nixos-config/home-manager/xinitrc.nix

{ extra, config, ... }:
{
  home.file."bin/xinitrc" = {
    executable = true;
    text = ''
      #!/bin/sh -e
      cd "$HOME"

      if test -z "$DBUS_SESSION_BUS_ADDRESS"; then
        eval $(dbus-launch --exit-with-session --sh-syntax)
      fi
      systemctl --user import-environment DISPLAY XAUTHORITY

      if command -v dbus-update-activation-environment >/dev/null 2>&1; then
              dbus-update-activation-environment DISPLAY XAUTHORITY
      fi

  ''
  +
  (if config.i3-plasma then ''
      xwallpaper --focus ${extra.wall}
      export KDEWM=i3
  '' else "")
  +
  ''
      exec startplasma-x11
  '';
  };
}