4dfe6c58ee
* gnu/services/dmd.scm (dmd-configuration-file): Remove 'etc' parameter. Move /etc activation code to... * guix/build/activation.scm: ... here; new file. * gnu/system.scm (operating-system-boot-script): Augment script: add (guix build activation) to the load path; call 'activate-etc'. * Makefile.am (MODULES): Add guix/build/activation.scm.
309 lines
12 KiB
Scheme
309 lines
12 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2013, 2014 Ludovic Courtès <ludo@gnu.org>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (gnu system)
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#:use-module (guix store)
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#:use-module (guix monads)
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#:use-module (guix gexp)
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#:use-module (guix records)
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#:use-module (guix packages)
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#:use-module (guix derivations)
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#:use-module (gnu packages base)
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#:use-module (gnu packages bash)
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#:use-module (gnu packages admin)
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#:use-module (gnu packages package-management)
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#:use-module (gnu services)
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#:use-module (gnu services dmd)
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#:use-module (gnu services base)
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#:use-module (gnu system grub)
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#:use-module (gnu system shadow)
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#:use-module (gnu system linux)
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#:use-module (gnu system linux-initrd)
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#:use-module (ice-9 match)
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#:use-module (srfi srfi-1)
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#:use-module (srfi srfi-26)
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#:export (operating-system
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operating-system?
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operating-system-services
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operating-system-packages
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operating-system-bootloader-entries
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operating-system-host-name
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operating-system-kernel
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operating-system-initrd
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operating-system-users
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operating-system-groups
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operating-system-packages
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operating-system-timezone
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operating-system-locale
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operating-system-services
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operating-system-derivation
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operating-system-profile))
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;;; Commentary:
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;;;
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;;; This module supports whole-system configuration.
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;;;
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;;; Code:
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;; System-wide configuration.
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;; TODO: Add per-field docstrings/stexi.
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(define-record-type* <operating-system> operating-system
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make-operating-system
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operating-system?
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(kernel operating-system-kernel ; package
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(default linux-libre))
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(bootloader operating-system-bootloader ; package
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(default grub))
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(bootloader-entries operating-system-bootloader-entries ; list
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(default '()))
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(initrd operating-system-initrd ; monadic derivation
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(default (gnu-system-initrd)))
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(host-name operating-system-host-name) ; string
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(file-systems operating-system-file-systems ; list of fs
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(default '()))
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(users operating-system-users ; list of user accounts
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(default '()))
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(groups operating-system-groups ; list of user groups
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(default (list (user-group
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(name "root")
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(id 0))
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(user-group
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(name "users")
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(id 100)
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(members '("guest"))))))
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(packages operating-system-packages ; list of (PACKAGE OUTPUT...)
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(default (list coreutils ; or just PACKAGE
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grep
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sed
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findutils
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guile
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bash
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(@ (gnu packages dmd) dmd)
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guix
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tzdata)))
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(timezone operating-system-timezone) ; string
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(locale operating-system-locale) ; string
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(services operating-system-services ; list of monadic services
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(default %base-services)))
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;;;
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;;; Derivation.
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;;;
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(define* (union inputs
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#:key (guile (%guile-for-build)) (system (%current-system))
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(name "union"))
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"Return a derivation that builds the union of INPUTS. INPUTS is a list of
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input tuples."
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(define builder
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#~(begin
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(use-modules (guix build union))
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(define inputs '#$inputs)
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(setvbuf (current-output-port) _IOLBF)
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(setvbuf (current-error-port) _IOLBF)
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(format #t "building union `~a' with ~a packages...~%"
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#$output (length inputs))
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(union-build #$output inputs)))
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(gexp->derivation name builder
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#:system system
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#:modules '((guix build union))
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#:guile-for-build guile
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#:local-build? #t))
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(define* (file-union name files)
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"Return a derivation that builds a directory containing all of FILES. Each
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item in FILES must be a list where the first element is the file name to use
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in the new directory, and the second element is a gexp denoting the target
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file."
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(define builder
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#~(begin
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(mkdir #$output)
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(chdir #$output)
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#$@(map (match-lambda
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((target source)
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#~(symlink #$source #$target)))
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files)))
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(gexp->derivation name builder))
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(define* (etc-directory #:key
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(locale "C") (timezone "Europe/Paris")
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(accounts '())
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(groups '())
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(pam-services '())
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(profile "/var/run/current-system/profile"))
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"Return a derivation that builds the static part of the /etc directory."
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(mlet* %store-monad
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((passwd (passwd-file accounts))
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(shadow (passwd-file accounts #:shadow? #t))
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(group (group-file groups))
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(pam.d (pam-services->directory pam-services))
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(login.defs (text-file "login.defs" "# Empty for now.\n"))
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(shells (text-file "shells" ; used by xterm and others
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"\
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/bin/sh
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/run/current-system/bin/sh
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/run/current-system/bin/bash\n"))
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(issue (text-file "issue" "
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This is an alpha preview of the GNU system. Welcome.
