#+TITLE: JawZ NixOS main Configuration
#+AUTHOR: Danilo Reyes
#+PROPERTY: header-args :tangle configuration.nix
#+auto_tangle: t

* TODO [0/6]
- [ ] System configurations [0/8]
  - [ ] fail2ban
  - [ ] Bluetooth multiple devices + pass-through
  - [ ] Topgrade (perhaps unnecessary)
- [ ] dotfiles [0/4]
  - [ ] migrate config to home-manager
  - [ ] migrate share to home-manager
  - [ ] migrate dconf to home-manager
- [-] Migrate apps [3/6]
  - [-] paru
  - [ ] appimages
- [-] Compile missing apps [1/8]
  - [-] zap init
  - [-] font-downloader
  - [ ] SaveDesktop (flathub)
  - [ ] gelata
  - [ ] menulibre
- [ ] Misc [0/3]
  - [ ] Figure out how to get rid of xterm


* ABOUT
Setting up the document.  Also this should allow me to set up variables, and
other functions.
- Global version number so NixOS and Home-Manager are in sync
- The unstable part allows me to build packages from the unstable channel by
  prepending "unstable" to a package name.
- The next part creates a simple build of some of my simple scripts, turning
  them into binaries which then I can integrate into the nix-store as well as
  declared systemd units.

#+begin_src nix
{ config, pkgs, ... }:
let
  VERSION = "23.05";
  unstable = import (builtins.fetchTarball "https://github.com/nixos/nixpkgs/tarball/master") {
    config = config.nixpkgs.config;
  };
  nix-gaming = import (builtins.fetchTarball "https://github.com/fufexan/nix-gaming/archive/master.tar.gz");
  jawz_nextcloud_scrapsync = pkgs.writeScriptBin
    "nextcloud_scrapsync" (builtins.readFile ./scripts/nextcloud_scrapsync.sh);
  jawz_manage_library = pkgs.writeScriptBin
    "manage_library" (builtins.readFile ./scripts/manage_library.sh);
  jawz_tasks = pkgs.writeScriptBin
    "tasks" (builtins.readFile ./scripts/tasks.sh);
in
{ # Remember to close this bracket at the end of the document
#+end_src

* IMPORTS
These are files and modules which get loaded onto the configuration file, in the
future I may segment this file into different modules once it becomes too
cluttered, for example, I may create a module for systemd units.

#+begin_src nix
imports = [
  ./hardware-configuration.nix
  ./nginx.nix
  <home-manager/nixos>
  <agenix/modules/age.nix>
  "${nix-gaming}/modules/pipewireLowLatency.nix"
];
#+end_src

* SYSTEM CONFIGURATION
** NETWORKING
At the moment, I don't have a wireless card on this computer, however as I build
a new system, such setting may come in handy.

Pick *ONLY ONE* of the below networking options.
- *wireless.enable* enables wireless support via wpa_supplicant.
- *NetworkManager* it's the default of GNOME, and easiest to use and integrate.

#+begin_src nix
networking = {
  hostName = "workstation";
  networkmanager.enable = true;
};
#+end_src

** TIMEZONE & LOCALE
For some reason, useXkbConfig throws an error when building the system, either
way it is an unnecessary setting as my keyboards are the default en_US, only
locale set to Canadian out because I prefer how it displays the date.

#+begin_src nix
time.timeZone = "America/Mexico_City";

i18n = {
  defaultLocale = "en_CA.UTF-8";
  extraLocaleSettings = {
    LC_MONETARY = "es_MX.UTF-8";
  };
};
console = {
  font = "Lat2-Terminus16";
  keyMap = "us";
  #  useXkbConfig = true; # use xkbOptions in tty.
};
#+end_src

* GNOME
At the time of writing this file, I require of X11, as the NVIDIA support for
Wayland isn't perfect yet.  At the time being, the ability to switch through GDM
from Wayland to XORG, it's pretty handy, but in the future these settings will
require an update.

Sets up GNOME as the default desktop environment, while excluding some
undesirable packages from installing.

#+begin_src nix
services = {
  xserver = {
    enable = true;
    videoDrivers = [ "nvidia" ];
    displayManager.gdm.enable = true;
    desktopManager.gnome.enable = true;
    layout = "us";
    libinput.enable = true; # Wacom required?
  };
};

environment.gnome.excludePackages = (with pkgs; [
  gnome-photos
  gnome-tour
  gnome-text-editor
  gnome-connections
  # gnome-shell-extensions
  baobab
])
++ (with pkgs.gnome; [
  # totem
  gedit
  gnome-music
  epiphany
  gnome-characters
  yelp
  gnome-font-viewer
  cheese
]);

# Sets up QT to use adwaita themes.
qt = {
  enable = true;
  platformTheme = "gnome";
  style = "adwaita";
};
#+end_src

* SOUND
In order to avoid issues with PipeWire, the wiki recommends to disable /sound.enable/
This is a basic PipeWire configuration, in the future stuff like Bluetooth or
latency will require expanding these settings.

