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authorLudovic Courtès <ludo@gnu.org>2014-02-09 23:46:28 +0100
committerLudovic Courtès <ludo@gnu.org>2014-02-09 23:46:28 +0100
commit06d275f67f9ad58ea041f3e31add95fe48631f50 (patch)
treec74255fab033e050a67d0e458105add4b17e2561 /gnu/system
parentf3d4af173a09b29454155def7d8058b21b83d27b (diff)
downloadguix-06d275f67f9ad58ea041f3e31add95fe48631f50.tar
guix-06d275f67f9ad58ea041f3e31add95fe48631f50.tar.gz
gnu: dmd: Add SLiM service.
* gnu/system/dmd.scm (xorg-service): Remove. (xorg-start-command, slim-service): New procedure.
Diffstat (limited to 'gnu/system')
-rw-r--r--gnu/system/dmd.scm124
1 files changed, 99 insertions, 25 deletions
diff --git a/gnu/system/dmd.scm b/gnu/system/dmd.scm
index 8fe225f0e9..c1ddec88d6 100644
--- a/gnu/system/dmd.scm
+++ b/gnu/system/dmd.scm
@@ -22,9 +22,9 @@
#:use-module (guix derivations)
#:use-module (guix records)
#:use-module ((gnu packages base)
- #:select (glibc-final))
+ #:select (glibc-final guile-final))
#:use-module ((gnu packages admin)
- #:select (mingetty inetutils shadow))
+ #:select (dmd mingetty inetutils shadow))
#:use-module ((gnu packages package-management)
#:select (guix))
#:use-module ((gnu packages linux)
@@ -32,6 +32,8 @@
#:use-module (gnu packages xorg)
#:use-module (gnu packages bash)
#:use-module (gnu packages gl)
+ #:use-module (gnu packages slim)
+ #:use-module (gnu packages ratpoison)
#:use-module (gnu system shadow) ; for user accounts/groups
#:use-module (gnu system linux) ; for PAM services
@@ -58,7 +60,8 @@
nscd-service
guix-service
static-networking-service
- xorg-service
+ xorg-start-command
+ slim-service
dmd-configuration-file))
@@ -270,8 +273,12 @@ true, it must be a string specifying the default network gateway."
`(("net-tools" ,net-tools))
'())))))))
-(define (xorg-service)
- "Return a service that starts the Xorg graphical display server."
+(define* (xorg-start-command #:key
+ (guile guile-final)
+ (xorg-server xorg-server))
+ "Return a derivation that builds a GUILE script to start the X server from
+XORG-SERVER. Usually the X server is started by a login manager."
+
(define (xserver.conf)
(text-file* "xserver.conf" "
Section \"Files\"
@@ -314,36 +321,103 @@ Section \"Screen\"
Device \"Device-vesa\"
EndSection"))
- (mlet %store-monad ((xorg-bin (package-file xorg-server "bin/X"))
+ (mlet %store-monad ((guile-bin (package-file guile "bin/guile"))
+ (xorg-bin (package-file xorg-server "bin/X"))
(dri (package-file mesa "lib/dri"))
(xkbcomp-bin (package-file xkbcomp "bin"))
(xkb-dir (package-file xkeyboard-config
"share/X11/xkb"))
- (sh (package-file bash "bin/sh"))
(config (xserver.conf)))
+ (define builder
+ ;; Write a small wrapper around the X server.
+ `(let ((out (assoc-ref %outputs "out")))
+ (call-with-output-file out
+ (lambda (port)
+ (format port "#!~a --no-auto-compile~%!#~%" ,guile-bin)
+ (write '(begin
+ (setenv "XORG_DRI_DRIVER_PATH" ,dri)
+ (setenv "XKB_BINDIR" ,xkbcomp-bin)
+
+ (apply execl
+
+ ,xorg-bin "-ac" "-logverbose" "-verbose"
+ "-xkbdir" ,xkb-dir
+ "-config" ,(derivation->output-path config)
+ "-nolisten" "tcp" "-terminate"
+
+ ;; Note: SLiM and other display managers add the
+ ;; '-auth' flag by themselves.
