tv: lol display-manager

tv/1systems/wu.nix

@@ -29,8 +29,7 @@ with lib;
     #../2configs/consul-client.nix
     ../2configs/git.nix
     ../2configs/mail-client.nix
-    ../2configs/xserver.nix
+    ../2configs/xserver
-    ../2configs/synaptics.nix # TODO w110er if xserver is enabled
     ../2configs/test.nix
     {
       environment.systemPackages = with pkgs; [

tv/2configs/synaptics.nix

@@ -1,14 +0,0 @@
-{ config, pkgs, ... }:
-
-{
-  # TODO this is host specific
-  services.xserver.synaptics = {
-    enable = true;
-    twoFingerScroll = true;
-    accelFactor = "0.035";
-    additionalOptions = ''
-      Option "FingerHigh" "60"
-      Option "FingerLow"  "60"
-    '';
-  };
-}

tv/2configs/urlwatch.nix

@@ -47,6 +47,10 @@
 
       # ref <stockholm/krebs/3modules>, services.openssh.knownHosts.github*
       https://help.github.com/articles/what-ip-addresses-does-github-use-that-i-should-whitelist/
+
+      # <stockholm/tv/2configs/xserver/xserver.conf.nix>
+      # is derived from `configFile` in:
+      https://raw.githubusercontent.com/NixOS/nixpkgs/master/nixos/modules/services/x11/xserver.nix
     ];
   };
 }

tv/2configs/xserver.nix

@@ -1,41 +0,0 @@
-{ config, pkgs, ... }:
-
-{
-  imports = [
-    ../2configs/urxvt.nix # TODO via xserver
-  ];
-
-  services.xserver.enable = true;
-
-
-  #fonts.enableFontConfig = true;
-  #fonts.enableFontDir = true;
-  fonts.fonts = [
-    pkgs.xlibs.fontschumachermisc
-  ];
-  #services.xfs.enable = true;
-  #services.xserver.useXFS = "unix/:7100";
-
-  services.xserver.displayManager.desktopManagerHandlesLidAndPower = true;
-
-  #services.xserver.display = 11;
-  #services.xserver.tty = 11;
-  # services.xserver.layout = "us";
-  # services.xserver.xkbOptions = "eurosign:e";
-
-  #services.xserver.multitouch.enable = true;
-
-  services.xserver.windowManager.xmonad.extraPackages = hspkgs: with hspkgs; [
-    X11-xshape
-  ];
-  services.xserver.windowManager.xmonad.enable = true;
-  services.xserver.windowManager.xmonad.enableContribAndExtras = true;
-  services.xserver.windowManager.default = "xmonad";
-  services.xserver.desktopManager.default = "none";
-  services.xserver.desktopManager.xterm.enable = false;
-
-  services.xserver.displayManager.slim.enable = true;
-  #services.xserver.displayManager.auto.enable = true;
-  #services.xserver.displayManager.auto.user = "tv";
-  #services.xserver.displayManager.job.logsXsession = true;
-}

tv/2configs/xserver/default.nix

@@ -0,0 +1,126 @@
+{ config, lib, pkgs, ... }@args:
+
+with lib;
+
+let
+  # TODO krebs.build.user
+  user = config.users.users.tv;
+
+  out = {
+    services.xserver.display = 11;
+    services.xserver.tty = 11;
+
+    services.xserver.synaptics = {
+      enable = true;
+      twoFingerScroll = true;
+      accelFactor = "0.035";
+    };
+
+    fonts.fonts = [
+      pkgs.xlibs.fontschumachermisc
+    ];
+
+    systemd.services.urxvtd = {
+      wantedBy = [ "multi-user.target" ];
+      reloadIfChanged = true;
+      serviceConfig = {
+        ExecReload = need-reload "urxvtd.service";
+        ExecStart = "${pkgs.rxvt_unicode}/bin/urxvtd";
+        Restart = "always";
+        RestartSec = "2s";
+        StartLimitBurst = 0;
+        User = user.name;
+      };
+    };
+
+    environment.systemPackages = [
+      pkgs.slock
+    ];
+
+    security.setuidPrograms = [
+      "slock"
+    ];
+
+    systemd.services.display-manager = mkForce {};
+
+    services.xserver.enable = true;
+    systemd.services.xmonad = {
+      wantedBy = [ "multi-user.target" ];
+      requires = [ "xserver.service" ];
+      serviceConfig = {
+        ExecStart = "${xmonad}/bin/xmonad";
+        User = user.name;
+        WorkingDirectory = user.home;
+      };
+    };
+
+    systemd.services.xserver = {
+      after = [
+        "systemd-udev-settle.service"
+        "local-fs.target"
+        "acpid.service"
+      ];
+      reloadIfChanged = true;
+      environment = xserver-environment;
+      serviceConfig = {
+        ExecReload = need-reload "xserver.service";
+        ExecStart = "${xserver}/bin/xserver";
+      };
+    };
+  };
+
+  xmonad = let
+    pkg = pkgs.haskellPackages.callPackage src {};
+    src = pkgs.runCommand "xmonad-package" {} ''
+      ${pkgs.cabal2nix}/bin/cabal2nix ${./xmonad} > $out
+    '';
+  in pkgs.writeScriptBin "xmonad" ''
+    #! /bin/sh
+    set -efu
+    export DISPLAY; DISPLAY=:${toString config.services.xserver.display}
+    export PATH; PATH=${makeSearchPath "bin" [
+      pkgs.rxvt_unicode
+    ]}
+    settle() {(
+      # Use PATH for a clean journal
+      command=''${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 ${pkg}/bin/xmonad
+  '';
+
+  xserver-environment = {
+    XKB_BINDIR = "${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.
+    LD_LIBRARY_PATH = concatStringsSep ":" (
+      [ "${pkgs.xorg.libX11}/lib" "${pkgs.xorg.libXext}/lib" ]
+      ++ 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}";
+
+in out

tv/2configs/xserver/xmonad-tv/default.nix

@@ -1 +0,0 @@
-import ./xmonad-tv.nix

tv/2configs/xserver/xmonad/xmonad.cabal

@@ -10,7 +10,6 @@ Executable xmonad
     base,
     containers,
     filepath,
-    scanner,
     X11,
     X11-xshape,
     xmonad,

tv/2configs/xserver/xserver.conf.nix

@@ -0,0 +1,40 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+  cfg = config.services.xserver;
+in
+
+pkgs.stdenv.mkDerivation {
+  name = "xserver.conf";
+
+  xfs = optionalString (cfg.useXFS != false)
+    ''FontPath "${toString cfg.useXFS}"'';
+
+  inherit (cfg) config;
+
+  buildCommand =
+    ''
+      echo 'Section "Files"' >> $out
+      echo $xfs >> $out
+
+      for i in ${toString config.fonts.fonts}; do
+        if test "''${i:0:''${#NIX_STORE}}" == "$NIX_STORE"; then
+          for j in $(find $i -name fonts.dir); do
+            echo "  FontPath \"$(dirname $j)\"" >> $out
+          done
+        fi
+      done
+
+      for i in $(find ${toString cfg.modules} -type d); do
+        if test $(echo $i/*.so* | wc -w) -ne 0; then
+          echo "  ModulePath \"$i\"" >> $out
+        fi
+      done
+
+      echo 'EndSection' >> $out
+
+      echo "$config" >> $out
+    '';
+}