{ config, pkgs, ... }:

{

# var.var = value; ## (semicolon!)

imports = [ ./hardware-configuration.nix ];
system.stateVersion = "17.09"; ## systemvar: change only if update process says so.

nix.useSandbox = true;
nix.buildCores = 0; ## means all available
nix.maxJobs = 4;

nixpkgs.config.allowUnfree = true; ## no objections.

## allow pkgs from unstable - prepend these with "unstable." like this:  "unstable.package"
## needs that unstable repository channel is added, with nickname "nixos-unstable"
nixpkgs.config.packageOverrides = pkgs: { unstable = import <nixos-unstable> { config = config.nixpkgs.config; }; };

environment.systemPackages = with pkgs; [
## console stuff
bash
bc
binutils
curl
f2fs-tools
file
fuse
gamin
gpm
hdparm
htop
libva-full
## libtxc_dxtn ## not needed, if s3tcSupport is set
links2
manpages
mc
ntfs3g
openssh
pciutils
smartmontools
sudo
udisks2
unrar
unzip
wget
zip
zlib
## desktop-level services
desktop_file_utils
glxinfo
icedtea_web
networkmanager
## hplip ## not needed, pulled by printing.drivers
pavucontrol
pamixer
pulseaudioFull
radeon-profile
## desktop stuff
unstable.ark
unstable.audacity
unstable.gwenview
unstable.inkscape
unstable.gimp-with-plugins
unstable.gsmartcontrol
libreoffice-fresh
unstable.kate
unstable.keepassx-community
unstable.konversation
unstable.krename-qt5
unstable.leafpad
unstable.obs-studio
unstable.palemoon ## stable palemoon often segfaults.
unstable.smplayer
unstable.smtube
## teamviewer ## unstable refuses to build currently. ## stable has 404.
unstable.unetbootin
unstable.zim
## games stuff
doomseeker ## unstable build fails.
freeorion ## unstable build fails.
unstable.openarena ### stable - no desktop file!
unstable.urbanterror ### stable - no desktop file!
unstable.zandronum ### stable - no desktop file!
];

programs.bash.enableCompletion = true;
programs.mtr.enable = true;
programs.gnupg.agent.enable = true;
programs.gnupg.agent.enableSSHSupport = true;

services.acpid.enable = true;
services.locate.enable = true;
services.nixosManual.showManual = true;
services.ntp.enable = true;
services.openssh.enable = true;
services.printing.enable = true;
services.printing.drivers = with pkgs; [ hplip ];
services.teamviewer.enable = true;
services.xserver.enable = true;
services.xserver.desktopManager.xterm.enable = false;
services.xserver.videoDrivers = [ "radeon" ]; # "nvidia-beta" "intel"
services.xserver.layout = "gb,de,ru";
services.xserver.xkbOptions = "eurosign:e";
## services.xserver.libinput.enable = false;
services.xserver.displayManager.sddm.enable = true;
services.xserver.desktopManager.plasma5.enable = true;

hardware.bluetooth.enable = true;
hardware.pulseaudio.enable = true;
hardware.pulseaudio.package = pkgs.pulseaudioFull;
hardware.pulseaudio.support32Bit = true;
hardware.opengl.driSupport32Bit = true;
hardware.opengl.s3tcSupport = true;
hardware.opengl.extraPackages = with pkgs; [ vaapiIntel vaapiVdpau libvdpau-va-gl ];
hardware.opengl.extraPackages32 = with pkgs; [ vaapiIntel vaapiVdpau libvdpau-va-gl ];
hardware.sane.enable = true;

boot.loader.grub.device = "/dev/disk/by-id/wwn-0x5000c500af989f69"; ## look up with "ls -l /dev/disk/by-id/" and lsblk. Make sure that "-part" are not used, those would be partitions.
boot.loader.grub.enable = true;
boot.loader.grub.version = 2;
boot.kernel.sysctl = { "vm.swappiness" = 10; };
boot.cleanTmpDir = true;

## fileSystems."/media/data-disk".label = "SGT1G-DATA";
fileSystems."/media/data-disk".device = "/dev/disk/by-id/wwn-0x5000c500af989f69-part3";
fileSystems."/media/data-disk".options = [ "defaults" "data=journal" "relatime" ];

## fileSystems."/".device = "SGT1G-ROOT";
## fileSystems."/".device = "/dev/disk/by-id/wwn-0x5000c500af989f69-part2"; not needed, because hardware-configuration autodetects it.
fileSystems."/".options = [ "defaults" "data=journal" "relatime" ];

networking.dhcpcd.enable = false;
networking.firewall.enable = false;
networking.hostName = "nix01";
networking.networkmanager.enable = true;
## networking.wireless.enable = true;  ## conflicts with networkmanager

environment.variables.EDITOR = pkgs.lib.mkOverride 0 "nano";

i18n.consoleFont = "Lat2-Terminus16";
i18n.consoleKeyMap = "de"; ## "us"
i18n.defaultLocale = "de_DE.UTF-8"; ## "en_US.UTF-8";
time.timeZone = "Europe/Berlin";

users.mutableUsers = true;

users.extraUsers.userp.isNormalUser = true;
users.extraUsers.userp.uid = 1000;
users.extraUsers.userp.initialPassword = "123123";
users.extraUsers.userp.extraGroups = ["wheel" "networkmanager" "docker" "vboxusers"]; ## do I need docker?!

}