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system: grub: Search root device by label or UUID if possible.

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Fixes <http://bugs.gnu.org/22281>.
Reported by Christopher Allan Webber <cwebber@dustycloud.org>.

* gnu/system/grub.scm (eye-candy): Add 'root-fs' parameter.  Replace
'search --file' command in the output with whatever 'grub-root-search'
returns.
(grub-root-search): New procedure.
(grub-configuration-file): Add 'store-fs' parameter.  Use
'grub-root-search' instead of hard-coded 'search --file' commands.
* gnu/system.scm (store-file-system,
operating-system-store-file-system): New procedures.
(operating-system-grub.cfg): Use it, and adjust call to
'grub-configuration-file'.
* tests/system.scm: New file.
* Makefile.am (SCM_TESTS): Add it.
This commit is contained in:
Ludovic Courtès 2016-01-21 22:45:54 +01:00
parent 3738d8700f
commit 6b779207ee
4 changed files with 143 additions and 15 deletions
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tests/system.scm Normal file
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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2016 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 (test-system)
#:use-module (gnu)
#:use-module (guix store)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-64))
;; Test the (gnu system) module.
(define %root-fs
(file-system
(device "my-root")
(title 'label)
(mount-point "/")
(type "ext4")))
(define %os
(operating-system
(host-name "komputilo")
(timezone "Europe/Berlin")
(locale "en_US.utf8")
(bootloader (grub-configuration (device "/dev/sdX")))
(file-systems (cons %root-fs %base-file-systems))
(users %base-user-accounts)))
(test-begin "system")
(test-assert "operating-system-store-file-system"
;; %BASE-FILE-SYSTEMS defines a bind-mount for /gnu/store, but this
;; shouldn't be a problem.
(eq? %root-fs
(operating-system-store-file-system %os)))
(test-assert "operating-system-store-file-system, prefix"
(let* ((gnu (file-system
(device "foobar")
(mount-point (dirname (%store-prefix)))
(type "ext5")))
(os (operating-system
(inherit %os)
(file-systems (cons* gnu %root-fs
%base-file-systems)))))
(eq? gnu (operating-system-store-file-system os))))
(test-assert "operating-system-store-file-system, store"
(let* ((gnu (file-system
(device "foobar")
(mount-point (%store-prefix))
(type "ext5")))
(os (operating-system
(inherit %os)
(file-systems (cons* gnu %root-fs
%base-file-systems)))))
(eq? gnu (operating-system-store-file-system os))))
(test-end)
(exit (= (test-runner-fail-count (test-runner-current)) 0))