GNU bug report logs - #50960
[PATCH 00/10] Add 'guix shell' to subsume 'guix environment'

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From: Liliana Marie Prikler <liliana.prikler <at> gmail.com>
To: Ludovic Courtès <ludo <at> gnu.org>, 50960 <at> debbugs.gnu.org
Subject: [bug#50960] [PATCH 04/10] DRAFT shell: By default load the local 'guix.scm' or 'manifest.scm' file.
Date: Sat, 02 Oct 2021 13:52:03 +0200

Hi,

Am Samstag, den 02.10.2021, 12:22 +0200 schrieb Ludovic Courtès:
> [...]
> +(define (auto-detect-manifest opts)
> +  "If OPTS do not specify packages or a manifest, load a
> \"guix.scm\" or
> +\"manifest.scm\" file from the current directory or one of its
> ancestors.
> +Return the modified OPTS."
> +  (define (options-contain-payload? opts)
> +    (match opts
> +      (() #f)
> +      ((('package . _) . _) #t)
> +      ((('load . _) . _) #t)
> +      ((('manifest . _) . _) #t)
> +      ((('expression . _) . _) #t)
> +      ((_ . rest) (options-contain-payload? rest))))
> +
> +  (if (options-contain-payload? opts)
> +      opts
> +      (match (find-file-in-parent-directories '("guix.scm"
> "manifest.scm"))
> +        (#f
> +         (warning (G_ "no packages specified; creating an empty
> environment~%"))
> +         opts)
> +        (file
> +         (info (G_ "loading environment from '~a'...~%") file)
> +         (match (basename file)
> +           ("guix.scm"
> +            (alist-cons 'load `(package ,file) opts))
> +           ("manifest.scm"
> +            (alist-cons 'manifest file opts)))))))
> [...]
What would happen on the top-level of the Guix source tree or deep
inside the tree of a guile package that deals with manifests, that
aren't necessarily related to Guix?  I think we should try searching
for something less ambiguous first (".guix-shell/manifest" perhaps?)
and maybe also provide further options after manifest.scm (e.g. build-
aux/guix.scm or etc/guix.scm)

WDYT?

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