Commit | Line | Data |
---|---|---|
db4fdc04 | 1 | ;;; GNU Guix --- Functional package management for GNU |
e87f0591 | 2 | ;;; Copyright © 2013, 2014, 2015 Ludovic Courtès <ludo@gnu.org> |
db4fdc04 LC |
3 | ;;; |
4 | ;;; This file is part of GNU Guix. | |
5 | ;;; | |
6 | ;;; GNU Guix is free software; you can redistribute it and/or modify it | |
7 | ;;; under the terms of the GNU General Public License as published by | |
8 | ;;; the Free Software Foundation; either version 3 of the License, or (at | |
9 | ;;; your option) any later version. | |
10 | ;;; | |
11 | ;;; GNU Guix is distributed in the hope that it will be useful, but | |
12 | ;;; WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | ;;; GNU General Public License for more details. | |
15 | ;;; | |
16 | ;;; You should have received a copy of the GNU General Public License | |
17 | ;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. | |
18 | ||
19 | (define-module (gnu services xorg) | |
84dfb458 | 20 | #:use-module (gnu artwork) |
db4fdc04 LC |
21 | #:use-module (gnu services) |
22 | #:use-module (gnu system linux) ; 'pam-service' | |
bdb36958 LC |
23 | #:use-module ((gnu packages base) #:select (canonical-package)) |
24 | #:use-module (gnu packages guile) | |
db4fdc04 LC |
25 | #:use-module (gnu packages xorg) |
26 | #:use-module (gnu packages gl) | |
27 | #:use-module (gnu packages slim) | |
28 | #:use-module (gnu packages ratpoison) | |
9e4eddb4 | 29 | #:use-module (gnu packages gnustep) |
5ce93d9a | 30 | #:use-module (gnu packages sawfish) |
db4fdc04 LC |
31 | #:use-module (gnu packages admin) |
32 | #:use-module (gnu packages bash) | |
b5f4e686 | 33 | #:use-module (guix gexp) |
e87f0591 | 34 | #:use-module (guix store) |
db4fdc04 LC |
35 | #:use-module (guix monads) |
36 | #:use-module (guix derivations) | |
ffc3a02b | 37 | #:use-module (guix records) |
d2e59637 LC |
38 | #:use-module (srfi srfi-1) |
39 | #:use-module (srfi srfi-26) | |
40 | #:use-module (ice-9 match) | |
db4fdc04 | 41 | #:export (xorg-start-command |
24d56899 | 42 | %default-xsessions |
ffc3a02b LC |
43 | %ratpoison-session-type |
44 | %windowmaker-session-type | |
5ce93d9a | 45 | %sawfish-session-type |
ffc3a02b LC |
46 | |
47 | session-type? | |
48 | session-type-name | |
49 | ||
0ecc3bf3 LC |
50 | %default-slim-theme |
51 | %default-slim-theme-name | |
db4fdc04 LC |
52 | slim-service)) |
53 | ||
54 | ;;; Commentary: | |
55 | ;;; | |
56 | ;;; Services that relate to the X Window System. | |
57 | ;;; | |
58 | ;;; Code: | |
59 | ||
60 | (define* (xorg-start-command #:key | |
bdb36958 | 61 | (guile (canonical-package guile-2.0)) |
f703413e | 62 | (xorg-server xorg-server) |
d2e59637 | 63 | (drivers '()) (resolutions '())) |
f703413e LC |
64 | "Return a derivation that builds a @var{guile} script to start the X server |
65 | from @var{xorg-server}. Usually the X server is started by a login manager. | |
66 | ||
67 | @var{drivers} must be either the empty list, in which case Xorg chooses a | |
68 | graphics driver automatically, or a list of driver names that will be tried in | |
d2e59637 LC |
69 | this order---e.g., @code{(\"modesetting\" \"vesa\")}. |
70 | ||
71 | Likewise, when @var{resolutions} is the empty list, Xorg chooses an | |
72 | appropriate screen resolution; otherwise, it must be a list of | |
73 | resolutions---e.g., @code{((1024 768) (640 480))}." | |
f703413e LC |
74 | |
75 | (define (device-section driver) | |
76 | (string-append " | |
77 | Section \"Device\" | |
78 | Identifier \"device-" driver "\" | |
79 | Driver \"" driver "\" | |
80 | EndSection")) | |
db4fdc04 | 81 | |
d2e59637 LC |
82 | (define (screen-section driver resolutions) |
83 | (string-append " | |
84 | Section \"Screen\" | |
85 | Identifier \"screen-" driver "\" | |
86 | Device \"device-" driver "\" | |
87 | SubSection \"Display\" | |