#+begin_src nix
hardware.pulseaudio.enable = false;
sound.enable = false;
security = {
  rtkit.enable = true;
  acme = {
    acceptTerms = true;
    defaults.email = "captainjawz@outlook.com";
  };
};
services.pipewire = {
  enable = true;
  alsa.enable = true;
  alsa.support32Bit = true;
  pulse.enable = true;
  lowLatency = {
    enable = true;
    quantum = 64;
    rate = 48000;
  };
};
#+end_src

* SECURITY
Recently, I've gotten frustrated with OpenDoas, as such I've decided to
temporarily enable Sudo, but in the future, I plan to revert that decision.
** SUDO
Disabled password for commodity, but this is obviously not recommended.
#+begin_src nix
security.sudo = {
  enable = true;
  wheelNeedsPassword = false;
};
#+end_src

* USER PACKAGES
Being part of the "wheel" group, means that the user has root privileges.

This allows to install non-free packages, and also a toggle for installing
packages from the unstable repository by prepending "unstable" to the package
name.

#+begin_src nix
nixpkgs.config = {
  allowUnfree = true;
  packageOverrides = pkgs: {
    vaapiIntel = pkgs.vaapiIntel.override { enableHybridCodec = true; };
  };
  permittedInsecurePackages = [
    "nodejs-14.21.3"
    "openssl-1.1.1u"
  ];
};
#+end_src

This section of the document categorizes and organizes all he packages that I
want installed, attempting to group them as dependencies of others when
necessary.

It has come to my attention, that using home-manager to manage packages, isn't a
recommended thing, while in theory there should be no errors with it, being a
downstream package there is no warranty that an upstream change will break
things with a new upgrade, breaking thus, the declarative nature of NixOs, for
that purpose, I have decided to keep home-manager as a module, with the
intention of reduce the number of dotfiles, however I will keep it exclusively
as a dotfile and service manager.

#+begin_src nix
users.groups.nextcloud.gid = 990;
users.users.nextcloud = {
  isNormalUser = false;
  uid = 990;
  extraGroups = [ "nextcloud" ];
  packages = (with pkgs; [
    nodejs_14
    perl
    unstable.exiftool
  ]);
};
users.users.jawz = {
  isNormalUser = true;
  extraGroups = [ "wheel" "networkmanager" "docker" "scanner" "lp" ];
  initialPassword = "password";
  openssh = {
    authorizedKeys.keys = [ "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIB5GaQM4N+yGAByibOFQOBVMV/6TjOfaGIP+NunMiK76 gpodeacero\cdreyes@100CDREYES" ];
  };
  packages = (with pkgs; [
#+end_src

** GUI PACKAGES
All of my GUI applications categorized to make it easier to identify what each
application does, and the justification for is existence on my system.

*** ART AND DEVELOPMENT
Art and development applications are together, as a game-developer one of my
goals is to create a workflow between this ecosystem of applications.

#+begin_src nix
blender # cgi animation and sculpting
godot # game development
gdtoolkit # gdscript language server
krita # art to your heart desire!
# drawpile # arty party with friends!!
mypaint # not the best art program
mypaint-brushes # but it's got some
mypaint-brushes1 # nice damn brushes
pureref # create inspiration/reference boards
gimp # the coolest bestest art program to never exist
#+end_src

*** GAMING
So far gaming has been a lot less painful than I could have originally
anticipated, most everything seems to run seamlessly.
=note= Roblox uninstalled as there is ongoing drama regarding linux users.

#+begin_src nix
lutris
heroic
wine64Packages.full
wineWowPackages.full
vulkan-tools
# nix-gaming.packages.${pkgs.hostPlatform.system}.wine-tkg
winetricks
# nix-gaming.packages.${pkgs.hostPlatform.system}.wine-discord-ipc-bridge
# grapejuice # roblox manager
minecraft # minecraft official launcher
parsec-bin # remote gaming with friends
protonup-qt # update proton-ge
renpy
#+end_src

*** PRODUCTIVITY
This is the section where the apps that help me be productive come, a lot of
this are not used as often as I wish…

#+begin_src nix
libreoffice-fresh # office, but based
calibre # ugly af eBook library manager
foliate # gtk eBook reader
newsflash # feed reader, syncs with nextcloud
wike # gtk wikipedia wow!
unstable.furtherance # I made this one tehee track time utility
gnome.simple-scan # scanner
#+end_src

*** MISC
Most of these apps, are part of the gnome circle, and I decide to install them
if just for a try and play a little.

