Re: Adding a subcommand "load-profile"

[Roel Janssen <roel@gnu.org>]

On Wed, 2020-04-29 at 15:48 +0200, zimoun wrote:
> Dear Roel,
> 
> On Wed, 29 Apr 2020 at 14:46, Roel Janssen <roel@gnu.org> wrote:
> 
> > > > If there is interest in having this as a "load-profile" subcommand, I
> > > > will
> > > > post
> > > > an initial implementation to the mailing list ASAP.
> > > 
> > > Instead of another subcommand, I would suggest to add an option to
> > > "guix environment".
> > > Then an another further step should maybe combine "--load-profile" and
> > > "--ad-hoc" in order to create a temporary "augmented" profile.
> > 
> > I would strongly prefer to keep it backwards-compatible for our local HPC
> > users.
> > Also, the "environment" command generates a new profile, whereas the
> > proposed
> > "load-profile" merely applies the environment variables of an existing
> > profile
> > to a newly spawned shell.  I think the way they work differs enough to
> > warrant a
> > separate subcommand.
> 
> I understand that you would like to keep backward-compatibility with
> your current tools and ease the switch for your users. But you could
> do so by replacing all the shell code in the 'guixr load-profile' by
> "guix environment --load-profile". :-)

Well, I want to get rid of all the shell code.  Not replace it with less shell
code. :)

And cluttering everyone's environment on our cluster with a bash function that
figures out whether to emit "guix environment --load-profile" or another guix
command seems far from optimal too.

Kind regards,
Roel Janssen