2 files changed, 61 insertions, 53 deletions

diff --git a/tv/2configs/xserver/Xmodmap.nix b/tv/2configs/xserver/Xmodmap.nix
new file mode 100644
index 000000000..02b6c730e
--- /dev/null
+++ b/tv/2configs/xserver/Xmodmap.nix
@@ -0,0 +1,27 @@
+{ config, pkgs, ... }:
+
+with config.krebs.lib;
+
+pkgs.writeText "Xmodmap" ''
+  !keycode 66 = Caps_Lock
+  !remove Lock = Caps_Lock
+  clear Lock
+
+  ! caps lock
+  keycode  66 = Mode_switch
+
+  keycode  13 = 4 dollar EuroSign cent
+  keycode  30 = u U udiaeresis Udiaeresis
+  keycode  32 = o O odiaeresis Odiaeresis
+  keycode  38 = a A adiaeresis Adiaeresis
+  keycode  39 = s S ssharp
+
+  keycode  33 = p P Greek_pi Greek_PI
+  keycode  46 = l L Greek_lambda Greek_LAMBDA
+
+  keycode  54 = c C cacute Cacute
+
+  !                       BULLET OPERATOR
+  keycode 17 = 8 asterisk U2219
+  keycode 27 = r R r U211D
+''
diff --git a/tv/2configs/xserver/default.nix b/tv/2configs/xserver/default.nix
index 4b936f473..b5b116786 100644
--- a/tv/2configs/xserver/default.nix
+++ b/tv/2configs/xserver/default.nix
@@ -37,15 +37,21 @@ let
       pkgs.ff
       pkgs.gitAndTools.qgit
       pkgs.mpv
-      pkgs.slock
       pkgs.sxiv
       pkgs.xsel
       pkgs.zathura
     ];
 
-    security.setuidPrograms = [
-      "slock"
-    ];
+    # TODO dedicated group, i.e. with a single user
+    # TODO krebs.setuid.slock.path vs /var/setuid-wrappers
+    krebs.setuid.slock = {
+      filename = "${pkgs.slock}/bin/slock";
+      group = "wheel";
+      envp = {
+        DISPLAY = ":${toString config.services.xserver.display}";
+        USER = user.name;
+      };
+    };
 
     systemd.services.display-manager.enable = false;
 
@@ -56,8 +62,8 @@ let
       requires = [ "xserver.service" ];
       environment = xmonad-environment;
       serviceConfig = {
-        ExecStart = "${xmonad-start}/bin/xmonad";
-        ExecStop = "${xmonad-stop}/bin/xmonad-stop";
+        ExecStart = "${pkgs.xmonad-tv}/bin/xmonad-tv";
+        ExecStop = "${pkgs.xmonad-tv}/bin/xmonad-tv --shutdown";
         User = user.name;
         WorkingDirectory = user.home;
       };
@@ -73,13 +79,30 @@ let
       environment = xserver-environment;
       serviceConfig = {
         ExecReload = need-reload "xserver.service";
-        ExecStart = "${xserver}/bin/xserver";
+        ExecStart = toString [
+          "${pkgs.xorg.xorgserver}/bin/X"
+          ":${toString config.services.xserver.display}"
+          "vt${toString config.services.xserver.tty}"
+          "-config ${import ./xserver.conf.nix args}"
+          "-logfile /var/log/X.${toString config.services.xserver.display}.log"
+          "-nolisten tcp"
+          "-xkbdir ${pkgs.xkeyboard_config}/etc/X11/xkb"
+        ];
       };
     };
   };
 
   xmonad-environment = {
     DISPLAY = ":${toString config.services.xserver.display}";
+
+    XMONAD_STARTUP_HOOK = pkgs.writeDash "xmonad-startup-hook" ''
+      ${pkgs.xorg.xhost}/bin/xhost +LOCAL: &
+      ${pkgs.xorg.xmodmap}/bin/xmodmap ${import ./Xmodmap.nix args} &
+      ${pkgs.xorg.xrdb}/bin/xrdb -merge ${import ./Xresources.nix args} &
+      ${pkgs.xorg.xsetroot}/bin/xsetroot -solid '#1c1c1c' &
+      wait
+    '';
+
     XMONAD_STATE = "/tmp/xmonad.state";
 
     # XXX JSON is close enough :)
@@ -96,34 +119,6 @@ let
     ]);
   };
 
-  xmonad-start = pkgs.writeScriptBin "xmonad" ''
-    #! ${pkgs.bash}/bin/bash
-    set -efu
-    export PATH; PATH=${makeSearchPath "bin" [
-      # TODO put paths into a Haskell module instead of PATH
-      pkgs.alsaUtils
-      pkgs.rxvt_unicode
-    ]}:/var/setuid-wrappers
-    settle() {(
-      # Use PATH for a clean journal
-      command=''${1##*/}
-      PATH=''${1%/*}; export PATH
-      shift
-      until "$command" "$@"; do
-        ${pkgs.coreutils}/bin/sleep 1
-      done
-    )&}
-    settle ${pkgs.xorg.xhost}/bin/xhost +LOCAL:
-    settle ${pkgs.xorg.xrdb}/bin/xrdb -merge ${import ./Xresources.nix args}
-    settle ${pkgs.xorg.xsetroot}/bin/xsetroot -solid '#1c1c1c'
-    exec ${pkgs.xmonad-tv}/bin/xmonad
-  '';
-
-  xmonad-stop = pkgs.writeScriptBin "xmonad-stop" ''
-    #! /bin/sh
-    exec ${pkgs.xmonad-tv}/bin/xmonad --shutdown
-  '';
-
   xserver-environment = {
     XKB_BINDIR = "${pkgs.xorg.xkbcomp}/bin"; # Needed for the Xkb extension.
     XORG_DRI_DRIVER_PATH = "/run/opengl-driver/lib/dri"; # !!! Depends on the driver selected at runtime.
@@ -132,23 +127,9 @@ let
       ++ concatLists (catAttrs "libPath" config.services.xserver.drivers));
   };
 
-  xserver = pkgs.writeScriptBin "xserver" ''
-    #! /bin/sh
-    set -efu
-    exec ${pkgs.xorg.xorgserver}/bin/X \
-        :${toString config.services.xserver.display} \
-        vt${toString config.services.xserver.tty} \
-        -config ${import ./xserver.conf.nix args} \
-        -logfile /var/log/X.${toString config.services.xserver.display}.log \
-        -nolisten tcp \
-        -xkbdir ${pkgs.xkeyboard_config}/etc/X11/xkb \
-  '';
-
-  need-reload = s: let
-    pkg = pkgs.writeScriptBin "need-reload" ''
-      #! /bin/sh
-      echo "$*"
-    '';
-  in "${pkg}/bin/need-reload ${s}";
+  need-reload = s: toString [
+    "${pkgs.writeDashBin "need-reload" ''echo "$*"''}/bin/need-reload"
+    (shell.escape s)
+  ];
 
 in out