* gnu/build/install.scm (directives): Remove "/bin/sh". * gnu/build/activation.scm (activate-/bin/sh): New procedure. * gnu/system.scm (operating-system-activation-script): Use it.
156 lines
6.1 KiB
Scheme
156 lines
6.1 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
|
|
;;; Copyright © 2013, 2014 Ludovic Courtès <ludo@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 build install)
|
|
#:use-module (guix build utils)
|
|
#:use-module (srfi srfi-26)
|
|
#:use-module (ice-9 match)
|
|
#:export (install-grub
|
|
populate-root-file-system
|
|
reset-timestamps
|
|
register-closure))
|
|
|
|
;;; Commentary:
|
|
;;;
|
|
;;; This module supports the installation of the GNU system on a hard disk.
|
|
;;; It is meant to be used both in a build environment (in derivations that
|
|
;;; build VM images), and on the bare metal (when really installing the
|
|
;;; system.)
|
|
;;;
|
|
;;; Code:
|
|
|
|
(define* (install-grub grub.cfg device mount-point)
|
|
"Install GRUB with GRUB.CFG on DEVICE, which is assumed to be mounted on
|
|
MOUNT-POINT."
|
|
(let* ((target (string-append mount-point "/boot/grub/grub.cfg"))
|
|
(pivot (string-append target ".new")))
|
|
(mkdir-p (dirname target))
|
|
|
|
;; Copy GRUB.CFG instead of just symlinking it since it's not a GC root.
|
|
;; Do that atomically.
|
|
(copy-file grub.cfg pivot)
|
|
(rename-file pivot target)
|
|
|
|
(unless (zero? (system* "grub-install" "--no-floppy"
|
|
"--boot-directory"
|
|
(string-append mount-point "/boot")
|
|
device))
|
|
(error "failed to install GRUB"))))
|
|
|
|
(define (evaluate-populate-directive directive target)
|
|
"Evaluate DIRECTIVE, an sexp describing a file or directory to create under
|
|
directory TARGET."
|
|
(let loop ((directive directive))
|
|
(catch 'system-error
|
|
(lambda ()
|
|
(match directive
|
|
(('directory name)
|
|
(mkdir-p (string-append target name)))
|
|
(('directory name uid gid)
|
|
(let ((dir (string-append target name)))
|
|
(mkdir-p dir)
|
|
(chown dir uid gid)))
|
|
(('directory name uid gid mode)
|
|
(loop `(directory ,name ,uid ,gid))
|
|
(chmod (string-append target name) mode))
|
|
((new '-> old)
|
|
(let try ()
|
|
(catch 'system-error
|
|
(lambda ()
|
|
(symlink old (string-append target new)))
|
|
(lambda args
|
|
;; When doing 'guix system init' on the current '/', some
|
|
;; symlinks may already exists. Override them.
|
|
(if (= EEXIST (system-error-errno args))
|
|
(begin
|
|
(delete-file (string-append target new))
|
|
(try))
|
|
(apply throw args))))))))
|
|
(lambda args
|
|
;; Usually we can only get here when installing to an existing root,
|
|
;; as with 'guix system init foo.scm /'.
|
|
(format (current-error-port)
|
|
"error: failed to evaluate directive: ~s~%"
|
|
directive)
|
|
(apply throw args)))))
|
|
|
|
(define (directives store)
|
|
"Return a list of directives to populate the root file system that will host
|
|
STORE."
|
|
`(;; Note: the store's GID is fixed precisely so we can set it here rather
|
|
;; than at activation time.
|
|
(directory ,store 0 30000 #o1775)
|
|
|
|
(directory "/etc")
|
|
(directory "/var/log") ; for dmd
|
|
(directory "/var/guix/gcroots")
|
|
(directory "/var/empty") ; for no-login accounts
|
|
(directory "/var/db") ; for dhclient, etc.
|
|
(directory "/var/run")
|
|
(directory "/run")
|
|
(directory "/mnt")
|
|
(directory "/var/guix/profiles/per-user/root" 0 0)
|
|
|
|
;; Link to the initial system generation.
|
|
("/var/guix/profiles/system" -> "system-1-link")
|
|
|
|
("/var/guix/gcroots/booted-system" -> "/run/booted-system")
|
|
("/var/guix/gcroots/current-system" -> "/run/current-system")
|
|
|
|
(directory "/bin")
|
|
(directory "/tmp" 0 0 #o1777) ; sticky bit
|
|
|
|
(directory "/root" 0 0) ; an exception
|
|
(directory "/home" 0 0)))
|
|
|
|
(define (populate-root-file-system system target)
|
|
"Make the essential non-store files and directories on TARGET. This
|
|
includes /etc, /var, /run, /bin/sh, etc., and all the symlinks to SYSTEM."
|
|
(for-each (cut evaluate-populate-directive <> target)
|
|
(directives (%store-directory)))
|
|
|
|
;; Add system generation 1.
|
|
(false-if-exception (delete-file "/var/guix/profiles/system-1-link"))
|
|
(symlink system
|
|
(string-append target "/var/guix/profiles/system-1-link")))
|
|
|
|
(define (reset-timestamps directory)
|
|
"Reset the timestamps of all the files under DIRECTORY, so that they appear
|
|
as created and modified at the Epoch."
|
|
(display "clearing file timestamps...\n")
|
|
(for-each (lambda (file)
|
|
(let ((s (lstat file)))
|
|
;; XXX: Guile uses libc's 'utime' function (not 'futime'), so
|
|
;; the timestamp of symlinks cannot be changed, and there are
|
|
;; symlinks here pointing to /gnu/store, which is the host,
|
|
;; read-only store.
|
|
(unless (eq? (stat:type s) 'symlink)
|
|
(utime file 0 0 0 0))))
|
|
(find-files directory "")))
|
|
|
|
(define (register-closure store closure)
|
|
"Register CLOSURE in STORE, where STORE is the directory name of the target
|
|
store and CLOSURE is the name of a file containing a reference graph as used
|
|
by 'guix-register'. As a side effect, this resets timestamps on store files."
|
|
(let ((status (system* "guix-register" "--prefix" store
|
|
closure)))
|
|
(unless (zero? status)
|
|
(error "failed to register store items" closure))))
|
|
|
|
;;; install.scm ends here
|