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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2020 Danny Milosavljevic <dannym@scratchpost.org>
;;; Copyright © 2024 Janneke Nieuwenhuizen <janneke@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
(define-module (gnu packages heads)
#:use-module ((guix licenses) #:prefix license:)
#:use-module (guix build-system gnu)
#:use-module (guix build-system trivial)
#:use-module (guix packages)
#:use-module (guix download)
#:use-module (guix git-download)
#:use-module (guix utils)
#:use-module (gnu packages)
#:use-module (gnu packages admin)
#:use-module (gnu packages algebra)
#:use-module (gnu packages assembly)
#:use-module (gnu packages autotools)
#:use-module (gnu packages base)
#:use-module (gnu packages bash)
#:use-module (gnu packages compression)
#:use-module (gnu packages flex)
#:use-module (gnu packages bison)
#:use-module (gnu packages elf)
#:use-module (gnu packages m4)
#:use-module (gnu packages curl)
#:use-module (gnu packages linux)
#:use-module (gnu packages multiprecision)
#:use-module (gnu packages python)
#:use-module (gnu packages cpio)
#:use-module (gnu packages file)
#:use-module (gnu packages perl)
#:use-module (gnu packages version-control)
#:use-module (gnu packages virtualization)
#:use-module ((guix build utils) #:select (alist-replace))
#:use-module (srfi srfi-1))
;; This package provides a "dev.cpio" file usable as a base for booting Heads.
(define-public heads-dev-cpio
(package
(name "heads-dev-cpio")
(version "0.1")
(source #f)
(build-system trivial-build-system)
(arguments
`(#:modules ((guix build utils)
(guix build syscalls)
(guix cpio))
#:builder (begin
(use-modules (guix build utils)
(guix cpio)
(srfi srfi-26))
(mkdir-p "dev") ; input directory.
(let* ((out (assoc-ref %outputs "out"))
(libexec (string-append out "/libexec")))
(mkdir-p libexec)
(call-with-output-file (string-append libexec "/dev.cpio")
(lambda (port)
(write-cpio-archive '("dev" "dev/console") port
#:file->header
(lambda (name)
(if (string=? "dev/console" name)
(special-file->cpio-header* name 'char-special 5 1 #o600)
(file->cpio-header* name))))))
#t))))
(synopsis "@file{dev.cpio} for Heads")
(description "This package provides a @file{dev.cpio} file usable as a
base for heads' initrd.")
(home-page "https://osresearch.net/")
(license license:bsd-2)))
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