configuration.nix

# Edit this configuration file to define what should be installed on
# your system.  Help is available in the configuration.nix(5) man page
# and in the NixOS manual (accessible by running ‘nixos-help’).


{ config, pkgs, ... }:

{

  imports = [./hardware-configuration.nix];

  #bootloader
  boot.loader = {
    systemmd-boot.enable = true;
    efi = {
      canTouchEfiVariables = true;
      efiSysMountPoint = "/boot";
    };
    grub = {
      devices = [ "nodev" ];
      efiSupport = true;
      enable = true;
      # set $FS_UUID to the UUID of the EFI partition
      extraEntries = ''
        menuentry "Windows" {
          insmod part_gpt
          insmod fat
          insmod search_fs_uuid
          insmod chain
          search --fs-uuid --set=root 191420B0-5F7D-4365-805A-167B5875B08B
          chainloader /EFI/Microsoft/Boot/bootmgfw.efi
        }
      '';
      version = 2;
    };
  };

  #network
  networking = {
    hostName = "nixos";
    useDHCP = false;
    interfaces.enp4s0.useDHCP = true;
  };

  #sound
  sound.enable = true;
  hardware.pulseaudio = {
    enable = true;
    package = pkgs.pulseaudioFull;
  };

  #3d acceleration for 32bit applications
  hardware.opengl.driSupport32Bit = true;
  hardware.opengl.driSupport = true;
  hardware.opengl.enable = true;

  #packages
  nixpkgs.config.allowUnfree = true;
  environment.systemPackages = with pkgs; [
    #audio
    apulse  # allows ALSA applications to use pulse
    pavucontrol  # PulseAudio volume control

    #tools
    p7zip
    sudo
    zip
    unzip
    zsh
    wget
    usbutils

    vim
    curl
    killall
    git
    htop
    firefox
  ];

  #time
  time.timeZone = "America/Cuiaba"

  #x11
  services.xserver = {
    enable = true;
    # nvidia
    videoDrivers = [ "nvidia" ];
    # i3-gaps
    desktopManager = {
      default = "none";
      xterm.enable = false;
    };
    windowManager.i3 = {
      enable = true;
      package = pkgs.i3-gaps;
      extraPackages = with pkgs; [
        rofi
        dmenu
        feh       # for background image
        i3lock    # screen lock
        i3status  # sys info  
        scrot     # for screenshot
     ];
    };
    displayManager = {
      sessionCommands = "i3status &";
    };
  };

  # user
  # Define a user account. Don't forget to set a password with ‘passwd’.
  users.users.cpappen = {
    createHome = true;
    extraGroups = ["wheel" "networkmanager" "audio" "networkmanager" "users" "video" "vboxusers" ];
    group = "users";
    home = "/home/cpappen";
    isNormalUser = true;
    shell = pkgs.zsh;
    uid = 1000;
  };

  # This value determines the NixOS release with which your system is to be
  # compatible, in order to avoid breaking some software such as database
  # servers. You should change this only after NixOS release notes say you
  # should.
  system.stateVersion = "19.09"; # Did you read the comment?
}