doc: Really document 'guix pack --format'.

* doc/guix.texi (Invoking guix pack): Properly document --format.
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Ludovic Courtès 2017-03-17 09:44:08 +01:00
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@ -2438,11 +2438,8 @@ guix pack -S /opt/gnu/bin=bin guile emacs geiser
@noindent
That way, users can happily type @file{/opt/gnu/bin/guile} and enjoy.
Alternatively, you can produce a pack in the Docker image format, as
described in
@uref{https://github.com/docker/docker/blob/master/image/spec/v1.2.md,
version 1.2 of the specification}. This is what the following command
does:
Alternatively, you can produce a pack in the Docker image format using
the following command:
@example
guix pack -f docker guile emacs geiser
@ -2457,6 +2454,23 @@ documentation} for more information.
Several command-line options allow you to customize your pack:
@table @code
@item --format=@var{format}
@itemx -f @var{format}
Produce a pack in the given @var{format}.
The available formats are:
@table @code
@item tarball
This is the default format. It produces a tarball containing all the
specifies binaries and symlinks.
@item docker
This produces a tarball that follows the
@uref{https://github.com/docker/docker/blob/master/image/spec/v1.2.md,
Docker Image Specification}.
@end table
@item --system=@var{system}
@itemx -s @var{system}
Attempt to build for @var{system}---e.g., @code{i686-linux}---instead of