mio-ops/profiles/host_common.nix

# Configuration common to all my servers
{
  config,
  pkgs,
  lib,
  ...
}: {
  imports = [
    ../profiles/bash.nix
    ./chrony.nix
    ../profiles/neovim.nix
    ../profiles/logrotate.nix
    ./tmux.nix
    ./zsh.nix
  ];

  # Common boot settings
  boot.tmp.cleanOnBoot = true; # Clean /tmp on reboot

  # Select internationalisation properties.
  i18n = {
    defaultLocale = "en_AU.UTF-8"; # Set the default locale
  };

  # Set the defaul console properties
  console = {
    keyMap = "us"; # Set the default console key map
    font = "ter-powerline-v32n"; # Set the default console font
    packages = with pkgs; [powerline-fonts];
  };

  time.timeZone = "Australia/Brisbane"; # Set your preferred timezone:
  documentation.nixos.enable = false; # Disable documentation, save space

  # Set security options:
  security.sudo.enable = true;
  security.sudo.wheelNeedsPassword = false;

  # Configure and install required fonts
  fonts = {
    enableDefaultPackages = true;
    fontDir.enable = true;
    packages = with pkgs; [
      powerline-fonts # Required for Powerline prompts
      powerline-symbols # Powerline symbols
    ];
    fontconfig.includeUserConf = false;
  };

  # Adapted from gchristensen and clever
  nix = {
    nixPath = [
      # Ruin the config so we don't accidentally run
      # nixos-rebuild switch on the host
      (let
        cfg = pkgs.writeText "configuration.nix" ''
          assert builtins.trace "This system is managed by NixOps." false;
          {}
        '';
      in "nixos-config=${cfg}")

      # Copy the channel version from the deploy host to the target
      "nixpkgs=/run/current-system/nixpkgs"
    ];
    gc = {
      automatic = true; # Enable Nix garbage collection:
      dates = "weekly";
      options = "--delete-older-than 90d";
    };
    extraOptions = ''
      show-trace = true                 # Enable --show-trace by default for nix
      builders-use-substitutes = true   # Set builders to use caches
    '';
    settings = {
      trusted-users = ["craige"];
      auto-optimise-store = true;
    };
  };

  networking = {enableIPv6 = true;};

  system.extraSystemBuilderCmds = ''
    ln -sv ${pkgs.path} $out/nixpkgs
  '';
  environment.etc.host-nix-channel.source = pkgs.path;

  environment.variables = {BAT_THEME = "Dracula";};

  # Set the system-wide environment
  environment = {
    systemPackages = with pkgs; [
      bat # cat clone with syntax highlighting & Git integration
      dnsutils # Bind DNS utilities
      fd # A simple, fast and user-friendly alternative to find
      (
        if config.services.xserver.enable
        then gitAndTools.gitFull
        else git
      ) # Distributed version control system
      htop # interactive process viewer
      hwinfo # Hardware detection tool
      killall # kill processes by name
      lshw # Detailed information on the hardware configuration
      lsof # list open files
      mosh # Mobile shell (ssh replacement)
      ncdu # Disk usage analyzer with an ncurses interface
      nix-index # A files database for nixpkgs
      ripgrep # Utility that provides usability of The Silver Searcher with the raw speed of grep
    ];
  };

  # Users common across MIO Ops:
  users.mutableUsers = false; # Remove any users not defined in here
}