#+begin_src nix
# sequeler # friendly SQL client
blanket # background noise
czkawka # duplicate finder
pika-backup # backups
# tilix # used to be my favourite terminal, but it's so outdated, that each time I use it less and less…
gnome-obfuscate # censor private information
metadata-cleaner # remove any metadata and geolocation from files
gnome-recipes # migrate these to mealie and delete
denaro # manage your finances
# celeste # sync tool for any cloud provider
libgda # for pano shell extension
#+end_src

*** MULTIMEDIA
Overwhelmingly player applications, used for videos and music, while most of my
consumption has moved towards Danilo-flix, it's still worth the install of most
of these, for now.

#+begin_src nix
celluloid # video player
cozy # audiobooks player
gnome-podcasts # podcast player
handbrake # video converter, may be unnecessary
curtail # image compressor
pitivi # video editor
identity # compare images or videos
mousai # poor man shazam
tagger # tag music files
bottles # wine prefix manager
obs-studio # screen recorder & streamer
shortwave # listen to world radio
nextcloud-client # self-hosted google-drive alternative
#+end_src

*** WEB
Stuff that I use to interact with the web, web browsers, chats, download
managers, etc.

#+begin_src nix
discord # chat
telegram-desktop # furry chat
google-chrome # web browser with spyware included
firefox # web browser that allows to disable spyware
# librewolf # no spyware web browser
tor-browser-bundle-bin # dark web, so dark!
# hugo # website engine
nicotine-plus # remember Ares?
warp # never used, but supposedly cool for sharing files
HentaiAtHome # uh-oh
#+end_src

** COMMAND-LINE PACKAGES

#+begin_src nix
unstable.yt-dlp # downloads videos from most video websites
unstable.gallery-dl # similar to yt-dlp but for most image gallery websites
gdu # disk-space utility, somewhat useful
du-dust # rusty du
gocryptfs # encrypted filesystem! shhh!!!
exa # like ls but with colors
trashy # oop! didn't meant to delete that
rmlint # probably my favourite app, amazing dupe finder that integrates well with BTRFS
tldr # man for retards
vcsi # video thumbnails for torrents, can I replace it with ^?
tree-sitter # code parsing, required by Doom emacs
torrenttools # create torrent files from the terminal!
lm_sensors # for extension, displays cpu temp

# My own scripts
jawz_manage_library
jawz_tasks
(writeScriptBin "ffmpeg4discord" (builtins.readFile ./scripts/ffmpeg4discord.py))
(writeScriptBin "ffmpreg" (builtins.readFile ./scripts/ffmpreg.sh))
(writeScriptBin "chat-dl" (builtins.readFile ./scripts/chat-dl.sh))
(writeScriptBin "split_dir" (builtins.readFile ./scripts/split_dir.sh))
(writeScriptBin "pika_list" (builtins.readFile ./scripts/pika_list.sh))
(writeScriptBin "run" (builtins.readFile ./scripts/run.sh))
#+end_src

** DEVELOPMENT PACKAGES

#+begin_src nix
# required by doom emacs, but still are rather useful.
fd # modern find, faster searches
fzf # fuzzy finder! super cool and useful
ripgrep # modern grep
# languagetool # proofreader for English.  check if works without the service
graphviz # graphs
tetex
# these two are for doom everywhere
# xorg.xwininfo
# xdotool

# development environment
exercism # learn to code

# SH
bats # testing system, required by Exercism
bashdb # autocomplete
shellcheck # linting
shfmt # a shell parser and formatter
file # required by my tasks script?
# gnome.zenity # dependency of my scripts
xclip # manipulate clipboard from scripts

# NIX
nixfmt # linting
cachix # why spend time compiling?

# PYTHON.
python3 # base language
pipenv # python development workflow for humans
poetry # dependency management made easy

# C# & Rust
# omnisharp-roslyn # c# linter and code formatter

# HASKELL
# cabal-install # haskell interface

# JS
nodejs # not as bad as I thought
# jq # linting
#+end_src

** HUNSPELL
These dictionaries work with Firefox, Doom Emacs and LibreOffice.

#+begin_src nix
hunspell
hunspellDicts.it_IT
hunspellDicts.es_MX
hunspellDicts.en_CA
#+end_src

** CUSTOMIZATION PACKAGES
Themes and other customization, making my DE look the way I want is one of the
main draws of Linux for me.

