Hi Tomas,

On Fri, 20 Mar 2026 at 08:50, Ludovic Courtès <[email protected]> wrote:

> Maybe you can use a channel instead of -L?

For your use-case, it seems the way to go: Tweak the directory you pass
to the command-line option -L/--load-path in order to get a channel and
then,

    guix time-machine -C channels.scm -- shell -CN -m manifest.scm

and all is cached! :-) Here, the file channels.scm can mention a local
Git repository.  However, IIRC, file:/// is very very slow – because
some libgit2 bug – and should be avoided, I guess.

Cheers,
simon



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