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services: xorg: Make 'xorg-configuration-file' public.

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* gnu/services/xorg.scm (xorg-configuration-file): New procedure, with code
  formerly in 'xorg-start-command'.
  (xorg-start-command): Remove #:drivers and #:resolutions; add
  #:configuration-file; use it as well as 'xorg-configuration-file'.
This commit is contained in:
Ludovic Courtès 2015-05-21 18:02:01 +02:00
parent a4b1a6b65e
commit d1cdd7ba7a
2 changed files with 35 additions and 17 deletions
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16
doc/guix.texi
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@ -5250,13 +5250,23 @@ The G-Expression denoting the default SLiM theme and its name.
@end defvr
@deffn {Monadic Procedure} xorg-start-command [#:guile] @
[#:drivers '()] [#:resolutions '()] [#:xorg-server @var{xorg-server}]
[#:configuration-file #f] [#:xorg-server @var{xorg-server}]
Return a derivation that builds a @var{guile} script to start the X server
from @var{xorg-server}. Usually the X server is started by a login manager.
from @var{xorg-server}. @var{configuration-file} is the server configuration
file or a derivation that builds it; when omitted, the result of
@code{xorg-configuration-file} is used.
Usually the X server is started by a login manager.
@end deffn
@deffn {Monadic Procedure} xorg-configuration-file @
[#:drivers '()] [#:resolutions '()]
Return a configuration file for the Xorg server containing search paths for
all the common drivers.
@var{drivers} must be either the empty list, in which case Xorg chooses a
graphics driver automatically, or a list of driver names that will be tried in
this order---e.g., @code{("modesetting" "vesa")}.
this order---e.g., @code{(\"modesetting\" \"vesa\")}.
Likewise, when @var{resolutions} is the empty list, Xorg chooses an
appropriate screen resolution; otherwise, it must be a list of

36
gnu/services/xorg.scm
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@ -37,7 +37,8 @@
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-26)
#:use-module (ice-9 match)
#:export (xorg-start-command
#:export (xorg-configuration-file
xorg-start-command
%default-slim-theme
%default-slim-theme-name
slim-service))
@ -48,12 +49,9 @@
;;;
;;; Code:
(define* (xorg-start-command #:key
(guile (canonical-package guile-2.0))
(xorg-server xorg-server)
(drivers '()) (resolutions '()))
"Return a derivation that builds a @var{guile} script to start the X server
from @var{xorg-server}. Usually the X server is started by a login manager.
(define* (xorg-configuration-file #:key (drivers '()) (resolutions '()))
"Return a configuration file for the Xorg server containing search paths for
all the common drivers.
@var{drivers} must be either the empty list, in which case Xorg chooses a
graphics driver automatically, or a list of driver names that will be tried in
@ -62,7 +60,6 @@ this order---e.g., @code{(\"modesetting\" \"vesa\")}.
Likewise, when @var{resolutions} is the empty list, Xorg chooses an
appropriate screen resolution; otherwise, it must be a list of
resolutions---e.g., @code{((1024 768) (640 480))}."
(define (device-section driver)
(string-append "
Section \"Device\"
@ -78,15 +75,14 @@ Section \"Screen\"
SubSection \"Display\"
Modes "
(string-join (map (match-lambda
((x y)
(string-append "\"" (number->string x)
"x" (number->string y) "\"")))
((x y)
(string-append "\"" (number->string x)
"x" (number->string y) "\"")))
resolutions)) "
EndSubSection
EndSection"))
(define (xserver.conf)
(text-file* "xserver.conf" "
(text-file* "xserver.conf" "
Section \"Files\"
FontPath \"" font-adobe75dpi "/share/fonts/X11/75dpi\"
ModulePath \"" xf86-video-vesa "/lib/xorg/modules/drivers\"
@ -116,7 +112,19 @@ EndSection
drivers)
"\n")))
(mlet %store-monad ((config (xserver.conf)))
(define* (xorg-start-command #:key
(guile (canonical-package guile-2.0))
configuration-file
(xorg-server xorg-server))
"Return a derivation that builds a @var{guile} script to start the X server
from @var{xorg-server}. @var{configuration-file} is the server configuration
file or a derivation that builds it; when omitted, the result of
@code{xorg-configuration-file} is used.
Usually the X server is started by a login manager."
(mlet %store-monad ((config (if configuration-file
(return configuration-file)
(xorg-configuration-file))))
(define script
;; Write a small wrapper around the X server.
#~(begin