#+begin_src nix
# Themes
adw-gtk3
# gradience # theme customizer, allows you to modify adw-gtk3 themes
gnome.gnome-tweaks # tweaks for the gnome desktop environment
qgnomeplatform

# Fonts
(nerdfonts.override {
  fonts = [ "Agave" "CascadiaCode" "SourceCodePro" "Ubuntu" "FiraCode" "Iosevka" ];
})
symbola
(papirus-icon-theme.override {
  color = "adwaita";
})
#+end_src

** PYTHON

#+begin_src nix
]) ++ (with pkgs.python3Packages; [
  flake8 # wraper for pyflakes, pycodestyle and mccabe
  isort # sort Python imports
  nose # testing and running python scripts
  pyflakes # checks source code for errors
  pytest # framework for writing tests
  speedtest-cli # check internet speed from the comand line
  editorconfig # follow rules of contributin
  black # Python code formatter
  pylint # bug and style checker for python
  (buildPythonApplication rec {
    pname = "download";
    version = "1.5";
    src = ./scripts/download/.;
    doCheck = false;
    buildInputs = [ setuptools ];
    propagatedBuildInputs =
      [ pyyaml types-pyyaml ];
  })
  (buildPythonApplication rec {
    pname = "ffpb";
    version = "0.4.1";
    src = fetchPypi {
      inherit pname version;
      sha256 = "sha256-7eVqbLpMHS1sBw2vYS4cTtyVdnnknGtEI8190VlXflk=";
    };
    doCheck = false;
    buildInputs = [ setuptools ];
    propagatedBuildInputs =
      [ tqdm ];
  })
#+end_src

** BAT-EXTRAS

#+begin_src nix
]) ++ (with pkgs.bat-extras; [
  batman # man pages
  batpipe # piping
  batgrep # ripgrep
  batdiff # this is getting crazy!
  batwatch # probably my next best friend
  prettybat # trans your sourcecode!
#+end_src

** GNOME EXTENSIONS

#+begin_src nix
]) ++ (with pkgs.gnomeExtensions; [
  appindicator # applets for open applications
  gsconnect # sync data and notifications from your phone
  freon # hardware temperature monitor
  panel-scroll # scroll well to change workspaces
  reading-strip # like putting a finger on every line I read
  tactile # window manager
  pano # clipboard manager
  blur-my-shell # make the overview more visually appealing
  # burn-my-windows
  # forge # window manager
# ]) ++ (with unstable.pkgs.gnomeExtensions; [
#+end_src

** NODEJS PACKAGES

#+begin_src nix
]) ++ (with pkgs.nodePackages; [
  dockerfile-language-server-nodejs # LSP
  bash-language-server # LSP
  pyright # LSP
  markdownlint-cli # Linter
  prettier # Linter
  pnpm # Package manager
]); }; }; # <--- end of package list
#+end_src

* MISC SETTINGS
** ENABLE FONTCONFIG
If enabled, a Fontconfig configuration file will point to a set of default
fonts.  If you don't care about running X11 applications or any other program
that uses Fontconfig, you can turn this option off and prevent a dependency on
all those fonts.
=tip= once that Wayland is ready for deployment, I probably can remove this
setting.

#+begin_src nix
fonts.fontconfig.enable = true;
#+end_src

* HOME-MANAGER
** HOME-MANAGER SETTINGS
These make it so packages install to '/etc' rather than the user home directory,
also allow for upgrades when rebuilding the system.

#+begin_src nix
home-manager.useUserPackages = true;
home-manager.useGlobalPkgs = true;
#+end_src

** PACKAGES

#+begin_src nix
home-manager.users.jawz = { config, pkgs, ... }:{
    home.stateVersion = VERSION;
    home.packages = with pkgs; [ ];
#+end_src

** DOTFILES
*** BASH

#+begin_src nix
programs.bash = {
  enable = true;
  historyFile = "\${XDG_STATE_HOME}/bash/history";
  historyControl = [ "erasedups" ];
  shellAliases = {
    ls = "exa --icons --group-directories-first --no-permissions --no-user --no-time";
    edit = "emacsclient -t";
    comic = "download -u jawz -i $(cat $LC | fzf --multi --exact -i)";
    gallery = "download -u jawz -i $(cat $LW | fzf --multi --exact -i)";
    open_gallery = "cd /mnt/disk2/scrapping/JawZ/gallery-dl && xdg-open $(fd . ./ Husbands -tdirectory -d 1 | fzf -i)";
    unique_extensions = "fd -tf | rev | cut -d. -f1 | rev  | tr '[:upper:]' '[:lower:]' | sort | uniq --count | sort -rn";
    cp = "cp -i";
    mv = "mv -i";
    mkcd = "mkdir -pv \"$1\" && cd \"$1\" || exit";
    mkdir = "mkdir -p";
    rm = "trash";
    ".." = "cd ..";
    "..." = "cd ../..";
    ".3" = "cd ../../..";
    ".4" = "cd ../../../..";
    ".5" = "cd ../../../../..";
    dl = "download -u jawz -i";
    e = "edit";
    c = "cat";
    f = "fzf --multi --exact -i";
    sc = "systemctl --user";
    jc = "journalctl --user -xefu";
  };
  enableVteIntegration = true;
  initExtra = ''
#+end_src

