From: ludo@gnu.org (Ludovic Courtès)
To: Mikhail Kryshen <mikhail@kryshen.net>
Cc: help-guix@gnu.org
Subject: Re: Problem using multiple manifest files
Date: Mon, 15 Oct 2018 14:10:48 +0200 [thread overview]
Message-ID: <87sh17e7g7.fsf@gnu.org> (raw)
In-Reply-To: <878t3162vu.fsf@seashell.localdomain> (Mikhail Kryshen's message of "Sat, 13 Oct 2018 22:52:05 +0300")
Hello,
Mikhail Kryshen <mikhail@kryshen.net> skribis:
> Here is an example of a manifest file that loads multiple manifests and
> composes them into one:
>
> ----------------------------------------------------------------------
> (use-modules (srfi srfi-1)
> ((guix ui) #:select (make-user-module)))
>
> (define (load-manifest file)
> ;; Load manifest file in a fresh module with necessary imports.
> (let ((module (make-user-module '((guix profiles) (gnu)))))
> (save-module-excursion
> (lambda _
> (set-current-module module)
> (load (canonicalize-path file))))))
>
> (define (combined-manifest-from-files . files)
> (fold (lambda (file combined)
> (manifest-add combined
> (manifest-entries (load-manifest file))))
> (manifest '())
> files))
>
> (combined-manifest-from-files
> "emacs.scm"
> "xorg.scm"
> "etc.scm")
> ----------------------------------------------------------------------
Nice example!
Ludo’.
next prev parent reply other threads:[~2018-10-15 12:10 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-12 21:50 Problem using multiple manifest files Thaddäus Töppen
2018-10-13 4:08 ` Ricardo Wurmus
2018-10-13 19:52 ` Mikhail Kryshen
2018-10-15 12:10 ` Ludovic Courtès [this message]
2018-10-20 19:53 ` Chris Marusich
2018-10-22 18:39 ` Mikhail Kryshen
2018-10-23 8:07 ` Chris Marusich
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