2013-12-09 21:32:36 +01:00
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;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2013 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 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 linux-initrd)
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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 system)
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#:use-module (gnu packages package-management)
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#:use-module (gnu system dmd)
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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 (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-derivation))
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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
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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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2013-12-09 23:45:27 +01:00
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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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2013-12-09 21:32:36 +01:00
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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
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(let ((motd (text-file "motd" "
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This is the GNU operating system, welcome!\n\n")))
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(list (mingetty-service "tty1" #:motd motd)
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(mingetty-service "tty2" #:motd motd)
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(mingetty-service "tty3" #:motd motd)
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(mingetty-service "tty4" #:motd motd)
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(mingetty-service "tty5" #:motd motd)
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(mingetty-service "tty6" #:motd motd)
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(syslog-service)
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(guix-service)
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(nscd-service)
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;; QEMU networking settings.
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(static-networking-service "eth0" "10.0.2.10"
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#:name-servers '("10.0.2.3")
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#:gateway "10.0.2.2"))))))
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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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(setvbuf (current-output-port) _IOLBF)
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(setvbuf (current-error-port) _IOLBF)
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(let ((output (assoc-ref %outputs "out"))
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(inputs (map cdr %build-inputs)))
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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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(mlet %store-monad
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((inputs (sequence %store-monad
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(map (match-lambda
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2013-12-09 23:45:27 +01:00
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((or ((? package? p)) (? package? p))
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(mlet %store-monad
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((drv (package->derivation p system)))
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(return `(,name ,drv))))
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2013-12-09 23:45:27 +01:00
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(((? package? p) output)
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2013-12-09 21:32:36 +01:00
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(mlet %store-monad
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((drv (package->derivation p system)))
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(return `(,name ,drv ,output))))
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(x
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(return x)))
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inputs))))
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(derivation-expression name builder
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#:system system
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#:inputs inputs
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#:modules '((guix build union))
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#:guile-for-build guile)))
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(define* (file-union files
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#:key (inputs '()) (name "file-union"))
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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 the target file.
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The subset of FILES corresponding to plain store files is automatically added
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as an inputs; additional inputs, such as derivations, are taken from INPUTS."
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(mlet %store-monad ((inputs (lower-inputs inputs)))
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(let* ((outputs (append-map (match-lambda
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((_ (? derivation? drv))
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(list (derivation->output-path drv)))
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((_ (? derivation? drv) sub-drv ...)
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(map (cut derivation->output-path drv <>)
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sub-drv))
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(_ '()))
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inputs))
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(inputs (append inputs
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(filter (match-lambda
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((_ file)
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;; Elements of FILES that are store
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;; files and that do not correspond to
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;; the output of INPUTS are considered
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;; inputs (still here?).
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(and (direct-store-path? file)
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(not (member file outputs)))))
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files))))
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(derivation-expression name
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`(let ((out (assoc-ref %outputs "out")))
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(mkdir out)
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(chdir out)
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,@(map (match-lambda
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((name target)
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`(symlink ,target ,name)))
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files))
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#:inputs inputs))))
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(define (links inputs)
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"Return a directory with symbolic links to all of INPUTS. This is
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essentially useful when one wants to keep references to all of INPUTS, be they
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directories or regular files."
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(define builder
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'(begin
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(use-modules (srfi srfi-1))
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(let ((out (assoc-ref %outputs "out")))
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(mkdir out)
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(chdir out)
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(fold (lambda (file number)
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(symlink file (number->string number))
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(+ 1 number))
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0
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(map cdr %build-inputs))
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#t)))
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(mlet %store-monad ((inputs (lower-inputs inputs)))
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(derivation-expression "links" builder
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#:inputs inputs)))
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(define* (etc-directory #:key
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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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((services (package-file net-base "etc/services"))
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(protocols (package-file net-base "etc/protocols"))
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(rpc (package-file net-base "etc/rpc"))
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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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(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" (string-append "
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export PS1='\\u@\\h\\$ '
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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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(files -> `(("services" ,services)
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("protocols" ,protocols)
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("rpc" ,rpc)
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("pam.d" ,(derivation->output-path pam.d))
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("login.defs" ,login.defs)
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("issue" ,issue)
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("profile" ,bashrc)
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("passwd" ,passwd)
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("shadow" ,shadow)
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("group" ,group))))
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(file-union files
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#:inputs `(("net" ,net-base)
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("pam.d" ,pam.d))
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#:name "etc")))
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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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((services (sequence %store-monad
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(cons (host-name-service
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(operating-system-host-name os))
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(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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(bash-file (package-file bash "bin/bash"))
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(dmd-file (package-file (@ (gnu packages system) dmd) "bin/dmd"))
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(accounts -> (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 "/"))
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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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(groups -> (append (operating-system-groups os)
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(append-map service-user-groups services)))
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(packages -> (operating-system-packages os))
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;; TODO: Replace with a real profile with a manifest.
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(profile-drv (union packages
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#:name "default-profile"))
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(profile -> (derivation->output-path profile-drv))
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(etc-drv (etc-directory #:accounts accounts #:groups groups
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#:pam-services pam-services
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#:profile profile))
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(etc -> (derivation->output-path etc-drv))
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(dmd-conf (dmd-configuration-file services etc))
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(boot (text-file "boot"
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(object->string
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`(execl ,dmd-file "dmd"
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"--config" ,dmd-conf))))
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(kernel -> (operating-system-kernel os))
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(kernel-dir (package-file kernel))
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(initrd -> (operating-system-initrd os))
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(initrd-file (package-file 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 `("--root=/dev/vda1"
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,(string-append "--load=" boot)))
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(initrd initrd))))
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(grub.cfg (grub-configuration-file entries))
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(extras (links (delete-duplicates
|
2013-12-09 22:29:01 +01:00
|
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|
(append (append-map service-inputs services)
|
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|
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|
(append-map user-account-inputs accounts))))))
|
2013-12-09 21:32:36 +01:00
|
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|
|
(file-union `(("boot" ,boot)
|
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|
("kernel" ,kernel-dir)
|
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|
("initrd" ,initrd-file)
|
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|
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|
|
("dmd.conf" ,dmd-conf)
|
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|
|
("profile" ,profile)
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|
|
("grub.cfg" ,grub.cfg)
|
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|
("etc" ,etc)
|
2013-12-09 22:29:01 +01:00
|
|
|
|
("system-inputs" ,(derivation->output-path extras)))
|
2013-12-09 21:32:36 +01:00
|
|
|
|
#:inputs `(("kernel" ,kernel)
|
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|
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|
|
("initrd" ,initrd)
|
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|
|
("bash" ,bash)
|
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|
|
("profile" ,profile-drv)
|
|
|
|
|
|
("etc" ,etc-drv)
|
2013-12-09 22:29:01 +01:00
|
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|
|
("system-inputs" ,extras))
|
2013-12-09 21:32:36 +01:00
|
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|
|
#:name "system")))
|
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;;; system.scm ends here
|