88 | Modes " | |
89 | (string-join (map (match-lambda | |
90 | ((x y) | |
91 | (string-append "\"" (number->string x) | |
92 | "x" (number->string y) "\""))) | |
93 | resolutions)) " | |
94 | EndSubSection | |
95 | EndSection")) | |
96 | ||
db4fdc04 LC |
97 | (define (xserver.conf) |
98 | (text-file* "xserver.conf" " | |
99 | Section \"Files\" | |
378377eb | 100 | FontPath \"" font-adobe75dpi "/share/fonts/X11/75dpi\" |
db4fdc04 | 101 | ModulePath \"" xf86-video-vesa "/lib/xorg/modules/drivers\" |
0adb027b | 102 | ModulePath \"" xf86-video-fbdev "/lib/xorg/modules/drivers\" |
3fc4eb21 | 103 | ModulePath \"" xf86-video-modesetting "/lib/xorg/modules/drivers\" |
0adb027b LC |
104 | ModulePath \"" xf86-video-cirrus "/lib/xorg/modules/drivers\" |
105 | ModulePath \"" xf86-video-intel "/lib/xorg/modules/drivers\" | |
106 | ModulePath \"" xf86-video-mach64 "/lib/xorg/modules/drivers\" | |
ca63770a | 107 | ModulePath \"" xf86-video-nouveau "/lib/xorg/modules/drivers\" |
0adb027b | 108 | ModulePath \"" xf86-video-nv "/lib/xorg/modules/drivers\" |
2c37a34c | 109 | ModulePath \"" xf86-video-sis "/lib/xorg/modules/drivers\" |
073cd609 | 110 | ModulePath \"" xf86-input-evdev "/lib/xorg/modules/input\" |
db4fdc04 | 111 | ModulePath \"" xf86-input-keyboard "/lib/xorg/modules/input\" |
0adb027b LC |
112 | ModulePath \"" xf86-input-mouse "/lib/xorg/modules/input\" |
113 | ModulePath \"" xf86-input-synaptics "/lib/xorg/modules/input\" | |
db4fdc04 LC |
114 | ModulePath \"" xorg-server "/lib/xorg/modules\" |
115 | ModulePath \"" xorg-server "/lib/xorg/modules/extensions\" | |
116 | ModulePath \"" xorg-server "/lib/xorg/modules/multimedia\" | |
117 | EndSection | |
118 | ||
119 | Section \"ServerFlags\" | |
e30442b5 | 120 | Option \"AllowMouseOpenFail\" \"on\" |
db4fdc04 | 121 | EndSection |
f703413e | 122 | " |
d2e59637 LC |
123 | (string-join (map device-section drivers) "\n") |
124 | (string-join (map (cut screen-section <> resolutions) | |
125 | drivers) | |
126 | "\n"))) | |
db4fdc04 | 127 | |
8779d342 LC |
128 | (mlet %store-monad ((config (xserver.conf))) |
129 | (define script | |
db4fdc04 | 130 | ;; Write a small wrapper around the X server. |
8779d342 LC |
131 | #~(begin |
132 | (setenv "XORG_DRI_DRIVER_PATH" (string-append #$mesa "/lib/dri")) | |
133 | (setenv "XKB_BINDIR" (string-append #$xkbcomp "/bin")) | |
134 | ||
135 | (apply execl (string-append #$xorg-server "/bin/X") | |
91cc5aff | 136 | (string-append #$xorg-server "/bin/X") ;argv[0] |
594340bc | 137 | "-logverbose" "-verbose" |
8779d342 LC |
138 | "-xkbdir" (string-append #$xkeyboard-config "/share/X11/xkb") |
139 | "-config" #$config | |
140 | "-nolisten" "tcp" "-terminate" | |
141 | ||
142 | ;; Note: SLiM and other display managers add the | |
143 | ;; '-auth' flag by themselves. | |
144 | (cdr (command-line))))) | |
145 | ||
146 | (gexp->script "start-xorg" script))) | |
db4fdc04 | 147 | |
9e4eddb4 | 148 | (define* (xinitrc #:key |
bdb36958 | 149 | (guile (canonical-package guile-2.0)) |
24d56899 SB |
150 | fallback-session) |
151 | "Return a system-wide xinitrc script that starts the specified X session, | |
152 | which should be passed to this script as the first argument. If not, the | |
153 | @var{fallback-session} will be used." | |
8779d342 LC |
154 | (define builder |
155 | #~(begin | |
156 | (use-modules (ice-9 match)) | |
157 | ||
16c33bfb LC |
158 | (define (close-all-fdes) |
159 | ;; Close all the open file descriptors except 0 to 2. | |
160 | (let loop ((fd 3)) | |
161 | (when (< fd 4096) ;FIXME: use sysconf + _SC_OPEN_MAX | |
162 | (false-if-exception (close-fdes fd)) | |
163 | (loop (+ 1 fd))))) | |
164 | ||
b2bd7c25 LC |
165 | (define (exec-from-login-shell command . args) |
166 | ;; Run COMMAND from a login shell so that it gets to see the same | |
167 | ;; environment variables that one gets when logging in on a tty, for | |