#+begin_src bash
/home/jawz/.local/bin/pokemon-colorscripts -r --no-title
# Lists
list_root=${config.home.homeDirectory}/.config/jawz/lists/jawz
export LW=$list_root/watch.txt
export LI=$list_root/instant.txt
export LC=$list_root/comic.txt
export command_timeout=30

# GPG_TTY=$(tty)
# export GPG_TTY

if command -v fzf-share >/dev/null; then
  source "$(fzf-share)/key-bindings.bash"
  source "$(fzf-share)/completion.bash"
fi

nixos-reload () {
    local nix_file="$HOME/Development/NixOS/configuration.nix"
    local hardware_file="$HOME/Development/NixOS/hardware-configuration.nix"
    nixfmt "$nix_file" && nixfmt "$hardware_file"
    sudo nixos-rebuild switch -I nixos-config="$nix_file"
}
#+end_src
#+begin_src nix
  '';
};
#+end_src

*** OTHER

#+begin_src nix
programs = {
  direnv = {
    enable = true;
    enableBashIntegration = true;
    nix-direnv.enable = true;
  };
  bat = {
  enable = true;
  config = {
    pager = "less -FR";
    theme = "base16"; };
  };
  git = {
    enable = true;
    userName  = "Danilo Reyes";
    userEmail = "CaptainJawZ@outlook.com";
  };
  htop = {
    enable = true;
    package = pkgs.htop-vim;
  };
};
#+end_src

*** XDG

#+begin_src nix
xdg = {
  enable = true;
  userDirs = {
    enable = true;
    # createDirectories = true;
    desktop = "${config.home.homeDirectory}";
    documents = "${config.home.homeDirectory}/Documents";
    download = "${config.home.homeDirectory}/Downloads";
    music = "${config.home.homeDirectory}/Music";
    pictures = "${config.home.homeDirectory}/Pictures";
    # publicShare = "${config.home.homeDirectory}/.local/hd/Public";
    templates = "${config.home.homeDirectory}/.local/share/Templates";
    videos = "${config.home.homeDirectory}/Videos";
  };
  configFile = {
    "wgetrc".source = ./dotfiles/wget/wgetrc;
    "configstore/update-notifier-npm-check.json".source = ./dotfiles/npm/update-notifier-npm-check.json;
    "npm/npmrc".source = ./dotfiles/npm/npmrc;
    "gallery-dl/config.json".source = ./dotfiles/gallery-dl/config.json;
    "htop/htoprc".source = ./dotfiles/htop/htoprc;
  };
};
#+end_src

** USER-SERVICES

#+begin_src nix
services = {
  lorri.enable = true;
  emacs = {
    enable = true;
    defaultEditor = true;
    package = pkgs.emacs;
  };
};
#+end_src

** CLOSING HOME-MANAGER

#+begin_src nix
};
#+end_src

* ENVIRONMENT PACKAGES
These are a MUST to ensure the optimal function of nix, without these, recovery
may be challenging.

#+begin_src nix
environment.systemPackages = with pkgs; [
  wget
  docker-compose # easy way to migrate my docker anywhere!
  jellyfin-ffmpeg # coolest video converter!
  dlib
];
#+end_src

* ENVIRONMENT VARIABLES

#+begin_src nix
environment.variables = rec {
  # PATH
  XDG_CACHE_HOME  = "\${HOME}/.cache";
  XDG_CONFIG_HOME = "\${HOME}/.config";
  XDG_BIN_HOME    = "\${HOME}/.local/bin";
  XDG_DATA_HOME   = "\${HOME}/.local/share";
  XDG_STATE_HOME  = "\${HOME}/.local/state";

  # DEV PATH
  CABAL_CONFIG = "\${XDG_CONFIG_HOME}/cabal/config";
  CABAL_DIR = "\${XDG_CACHE_HOME}/cabal";
  CARGO_HOME = "\${XDG_DATA_HOME}/cargo";
  GEM_HOME = "\${XDG_DATA_HOME}/ruby/gems";
  GEM_PATH = "\${XDG_DATA_HOME}/ruby/gems";
  GEM_SPEC_CACHE = "\${XDG_DATA_HOME}/ruby/specs";
  GOPATH = "\${XDG_DATA_HOME}/go";
  NPM_CONFIG_USERCONFIG = "\${XDG_CONFIG_HOME}/npm/npmrc";
  PNPM_HOME = "\${XDG_DATA_HOME}/pnpm";

