[bug#66296] [PATCH v2] pack: Allow setting a custom image tag for Docker images

[Ludovic Courtès]

Hi,

soeren@soeren-tempel.net skribis:

> From: Sören Tempel <soeren@soeren-tempel.net>
>
> Previously, the image repository name was automatically computed from
> the packages in the manifest without allowing the user to set a custom
> one. As such, changing the packages in the manifest would result in a
> new image name. Thereby requiring updating documentation et cetera when
> using `docker load` directory on the resulting image.
>
> Inspired by `docker build -t`, this commit adds a new Docker-specific
> option to `guix pack` which allows setting a custom repository name for
> the resulting image. If this option is not specified, pack falls back
> to computing the name from the manifest. Therefore, this change is
> entirely backwards compatible.
>
> * guix/scripts/pack.scm (guix-pack): add --image-tag option
> * guix/scripts/pack.scm (%docker-format-options): new constant
> * guix/scripts/pack.scm (show-docker-format-options): new procedure
> * guix/scripts/pack.scm (show-docker-format-options/detailed): new procedure
> * guix/scripts/pack.scm (docker-image): allow setting a custom
>   repository name for the created docker image via extra-options.
> * doc/guix.texi (Invoking guix pack)[docker]: Document --image-tag option
>
> Signed-off-by: Sören Tempel <soeren@soeren-tempel.net>

It looks like commit 373ec2cf8ce97d5f89191c3d9211ee3a5c2067dc does not
include the pack.scm changes, only documentation.

Ludo’.