338 lines
8.9 KiB
Nix
338 lines
8.9 KiB
Nix
{ stdenv, writeText, lib, xorg, mesa, xterm, slim, gnome
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, compiz, feh
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, kdelibs, kdebase
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, xkeyboard_config
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, openssh, x11_ssh_askpass
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, nvidiaDrivers, libX11, libXext
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, config
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, # Virtual console for the X server.
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tty ? 7
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, # X display number.
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display ? 0
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, # List of font directories.
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fontDirectories
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}:
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let
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getCfg = option: config.get ["services" "xserver" option];
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getCfg2 = option: config.get (["services" "xserver"] ++ option);
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optional = condition: x: if condition then [x] else [];
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#Beryl parameters
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#berylcore
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#berylmanager
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#berylemerald
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# Get a bunch of user settings.
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videoDriver = getCfg "videoDriver";
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resolutions = map (res: "\"${toString res.x}x${toString res.y}\"") (getCfg "resolutions");
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sessionType = getCfg "sessionType";
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sessionStarter = getCfg "sessionStarter";
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sessionCmd =
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if sessionType == "" then sessionStarter else
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if sessionType == "xterm" then "${xterm}/bin/xterm -ls" else
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if sessionType == "gnome" then "${gnome.gnometerminal}/bin/gnome-terminal -ls" else
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abort ("unknown session type "+ sessionType);
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windowManager =
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let wm = getCfg "windowManager"; in
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if wm != "" then wm else
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if sessionType == "gnome" then "metacity" else
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if sessionType == "kde" then "none" /* started by startkde */ else
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"twm";
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modules =
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optional (videoDriver == "nvidia") nvidiaDrivers ++ #make sure it first loads the nvidia libs
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[
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xorg.xorgserver
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xorg.xf86inputkeyboard
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xorg.xf86inputmouse
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]
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++ optional (videoDriver == "vesa") xorg.xf86videovesa
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++ optional (videoDriver == "sis") xorg.xf86videosis
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++ optional (videoDriver == "i810") xorg.xf86videoi810
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++ optional (videoDriver == "intel") xorg.xf86videointel;
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configFile = stdenv.mkDerivation {
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name = "xserver.conf";
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src = ./xserver.conf;
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inherit fontDirectories videoDriver resolutions;
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buildCommand = "
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buildCommand= # urgh, don't substitute this
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export fontPaths=
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for i in $fontDirectories; do
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if test \"\${i:0:\${#NIX_STORE}}\" == \"$NIX_STORE\"; then
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for j in $(find $i -name fonts.dir); do
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fontPaths=\"\${fontPaths}FontPath \\\"$(dirname $j)\\\"\\n\"
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done
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fi
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done
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export modulePaths=
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for i in $(find ${toString modules} -type d); do
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if ls $i/*.so 2> /dev/null; then
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modulePaths=\"\${modulePaths}ModulePath \\\"$i\\\"\\n\"
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fi
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done
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#if only my gf were this dirty
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if test \"${toString videoDriver}\" == \"nvidia\"; then
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export moduleSection=\"Load \\\"glx\\\" \\n \\
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SubSection \\\"extmod\\\" \\n \\
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Option \\\"omit xfree86-dga\\\" \\n \\
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EndSubSection \\n \"
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export screen=\"Option \\\"AddARGBGLXVisuals\\\" \\\"true\\\" \\n \\
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Option \\\"DisableGLXRootClipping\\\" \\\"true\\\" \\n \"
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export device=\"Option \\\"RenderAccel\\\" \\\"true\\\" \\n \\
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Option \\\"AllowGLXWithComposite\\\" \\\"true\\\" \\n \\
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Option \\\"AddARGBGLXVisuals\\\" \\\"true\\\" \\n \"
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export extensions=\"Option \\\"Composite\\\" \\\"Enable\\\" \\n \"
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else
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export moduleSection='Load \"glx\" \\n \\
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Load \"dri\" '
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export screen=
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export device=
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export extensions=
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fi
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substituteAll $src $out
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";
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};
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clientScript = writeText "xclient" "
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source /etc/profile
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exec > $HOME/.Xerrors 2>&1
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### Load X defaults.
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if test -e ~/.Xdefaults; then
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${xorg.xrdb}/bin/xrdb -merge ~/.Xdefaults
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fi
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${if getCfg "startSSHAgent" then "
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### Start the SSH agent.
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export SSH_ASKPASS=${x11_ssh_askpass}/libexec/x11-ssh-askpass
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eval $(${openssh}/bin/ssh-agent)
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" else ""}
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### Start a window manager.
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${if windowManager == "twm" then "
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${xorg.twm}/bin/twm &
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"
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else if windowManager == "metacity" then "
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env LD_LIBRARY_PATH=${libX11}/lib:${libXext}/lib:/usr/lib/
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# !!! Hack: load the schemas for Metacity.
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GCONF_CONFIG_SOURCE=xml::~/.gconf ${gnome.GConf}/bin/gconftool-2 \\
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--makefile-install-rule ${gnome.metacity}/etc/gconf/schemas/*.schemas
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${gnome.metacity}/bin/metacity &
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"
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else if windowManager == "kwm" then "
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${kdebase}/bin/kwin &
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"
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else if windowManager == "compiz" then "
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# !!! Hack: load the schemas for Compiz.