168 | ;; instance. | |
169 | (let* ((pw (getpw (getuid))) | |
170 | (shell (passwd:shell pw)) | |
171 | (st (stat command #f))) | |
172 | (when (and st (not (zero? (logand (stat:mode st) #o100)))) | |
16c33bfb LC |
173 | ;; Close any open file descriptors. This is all the more |
174 | ;; important that SLiM itself exec's us directly without closing | |
175 | ;; its own file descriptors! | |
176 | (close-all-fdes) | |
177 | ||
b2bd7c25 LC |
178 | ;; The '--login' option is supported at least by Bash and zsh. |
179 | (execl shell shell "--login" "-c" | |
180 | (string-join (cons command args)))))) | |
181 | ||
24d56899 SB |
182 | (let ((home (getenv "HOME")) |
183 | (session (match (command-line) | |
184 | ((_ x) x) | |
185 | (_ #$fallback-session)))) | |
186 | ;; First, try to run ~/.xsession. | |
187 | (exec-from-login-shell (string-append home "/.xsession")) | |
188 | ;; Then try to start the specified session. | |
189 | (exec-from-login-shell session)))) | |
8779d342 | 190 | (gexp->script "xinitrc" builder)) |
9e4eddb4 | 191 | |
0ecc3bf3 LC |
192 | \f |
193 | ;;; | |
194 | ;;; SLiM log-in manager. | |
195 | ;;; | |
196 | ||
ffc3a02b LC |
197 | (define-record-type* <session-type> session-type make-session-type |
198 | session-type? | |
199 | (name session-type-name) ;string | |
200 | (executable session-type-executable)) ;string-valued gexp | |
201 | ||
202 | (define %windowmaker-session-type | |
203 | (session-type | |
204 | (name "WindowMaker") | |
205 | (executable #~(string-append #$windowmaker "/bin/wmaker")))) | |
206 | ||
207 | (define %ratpoison-session-type | |
208 | (session-type | |
209 | (name "Ratpoison") | |
210 | (executable #~(string-append #$ratpoison "/bin/ratpoison")))) | |
211 | ||
5ce93d9a SB |
212 | (define %sawfish-session-type |
213 | (session-type | |
214 | (name "Sawfish") | |
215 | (executable #~(string-append #$sawfish "/bin/sawfish")))) | |
216 | ||
24d56899 | 217 | (define %default-xsessions |
ffc3a02b LC |
218 | ;; Default session types available to the log-in manager. |
219 | (list %windowmaker-session-type %ratpoison-session-type)) | |
24d56899 SB |
220 | |
221 | (define (xsessions-directory sessions) | |
a21b23d3 LC |
222 | "Return a directory containing SESSIONS, a list of <session-type> objects. |
223 | The alphabetical order of the files in that directory match the order of the | |
224 | elements in SESSIONS." | |
ffc3a02b LC |
225 | (define builder |
226 | #~(begin | |
a21b23d3 LC |
227 | (use-modules (srfi srfi-1) |
228 | (ice-9 format)) | |
229 | ||
ffc3a02b LC |
230 | (mkdir #$output) |
231 | (chdir #$output) | |
a21b23d3 LC |
232 | (fold (lambda (name executable number) |
233 | ;; Create file names such that the order of the items in | |
234 | ;; SESSION is respected. SLiM gets them in lexicographic | |
235 | ;; order and uses the first one as the default session. | |
236 | (let ((file (format #f "~2,'0d-~a.desktop" | |
237 | number (string-downcase name)))) | |
238 | (call-with-output-file file | |
239 | (lambda (port) | |
240 | (format port "[Desktop Entry] | |
ffc3a02b LC |
241 | Name=~a |
242 | Exec=~a | |
243 | Type=Application~%" | |
a21b23d3 LC |
244 | name executable))) |
245 | (+ 1 number))) | |
246 | 1 | |
247 | '#$(map session-type-name sessions) | |
248 | (list #$@(map session-type-executable sessions))))) | |
ffc3a02b LC |
249 | |
250 | (gexp->derivation "xsessions-dir" builder)) | |
24d56899 | 251 | |
0ecc3bf3 LC |
252 | (define %default-slim-theme |
253 | ;; Theme based on work by Felipe López. | |
254 | #~(string-append #$%artwork-repository "/slim")) | |
255 | ||
256 | (define %default-slim-theme-name | |
257 | ;; This must be the name of the sub-directory in %DEFAULT-SLIM-THEME that | |
258 | ;; contains the actual theme files. | |
259 | "0.8") | |
260 | ||