  # OPTIONS
  # HISTFILE = "\${XDG_STATE_HOME}/bash/history";
  LESSHISTFILE = "-";
  GHCUP_USE_XDG_DIRS = "true";
  RIPGREP_CONFIG_PATH = "\${XDG_CONFIG_HOME}/ripgrep/ripgreprc";
  ELECTRUMDIR = "\${XDG_DATA_HOME}/electrum";
  VISUAL = "emacsclient -ca emacs";
  WGETRC = "\${XDG_CONFIG_HOME}/wgetrc";
  XCOMPOSECACHE = "${XDG_CACHE_HOME}/X11/xcompose";
  "_JAVA_OPTIONS" = "-Djava.util.prefs.userRoot=\${XDG_CONFIG_HOME}/java";
  DOCKER_CONFIG="\${XDG_CONFIG_HOME}/docker";

  # NVIDIA
  CUDA_CACHE_PATH = "\${XDG_CACHE_HOME}/nv";
  # WEBKIT_DISABLE_COMPOSITING_MODE = "1";
  # GBM_BACKEND = "nvidia-drm";
  # "__GLX_VENDOR_LIBRARY_NAME" = "nvidia";

  # Themes
  # GTK_THEME = "Adwaita:light";
  # QT_QPA_PLATFORMTHEME = "adwaita";
  # QT_STYLE_OVERRIDE = "adwaita";
  CALIBRE_USE_SYSTEM_THEME = "1";

  PATH = [
    "\${HOME}/.local/bin"
    "\${XDG_CONFIG_HOME}/emacs/bin"
    "\${XDG_DATA_HOME}/npm/bin"
    "\${XDG_DATA_HOME}/pnpm"
  ];
};
#+end_src

* DOCKER
Virtualization settings for Docker.  NixOS offers an option to declaratively run
docker-compose images using [[https://nixos.wiki/wiki/Docker][Arion]].  Could be an interesting thing to try out.

#+begin_src nix
virtualisation.docker = {
    enable = true;
    storageDriver = "btrfs";
    enableNvidia = true;
};
#+end_src

* SNAPRAID
It's a parity raid utility which creates a scheme similar to what UNRAID
offered, except not in real time, I schedule it to run every night, so it keeps
my files sync, while it is possible to use snapraid as a solution to keep a
historic backup of your files, I am more concerned with the whole disk recovery
in case of failure, as such a frequent sync fits my preferences.

#+begin_src nix
snapraid = {
  enable = true;
  touchBeforeSync = true;
  sync.interval = "02:00";
  scrub = {
    plan = 10;
    olderThan = 10;
    interval = "4:00";
  };
  parityFiles = [
    "/mnt/parity/snapraid.parity"
  ];
  extraConfig = ''
    autosave 5000
  '';
  exclude = [
    "/tmp/"
    "/lost+found/"
    "/multimedia/downloads/"
    "/scrapping/nextcloud/"
    "/backups/"
    "/glue/Spankbank/____UNORGANIZED/Chaturbate/"
    "/nextcloud/nextcloud.log"
  ];
  dataDisks = {
    d1 = "/mnt/disk1/";
    d2 = "/mnt/disk2/";
  };
  contentFiles = [
    "/var/snapraid.content"
    "/mnt/disk1/snapraid.content"
    "/mnt/disk2/snapraid.content"
  ];
};
#+end_src

* SYSTEM PROGRAMS & SERVICES
Some programs get enabled and installed through here, as well as the activation
of some services.

#+begin_src nix
programs = {
  starship.enable = true;
  fzf.fuzzyCompletion = true;
  neovim = {
    enable = true;
    vimAlias = true;
  };
  gnupg.agent = {
    enable = true;
    enableSSHSupport = true;
  };
  geary = {
    enable = true;
  };
  steam = {
    enable = true;
    remotePlay.openFirewall = true;
    dedicatedServer.openFirewall = true;
  };
};