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This image features the GNU Guix package manager, which was used to
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build it (http://www.gnu.org/software/guix/). The init system is
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GNU dmd (http://www.gnu.org/software/dmd/).
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You can log in as 'guest' or 'root' with no password.
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"))
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;; TODO: Generate bashrc from packages' search-paths.
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(bashrc (text-file* "bashrc" "
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export PS1='\\u@\\h\\$ '
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export LC_ALL=\"" locale "\"
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export TZ=\"" timezone "\"
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export TZDIR=\"" tzdata "/share/zoneinfo\"
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export PATH=$HOME/.guix-profile/bin:" profile "/bin:" profile "/sbin
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export CPATH=$HOME/.guix-profile/include:" profile "/include
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export LIBRARY_PATH=$HOME/.guix-profile/lib:" profile "/lib
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alias ls='ls -p --color'
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alias ll='ls -l'
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")))
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(file-union "etc"
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`(("services" ,#~(string-append #$net-base "/etc/services"))
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("protocols" ,#~(string-append #$net-base "/etc/protocols"))
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("rpc" ,#~(string-append #$net-base "/etc/rpc"))
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("pam.d" ,#~#$pam.d)
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("login.defs" ,#~#$login.defs)
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("issue" ,#~#$issue)
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("shells" ,#~#$shells)
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("profile" ,#~#$bashrc)
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("localtime" ,#~(string-append #$tzdata "/share/zoneinfo/"
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#$timezone))
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("passwd" ,#~#$passwd)
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("shadow" ,#~#$shadow)
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("group" ,#~#$group)))))
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(define (operating-system-profile os)
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"Return a derivation that builds the default profile of OS."
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;; TODO: Replace with a real profile with a manifest.
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(union (operating-system-packages os)
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#:name "default-profile"))
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(define (operating-system-accounts os)
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"Return the user accounts for OS, including an obligatory 'root' account."
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(mlet %store-monad ((services (sequence %store-monad
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(operating-system-services os))))
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(return (cons (user-account
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(name "root")
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(password "")
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(uid 0) (gid 0)
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(comment "System administrator")
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(home-directory "/root"))
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(append (operating-system-users os)
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(append-map service-user-accounts
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services))))))
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(define (operating-system-etc-directory os)
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"Return that static part of the /etc directory of OS."
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(mlet* %store-monad
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((services (sequence %store-monad (operating-system-services os)))
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(pam-services ->
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;; Services known to PAM.
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(delete-duplicates
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(cons %pam-other-services
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(append-map service-pam-services services))))
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(accounts (operating-system-accounts os))
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(profile-drv (operating-system-profile os))
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(groups -> (append (operating-system-groups os)
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(append-map service-user-groups services))))
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(etc-directory #:accounts accounts #:groups groups
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#:pam-services pam-services
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#:locale (operating-system-locale os)
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#:timezone (operating-system-timezone os)
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#:profile profile-drv)))
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(define (operating-system-boot-script os)
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"Return the boot script for OS---i.e., the code started by the initrd once
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we're running in the final root."
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(mlet* %store-monad
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((services (sequence %store-monad (operating-system-services os)))
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(etc (operating-system-etc-directory os))
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(modules (imported-modules '((guix build activation))))
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(compiled (compiled-modules '((guix build activation))))
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(dmd-conf (dmd-configuration-file services)))
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(gexp->file "boot"
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#~(begin
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(eval-when (expand load eval)
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;; Make sure 'use-modules' below succeeds.
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(set! %load-path (cons #$modules %load-path))
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(set! %load-compiled-path
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(cons #$compiled %load-compiled-path)))
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(use-modules (guix build activation))
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;; Populate /etc.
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(activate-etc #$etc)
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;; Start dmd.
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(execl (string-append #$dmd "/bin/dmd")
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"dmd" "--config" #$dmd-conf)))))
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(define (operating-system-derivation os)
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"Return a derivation that builds OS."
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(mlet* %store-monad
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((profile (operating-system-profile os))
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(etc (operating-system-etc-directory os))
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(services (sequence %store-monad (operating-system-services os)))
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(boot (operating-system-boot-script os))
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(kernel -> (operating-system-kernel os))
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(initrd (operating-system-initrd os))
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(initrd-file -> #~(string-append #$initrd "/initrd"))
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(entries -> (list (menu-entry
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(label (string-append
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"GNU system with "
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(package-full-name kernel)
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" (technology preview)"))
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(linux kernel)
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(linux-arguments
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(list "--root=/dev/sda1"
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#~(string-append "--load=" #$boot)))
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(initrd initrd-file))))
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(grub.cfg (grub-configuration-file entries)))
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(file-union "system"
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`(("boot" ,#~#$boot)
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("kernel" ,#~#$kernel)
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("initrd" ,initrd-file)
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("profile" ,#~#$profile)
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("grub.cfg" ,#~#$grub.cfg)
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("etc" ,#~#$etc)))))
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;;; system.scm ends here
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