+ (cdr (command-line))))
+ port)))
+ (chmod out #o555)
+ #t))
+
+ (mlet %store-monad ((inputs (lower-inputs
+ `(("xorg" ,xorg-server)
+ ("xkbcomp" ,xkbcomp)
+ ("xkeyboard-config" ,xkeyboard-config)
+ ("mesa" ,mesa)
+ ("guile" ,guile)
+ ("xorg.conf" ,config)))))
+ (derivation-expression "start-xorg" builder
+ #:inputs inputs))))
+
+(define* (slim-service #:key (slim slim)
+ (allow-empty-passwords? #t) auto-login?
+ (default-user "")
+ (xauth xauth) (dmd dmd) (bash bash)
+ startx)
+ "Return a service that spawns the SLiM graphical login manager, which in
+turn start the X display server with STARTX, a command as returned by
+'xorg-start-command'.
+
+When ALLOW-EMPTY-PASSWORDS? is true, allow logins with an empty password.
+When AUTO-LOGIN? is true, log in automatically as DEFAULT-USER."
+ (define (slim.cfg)
+ ;; TODO: Run "bash -login ~/.xinitrc %session".
+ (mlet %store-monad ((startx (or startx (xorg-start-command))))
+ (text-file* "slim.cfg" "
+default_path /run/current-system/bin
+default_xserver " startx "
+xserver_arguments :0 vt7
+xauth_path " xauth "/bin/xauth
+authfile /var/run/slim.auth
+
+# The login command. '%session' is replaced by the chosen session name, one
+# of the names specified in the 'sessions' setting: 'wmaker', 'xfce', etc.
+login_cmd exec " ratpoison "/bin/ratpoison
+
+halt_cmd " dmd "/sbin/halt
+reboot_cmd " dmd "/sbin/reboot
+" (if auto-login?
+ (string-append "auto_login yes\ndefault_user " default-user)
+ ""))))
+
+ (mlet %store-monad ((slim-bin (package-file slim "bin/slim"))
+ (bash-bin (package-file bash "bin/bash"))
+ (slim.cfg (slim.cfg)))
(return
(service
- (documentation "The X11 graphic server")
+ (documentation "Xorg display server")
(provision '(xorg-server))
(requirement '(host-name))
- (start `(make-forkexec-constructor
- ;; XXX: 'make-forkexec-constructor' should allow use to specify
- ;; env vars.
- ,sh "-c" ,(string-append "XORG_DRI_DRIVER_PATH=" dri " "
- "XKB_BINDIR=" xkbcomp-bin " "
- xorg-bin " -ac -logverbose -verbose "
- "-xkbdir " xkb-dir " "
- "-config "
- (derivation->output-path config) " "
- "-nolisten tcp :0 vt7")))
+ (start
+ ;; XXX: Work around the inability to specify env. vars. directly.
+ `(make-forkexec-constructor
+ ,bash-bin "-c"
+ ,(string-append "SLIM_CFGFILE=" (derivation->output-path slim.cfg)
+ " " slim-bin
+ " -nodaemon")))
(stop `(make-kill-destructor))
- (respawn? #f)
- (inputs `(("xorg" ,xorg-server)
- ("xkbcomp" ,xkbcomp)
- ("xkeyboard-config" ,xkeyboard-config)
- ("mesa" ,mesa)
- ("bash" ,bash)
- ("xorg.conf" ,config)))))))
+ (inputs `(("slim" ,slim)
+ ("slim.cfg" ,slim.cfg)
+ ("bash" ,bash)))
+ (respawn? #t)
+ (pam-services
+ ;; Tell PAM about 'slim'.
+ (list (unix-pam-service
+ "slim"
+ #:allow-empty-passwords? allow-empty-passwords?)))))))
(define (dmd-configuration-file services etc)