168 lines
4.4 KiB
Nix
168 lines
4.4 KiB
Nix
{pkgs, config, ...}:
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let
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inherit (pkgs.lib) mkOption mergeOneOption optionals filter concatMap concatMapStrings;
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cfg = config.services.xserver;
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xorg = cfg.package;
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# file provided by services.xserver.displayManager.session.script
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xsession = wm: dm: pkgs.writeText "xsession" ''
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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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${if cfg.startSSHAgent then ''
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### Start the SSH agent.
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export SSH_ASKPASS=${pkgs.x11_ssh_askpass}/libexec/x11-ssh-askpass
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eval $(${pkgs.openssh}/bin/ssh-agent)
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'' else ""}
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### Allow user to override system-wide configuration
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if test -f ~/.xsession; then
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source ~/.xsession;
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fi
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# this script expect to have as first argument the following input
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# "desktop-manager + window-manager".
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arg="$1"
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# extract the window manager.
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windowManager="''${arg##* + }"
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: ''${windowManager:=${cfg.windowManager.default}}
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# extract the desktop manager.
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desktopManager="''${arg% + *}"
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: ''${desktopManager:=${cfg.desktopManager.default}}
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# used to restart the xserver.
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waitPID=0
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# handle window manager starts.
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case $windowManager in
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${concatMapStrings (s: "
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(${s.name})
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${s.start}
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;;
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") wm}
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(*) echo "$0: Window manager '$windowManager' not found.";;
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esac
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# handle desktop manager starts.
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case $desktopManager in
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${concatMapStrings (s: "
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(${s.name})
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${s.start}
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;;
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") dm}
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(*) echo "$0: Desktop manager '$desktopManager' not found.";;
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esac
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test "$waitPID" != 0 && wait "$waitPID"
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exit
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'';
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in
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{
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# list of display managers.
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require = [
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(import ./slim.nix)
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];
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services = {
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xserver = {
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displayManager = {
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xauthBin = mkOption {
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default = "${xorg.xauth}/bin/xauth";
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description = "
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Path to the xauth binary used by display managers.
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";
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};
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xserverBin = mkOption {
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default = "${xorg.xorgserver}/bin/X";
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description = "
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Path to the xserver binary used by display managers.
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";
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};
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xserverArgs = mkOption {
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default = [];
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example = [
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"-ac"
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"-logverbose"
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"-nolisten tcp"
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];
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description = "
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List of arguments which have to be pass to when
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the display manager start the xserver.
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";
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apply = toString;
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};
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session = mkOption {
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default = [];
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example = [
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{
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manage = "desktop";
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name = "xterm";
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start = "
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${pkgs.xterm}/bin/xterm -ls &
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waitPID=$!
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";
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}
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];
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description = ''
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List of session supported with the command used to start each
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session. Each session script can set the
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<varname>waitPID</varname> shell variable to make this script
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waiting until the end of the user session. Each script is used
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to define either a windows manager or a desktop manager. These
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can be differentiated by setting the attribute
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<varname>manage</varname> either to <literal>"window"</literal>
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or <literal>"desktop"</literal>.
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The list of desktop manager and window manager should appear
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inside the display manager with the desktop manager name
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followed by the window manager name.
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'';
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apply = list: rec {
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wm = filter (s: s.manage == "window") list;
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dm = filter (s: s.manage == "desktop") list;
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names = concatMap (d: map (w: d.name + " + " + w.name) wm) dm;
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script = xsession wm dm;
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};
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};
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job = mkOption {
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default = {};
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example = {
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beforeScript = ''
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rm -f /var/log/slim.log
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'';
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env = ''
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env SLIM_CFGFILE=/etc/slim.conf
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'';
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execCmd = "${pkgs.slim}/bin/slim";
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};
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description = "
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List of arguments which have to be pass to when
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the display manager start the xserver.
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";
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merge = mergeOneOption;
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};
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};
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};
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};
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}
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