From 06d275f67f9ad58ea041f3e31add95fe48631f50 Mon Sep 17 00:00:00 2001 From: Ludovic Courtès Date: Sun, 9 Feb 2014 23:46:28 +0100 Subject: gnu: dmd: Add SLiM service. * gnu/system/dmd.scm (xorg-service): Remove. (xorg-start-command, slim-service): New procedure. --- gnu/system/dmd.scm | 124 ++++++++++++++++++++++++++++++++++++++++++----------- 1 file changed, 99 insertions(+), 25 deletions(-) (limited to 'gnu') 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) -- cgit v1.2.3