services = {
  jellyfin.enable = true;
  # vaultwarden.enable = true;
  nextcloud = {
    https = true;
    enable = true;
    package = pkgs.nextcloud26;
    appstoreEnable = true;
    configureRedis = true;
    maxUploadSize = "512M";
    extraAppsEnable = true;
    enableImagemagick = true;
    hostName = "cloud.servidos.lat";
    config = {
      adminpassFile = "${pkgs.writeText "adminpass" "Overlying-Hatchback-Charting-Encounter-Deface-Gallantly7"}";
      overwriteProtocol = "https";
      defaultPhoneRegion = "MX";
      dbtype = "pgsql";
      dbuser = "nextcloud";
      dbpassFile = "${pkgs.writeText "dbpass" "sopacerias"}";
      dbtableprefix = "oc_";
      dbname = "nextcloud";
      trustedProxies = [ "nginx" ];
      extraTrustedDomains = [ "cloud.rotehaare.art" "danilo-reyes.com" ];
    };
    phpOptions = {
      catch_workers_output = "yes";
      display_errors = "stderr";
      error_reporting = "E_ALL & ~E_DEPRECATED & ~E_STRICT";
      expose_php = "Off";
      "opcache.enable_cli" = "1";
      "opcache.fast_shutdown" = "1";
      "opcache.interned_strings_buffer" = "16";
      "opcache.jit" = "1255";
      "opcache.jit_buffer_size" = "128M";
      "opcache.max_accelerated_files" = "10000";
      "opcache.memory_consumption" = "128";
      "opcache.revalidate_freq" = "1";
      "opcache.save_comments" = "1";
      "opcache.validate_timestamps" = "0";
      "openssl.cafile" = "/etc/ssl/certs/ca-certificates.crt";
      short_open_tag = "Off";
    };
    extraOptions = {
      mail_smtpmode = "sendmail";
      mail_sendmailmode = "pipe";
      "installed" = true;
      "memories.exiftool" = "/etc/profiles/per-user/nextcloud/bin/exiftool";
      enabledPreviewProviders = [
        "OC\\Preview\\Image"
        "OC\\Preview\\HEIC"
        "OC\\Preview\\TIFF"
        "OC\\Preview\\MKV"
        "OC\\Preview\\MP4"
        "OC\\Preview\\AVI"
        "OC\\Preview\\Movie"
      ];
    };
    phpExtraExtensions = all: [ all.pdlib all.bz2 ];
  };
  postgresql = {
    enable = true;
    ensureDatabases = [ "paperless" "nextcloud" "mealie" ];
    ensureUsers = [
      {
        name = "nextcloud";
        ensurePermissions = {
          "DATABASE nextcloud" = "ALL PRIVILEGES";
        };
      }
      {
        name = "paperless";
        ensurePermissions = {
          "DATABASE paperless" = "ALL PRIVILEGES";
        };
      }
      {
        name = "mealie";
        ensurePermissions = {
          "DATABASE mealie" = "ALL PRIVILEGES";
        };
      }
    ];
    authentication = pkgs.lib.mkOverride 10 ''
      local all all              trust
      host  all all 127.0.0.1/32 trust
      host  all all ::1/128      trust
      '';
  };
  printing = {
    enable = true;
    drivers = [ pkgs.hplip pkgs.hplipWithPlugin ];
  };
  avahi.enable = true;
  avahi.nssmdns = true;
  fstrim.enable = true;
  btrfs.autoScrub = {
    enable = true;
    fileSystems = [
      "/"
      "/mnt/disk1"
      "/mnt/disk2"
    ];
  };
  openssh = {
    enable = true;
    ports = [ 25152 ];
    settings = {
      PasswordAuthentication = false;
      KbdInteractiveAuthentication = false;
    };
    startWhenNeeded = true;
    listenAddresses = [
      {
        addr = "0.0.0.0";
        port = 25152;
      }
    ];
  };
  emacs = {
    enable = true;
    defaultEditor = true;
    package = pkgs.emacs;
  };
};
#+end_src

* SYSTEMD
Home-manager, is not as flushed out when it comes to creating systemd units, so
the best way to define them for now, is using nix.