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GCONF_CONFIG_SOURCE=xml::~/.gconf ${gnome.GConf}/bin/gconftool-2 \\
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--makefile-install-rule ${compiz}/etc/gconf/schemas/*.schemas
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# !!! Hack: turn on most Compiz modules.
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${gnome.GConf}/bin/gconftool-2 -t list --list-type=string \\
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--set /apps/compiz/general/allscreens/options/active_plugins \\
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[gconf,png,decoration,wobbly,fade,minimize,move,resize,cube,switcher,rotate,place,scale,water]
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# Start Compiz and the GTK-style window decorator.
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env LD_LIBRARY_PATH=${libX11}/lib:${libXext}/lib:/usr/lib/
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${compiz}/bin/compiz gconf &
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${compiz}/bin/gtk-window-decorator --sync &
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"
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#else if windowManager == "beryl" then "
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# ${berylmanager}/bin/beryl-manager &
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#"
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else if windowManager == "none" then "
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# The session starter will start the window manager.
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"
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else abort ("unknown window manager " + windowManager)}
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### Show a background image.
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# (but not if we're starting a full desktop environment that does it for us)
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${if sessionType != "kde" then "
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if test -e $HOME/.background-image; then
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${feh}/bin/feh --bg-scale $HOME/.background-image
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fi
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" else ""}
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### Start the session.
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${if sessionType == "kde" then "
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# Start KDE.
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export KDEDIRS=${kdebase}:${kdelibs}
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export XDG_CONFIG_DIRS=${kdebase}/etc/xdg:${kdelibs}/etc/xdg
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export XDG_DATA_DIRS=${kdebase}/share
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exec ${kdebase}/bin/startkde
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" else "
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# For all other session types, we currently just start a
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# terminal of the kind indicated by sessionCmd.
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# !!! yes, this means that you 'log out' by killing the X server.
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while ${sessionCmd}; do
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sleep 1
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done
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"}
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"; # */ <- hack to fix syntax highlighting
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xserverArgs = [
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"-ac"
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"-logverbose"
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"-verbose"
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"-nolisten tcp"
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"-terminate"
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"-logfile" "/var/log/X.${toString display}.log"
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"-config ${configFile}"
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":${toString display}" "vt${toString tty}"
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"-xkbdir" "${xkeyboard_config}/etc/X11/xkb"
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];
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# Note: lines must not be indented.
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slimConfig = writeText "slim.cfg" "
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xauth_path ${xorg.xauth}/bin/xauth
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default_xserver ${xorg.xorgserver}/bin/X
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xserver_arguments ${toString xserverArgs}
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login_cmd exec ${stdenv.bash}/bin/sh ${clientScript}
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";
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# Unpack the SLiM theme, or use the default.
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slimThemesDir =
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let
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theme = getCfg2 ["slim" "theme"];
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unpackedTheme = stdenv.mkDerivation {
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name = "slim-theme";
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buildCommand = "
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ensureDir $out
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cd $out
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unpackFile ${theme}
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ln -s * default
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";
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};
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in if theme == null then "${slim}/share/slim/themes" else unpackedTheme;
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in
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rec {
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name = "xserver";
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extraPath = [
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xorg.xrandr
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xorg.xrdb
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xorg.setxkbmap
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feh
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]
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++ optional (windowManager == "twm") [
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xorg.twm
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]
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++ optional (windowManager == "metacity") [
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gnome.metacity
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]
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++ optional (windowManager == "compiz") [
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compiz
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]
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#++ optional (windowManager == "beryl") [
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# berylcore berylmanager berylemerald
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#]
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++ optional (sessionType == "xterm") [
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xterm
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]
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++ optional (sessionType == "gnome") [
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gnome.gnometerminal
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gnome.GConf
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gnome.gconfeditor
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]
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++ optional (sessionType == "kde") [
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kdelibs
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kdebase
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xorg.iceauth # absolutely required by dcopserver
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xorg.xset # used by startkde, non-essential
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];
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extraEtc =
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optional (sessionType == "kde")
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{ source = "${xkeyboard_config}/etc/X11/xkb";
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target = "X11/xkb";
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};
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job = "
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start on network-interfaces
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start script
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rm -f /var/run/opengl-driver
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${if videoDriver == "nvidia"
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then "ln -sf ${nvidiaDrivers} /var/run/opengl-driver"
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else if getCfg "driSupport"
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then "ln -sf ${mesa} /var/run/opengl-driver"
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else ""
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}
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rm -f /var/log/slim.log
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end script
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env SLIM_CFGFILE=${slimConfig}
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env SLIM_THEMESDIR=${slimThemesDir}
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env FONTCONFIG_FILE=/etc/fonts/fonts.conf # !!! cleanup
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env XKB_BINDIR=${xorg.xkbcomp}/bin # Needed for the Xkb extension.
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env LD_LIBRARY_PATH=${libX11}/lib:${libXext}/lib:/usr/lib/ # related to xorg-sys-opengl - needed to load libglx for (AI)GLX support (for compiz)
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${if videoDriver == "nvidia"
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then "env XORG_DRI_DRIVER_PATH=${nvidiaDrivers}/X11R6/lib/modules/drivers/"
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else if getCfg "driSupport"
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then "env XORG_DRI_DRIVER_PATH=${mesa}/lib/modules/dri"
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else ""
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}
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exec ${slim}/bin/slim
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";
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}
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