22fc03b8f..5499ebf5b 100644
> --- a/doc/guix.texi
> +++ b/doc/guix.texi
> @@ -3691,10 +3691,20 @@ share your improvements, which are basic tenets of
>  email us at @email{guix-devel@@gnu.org} if you'd like to discuss this.
>  @end quotation
>  
> -Once you have a Git repository containing your own package modules, you can
> -write @code{~/.config/guix/channels.scm} to instruct @command{guix pull} to
> -pull from your personal channel @emph{in addition} to the default Guix
> -channel(s):
> +To create a channel, create a Git repository containing your own package
> +modules and make it available.  The repository can contain anything, but a
> +useful channel will contain Guile modules that export packages.  Once you
> +start using a channel, Guix will behave as if the root directory of that
> +channel's Git repository has been added to the Guile load path (@pxref{Load
> +Paths,,, guile, GNU Guile Reference Manual}).  For example, if your channel
> +contains a file at @file{my-packages/my-tools.scm} that defines a Guile
> +module, then the module will be available under the name @code{(my-packages
> +my-tools)}, and you will be able to use it like any other module
> +(@pxref{Modules,,, guile, GNU Guile Reference Manual}).
> +
> +To use a channel, you can write @code{~/.config/guix/channels.scm} to instruct
> +@command{guix pull} to pull from your personal channel @emph{in addition} to
> +the default Guix channel(s):

I’d perhaps move the “To create a channel” paragraph after the “To use a
channel” paragraph, but otherwise LGTM.

Thanks for taking the time to improve the manual!

Ludo’.