db4fdc04 LC |
261 | (define* (slim-service #:key (slim slim) |
262 | (allow-empty-passwords? #t) auto-login? | |
263 | (default-user "") | |
0ecc3bf3 LC |
264 | (theme %default-slim-theme) |
265 | (theme-name %default-slim-theme-name) | |
db4fdc04 | 266 | (xauth xauth) (dmd dmd) (bash bash) |
24d56899 SB |
267 | (sessions %default-xsessions) |
268 | (auto-login-session #~(string-append #$windowmaker | |
269 | "/bin/wmaker")) | |
db4fdc04 LC |
270 | startx) |
271 | "Return a service that spawns the SLiM graphical login manager, which in | |
51da7ca0 LC |
272 | turn starts the X display server with @var{startx}, a command as returned by |
273 | @code{xorg-start-command}. | |
db4fdc04 | 274 | |
51da7ca0 LC |
275 | When @var{allow-empty-passwords?} is true, allow logins with an empty |
276 | password. When @var{auto-login?} is true, log in automatically as | |
24d56899 | 277 | @var{default-user} with @var{auto-login-session}. |
0ecc3bf3 LC |
278 | |
279 | If @var{theme} is @code{#f}, the use the default log-in theme; otherwise | |
280 | @var{theme} must be a gexp denoting the name of a directory containing the | |
281 | theme to use. In that case, @var{theme-name} specifies the name of the | |
ffc3a02b LC |
282 | theme. |
283 | ||
284 | Last, @var{session} is a list of @code{<session-type>} objects denoting the | |
a21b23d3 LC |
285 | available session types that can be chosen from the log-in screen. The first |
286 | one is chosen by default." | |
0ecc3bf3 | 287 | |
db4fdc04 | 288 | (define (slim.cfg) |
9e4eddb4 | 289 | (mlet %store-monad ((startx (or startx (xorg-start-command))) |
24d56899 SB |
290 | (xinitrc (xinitrc #:fallback-session |
291 | auto-login-session)) | |
292 | (sessiondir (xsessions-directory sessions))) | |
db4fdc04 | 293 | (text-file* "slim.cfg" " |
b4140694 | 294 | default_path /run/current-system/profile/bin |
db4fdc04 LC |
295 | default_xserver " startx " |
296 | xserver_arguments :0 vt7 | |
297 | xauth_path " xauth "/bin/xauth | |
298 | authfile /var/run/slim.auth | |
299 | ||
300 | # The login command. '%session' is replaced by the chosen session name, one | |
301 | # of the names specified in the 'sessions' setting: 'wmaker', 'xfce', etc. | |
057d6ce5 | 302 | login_cmd exec " xinitrc " %session |
24d56899 | 303 | sessiondir " sessiondir " |
e1509174 | 304 | session_msg session (F1 to change): |
db4fdc04 LC |
305 | |
306 | halt_cmd " dmd "/sbin/halt | |
307 | reboot_cmd " dmd "/sbin/reboot | |
0ecc3bf3 LC |
308 | " |
309 | (if auto-login? | |
310 | (string-append "auto_login yes\ndefault_user " default-user "\n") | |
311 | "") | |
312 | (if theme-name | |
313 | (string-append "current_theme " theme-name "\n") | |
314 | "")))) | |
db4fdc04 | 315 | |
b5f4e686 | 316 | (mlet %store-monad ((slim.cfg (slim.cfg))) |
db4fdc04 LC |
317 | (return |
318 | (service | |
319 | (documentation "Xorg display server") | |
320 | (provision '(xorg-server)) | |
8dbab712 | 321 | (requirement '(user-processes host-name udev)) |
db4fdc04 | 322 | (start |
47b73c34 LC |
323 | #~(lambda () |
324 | ;; A stale lock file can prevent SLiM from starting, so remove it | |
325 | ;; to be on the safe side. | |
326 | (false-if-exception (delete-file "/var/run/slim.lock")) | |
327 | ||
328 | (fork+exec-command | |
329 | (list (string-append #$slim "/bin/slim") "-nodaemon") | |
330 | #:environment-variables | |
0ecc3bf3 LC |
331 | (list (string-append "SLIM_CFGFILE=" #$slim.cfg) |
332 | #$@(if theme | |
333 | (list #~(string-append "SLIM_THEMESDIR=" #$theme)) | |
334 | #~()))))) | |
b5f4e686 | 335 | (stop #~(make-kill-destructor)) |
db4fdc04 LC |
336 | (respawn? #t) |
337 | (pam-services | |
338 | ;; Tell PAM about 'slim'. | |
339 | (list (unix-pam-service | |
340 | "slim" | |
341 | #:allow-empty-passwords? allow-empty-passwords?))))))) | |
342 | ||
343 | ;;; xorg.scm ends here |