projects/guix·blob version-1.1.0 · refs

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1;;; GNU Guix --- Functional package management for GNU
2;;; Copyright © 2017 David Craven <[email protected]>
3;;; Copyright © 2017 Mathieu Othacehe <[email protected]>
4;;; Copyright © 2017 Leo Famulari <[email protected]>
5;;; Copyright © 2019 Ludovic Courtès <[email protected]>
6;;;
7;;; This file is part of GNU Guix.
8;;;
9;;; GNU Guix is free software; you can redistribute it and/or modify it
10;;; under the terms of the GNU General Public License as published by
11;;; the Free Software Foundation; either version 3 of the License, or (at
12;;; your option) any later version.
13;;;
14;;; GNU Guix is distributed in the hope that it will be useful, but
15;;; WITHOUT ANY WARRANTY; without even the implied warranty of
16;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17;;; GNU General Public License for more details.
18;;;
19;;; You should have received a copy of the GNU General Public License
20;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
21
22(define-module (gnu bootloader)
23 #:use-module (guix discovery)
24 #:use-module (guix records)
25 #:use-module (guix ui)
26 #:use-module (srfi srfi-1)
27 #:use-module (ice-9 match)
28 #:export (menu-entry
29 menu-entry?
30 menu-entry-label
31 menu-entry-device
32 menu-entry-linux
33 menu-entry-linux-arguments
34 menu-entry-initrd
35 menu-entry-device-mount-point
36
37 menu-entry->sexp
38 sexp->menu-entry
39
40 bootloader
41 bootloader?
42 bootloader-name
43 bootloader-package
44 bootloader-installer
45 bootloader-configuration-file
46 bootloader-configuration-file-generator
47
48 bootloader-configuration
49 bootloader-configuration?
50 bootloader-configuration-bootloader
51 bootloader-configuration-target
52 bootloader-configuration-menu-entries
53 bootloader-configuration-default-entry
54 bootloader-configuration-timeout
55 bootloader-configuration-keyboard-layout
56 bootloader-configuration-theme
57 bootloader-configuration-terminal-outputs
58 bootloader-configuration-terminal-inputs
59 bootloader-configuration-serial-unit
60 bootloader-configuration-serial-speed
61 bootloader-configuration-additional-configuration
62
63 %bootloaders
64 lookup-bootloader-by-name))
65
66
67;;;
68;;; Menu-entry record.
69;;;
70
71(define-record-type* <menu-entry>
72 menu-entry make-menu-entry
73 menu-entry?
74 (label menu-entry-label)
75 (device menu-entry-device ; file system uuid, label, or #f
76 (default #f))
77 (device-mount-point menu-entry-device-mount-point
78 (default #f))
79 (linux menu-entry-linux)
80 (linux-arguments menu-entry-linux-arguments
81 (default '())) ; list of string-valued gexps
82 (initrd menu-entry-initrd)) ; file name of the initrd as a gexp
83
84(define (menu-entry->sexp entry)
85 "Return ENTRY serialized as an sexp."
86 (match entry
87 (($ <menu-entry> label device mount-point linux linux-arguments initrd)
88 `(menu-entry (version 0)
89 (label ,label)
90 (device ,device)
91 (device-mount-point ,mount-point)
92 (linux ,linux)
93 (linux-arguments ,linux-arguments)
94 (initrd ,initrd)))))
95
96(define (sexp->menu-entry sexp)
97 "Turn SEXP, an sexp as returned by 'menu-entry->sexp', into a <menu-entry>
98record."
99 (match sexp
100 (('menu-entry ('version 0)
101 ('label label) ('device device)
102 ('device-mount-point mount-point)
103 ('linux linux) ('linux-arguments linux-arguments)
104 ('initrd initrd) _ ...)
105 (menu-entry
106 (label label)
107 (device device)
108 (device-mount-point mount-point)
109 (linux linux)
110 (linux-arguments linux-arguments)
111 (initrd initrd)))))
112
113
114;;;
115;;; Bootloader record.
116;;;
117
118;; The <bootloader> record contains fields expressing how the bootloader
119;; should be installed. Every bootloader in gnu/bootloader/ directory
120;; has to be described by this record.
121
122(define-record-type* <bootloader>
123 bootloader make-bootloader
124 bootloader?
125 (name bootloader-name)
126 (package bootloader-package)
127 (installer bootloader-installer)
128 (configuration-file bootloader-configuration-file)
129 (configuration-file-generator bootloader-configuration-file-generator))
130
131
132;;;
133;;; Bootloader configuration record.
134;;;
135
136;; The <bootloader-configuration> record contains bootloader independant
137;; configuration used to fill bootloader configuration file.
138
139(define-record-type* <bootloader-configuration>
140 bootloader-configuration make-bootloader-configuration
141 bootloader-configuration?
142 (bootloader bootloader-configuration-bootloader) ;<bootloader>
143 (target bootloader-configuration-target ;string
144 (default #f))
145 (menu-entries bootloader-configuration-menu-entries ;list of <menu-entry>
146 (default '()))
147 (default-entry bootloader-configuration-default-entry ;integer
148 (default 0))
149 (timeout bootloader-configuration-timeout ;seconds as integer
150 (default 5))
151 (keyboard-layout bootloader-configuration-keyboard-layout ;<keyboard-layout> | #f
152 (default #f))
153 (theme bootloader-configuration-theme ;bootloader-specific theme
154 (default #f))
155 (terminal-outputs bootloader-configuration-terminal-outputs ;list of symbols
156 (default '(gfxterm)))
157 (terminal-inputs bootloader-configuration-terminal-inputs ;list of symbols
158 (default '()))
159 (serial-unit bootloader-configuration-serial-unit ;integer | #f
160 (default #f))
161 (serial-speed bootloader-configuration-serial-speed ;integer | #f
162 (default #f)))
163
164
165;;;
166;;; Bootloaders.
167;;;
168
169(define (bootloader-modules)
170 "Return the list of bootloader modules."
171 (all-modules (map (lambda (entry)
172 `(,entry . "gnu/bootloader"))
173 %load-path)
174 #:warn warn-about-load-error))
175
176(define %bootloaders
177 ;; The list of publically-known bootloaders.
178 (delay (fold-module-public-variables (lambda (obj result)
179 (if (bootloader? obj)
180 (cons obj result)
181 result))
182 '()
183 (bootloader-modules))))
184
185(define (lookup-bootloader-by-name name)
186 "Return the bootloader called NAME."
187 (or (find (lambda (bootloader)
188 (eq? name (bootloader-name bootloader)))
189 (force %bootloaders))
190 (leave (G_ "~a: no such bootloader~%") name)))