#+begin_src nix
systemd.services = {
  # "docker-compose" = {
  #   enable = true;
  #   restartIfChanged = true;
  #   description = "Start docker-compose servers";
  #   after = [ "docker.service" "docker.socket" ];
  #   requires = [ "docker.service" "docker.socket" ];
  #   wantedBy = [ "default.target" ];
  #   environment = {
  #     FILE = "/home/jawz/Development/Docker/docker-compose.yml";
  #   };
  #   path = [
  #     pkgs.docker-compose
  #   ];
  #   serviceConfig = {
  #     Restart = "on-failure";
  #     RestartSec = 30;
  #     ExecStart = "${pkgs.docker-compose}/bin/docker-compose -f \${FILE} up --remove-orphans";
  #     ExecStop = "${pkgs.docker-compose}/bin/docker-compose -f \${FILE} down";
  #   };
  # };
  # "nextcloud_scrapsync" = {
  #   description = "Sync scrapped files with nextcloud";
  #   wantedBy = [ "default.target" ];
  #   path = [
  #     pkgs.bash
  #     jawz_nextcloud_scrapsync
  #   ];
  #   serviceConfig = {
  #     RestartSec = 30;
  #     ExecStart = "${jawz_nextcloud_scrapsync}/bin/nextcloud_scrapsync";
  #   };
  # };
  # "nextcloud_previews" = {
  #   description = "Generate previews";
  #   wantedBy = [ "default.target" ];
  #   path = [
  #     pkgs.nextcloud26
  #   ];
  #   serviceConfig = {
  #     RestartSec = 30;
  #     ExecStart = "${pkgs.nextcloud26}/occ preview:pre-generate";
  #   };
  # };
};
systemd.timers = {
  # "nextcloud_scrapsync" = {
  #   enable = true;
  #   description = "Sync scrapped files with nextcloud";
  #   wantedBy = [ "timers.target" ];
  #   timerConfig = {
  #     OnCalendar= [
  #       "*-*-* 01:32:00"
  #       "*-*-* 08:32:00"
  #       "*-*-* 14:32:00"
  #       "*-*-* 20:32:00"
  #     ];
  #     RandomizedDelaySec = 30;
  #     Persistent = true;
  #   };
  # };
  # "nextcloud_previews" = {
  #   enable = true;
  #   description = "Generate previews";
  #   wantedBy = [ "timers.target" ];
  #   timerConfig = {
  #     OnCalendar = "*:0/10";
  #   };
  # };
};
systemd.user.services = {
  "HentaiAtHome" = {
    enable = true;
    restartIfChanged = true;
    description = "Run hentai@home server";
    wantedBy = [ "default.target" ];
    path = [
      pkgs.HentaiAtHome
    ];
    serviceConfig = {
      Restart = "on-failure";
      RestartSec = 30;
      WorkingDirectory="/mnt/hnbox";
      ExecStart = "${pkgs.HentaiAtHome}/bin/HentaiAtHome";
    };
  };
  "manage_library" = {
    enable = true;
    restartIfChanged = true;
    description = "Run the manage library bash script";
    wantedBy = [ "default.target" ];
    path = [
      pkgs.bash
      pkgs.nix
      jawz_manage_library
    ];
    serviceConfig = {
      Restart = "on-failure";
      RestartSec = 30;
      ExecStart = "${jawz_manage_library}/bin/manage_library";
    };
  };
  "tasks" = {
    restartIfChanged = true;
    description = "Run a tasks script which keeps a lot of things organized";
    wantedBy = [ "default.target" ];
    path = [
      pkgs.bash
      pkgs.nix
      jawz_tasks
    ];
    serviceConfig = {
      Restart = "on-failure";
      RestartSec = 30;
      ExecStart = "${jawz_tasks}/bin/tasks";
    };
  };
  "update_dns" = let jawz_update_dns = pkgs.writeScriptBin
    "update_dns" (builtins.readFile ./scripts/update_dns.sh); in {
    restartIfChanged = true;
    description = "update DNS of my websites";
    wantedBy = [ "default.target" ];
    path = [
      pkgs.curl
      pkgs.bash
      jawz_update_dns
    ];
    serviceConfig = {
      Restart = "on-failure";
      RestartSec = 30;
      ExecStart = "${jawz_update_dns}/bin/update_dns";
    };
  };
};
systemd.user.timers = {
  "tasks" = {
    enable = true;
    description = "Run a tasks script which keeps a lot of things organized";
    wantedBy = [ "timers.target" ];
    timerConfig = {
      OnCalendar = "*:0/10";
    };
  };
  "update_dns" = {
    enable = true;
    description = "update DNS of my websites";
    wantedBy = [ "timers.target" ];
    timerConfig = {
        OnBootSec = "1min";
        OnUnitActiveSec = "6h";
    };
  };
};
#+end_src

* FIREWALL
Open ports in the firewall.
=TIP= list what app a port belongs to in a table.

#+begin_src nix
networking = {
  firewall = let
    open_firewall_ports = [
      80 # http
      443 # https
      6969 # HentaiAtHome
      25152 # ssh
    ];
    open_firewall_port_ranges = [
      { from = 1714;  to = 1764; } # kdeconnect
    ];
    in
    {
    allowedTCPPorts = open_firewall_ports;
    allowedUDPPorts = open_firewall_ports;
    allowedTCPPortRanges = open_firewall_port_ranges;
    allowedUDPPortRanges = open_firewall_port_ranges;
  };
};
# networking.firewall.enable = false;
#+end_src

* FINAL SYSTEM CONFIGURATIONS
The first setting creates a copy the NixOS configuration file and link it from
the resulting system (/run/current-system/configuration.nix).  This is useful in
case you accidentally delete configuration.nix.

The version value determines the NixOS release from which the default settings for
stateful data, like file locations and database versions on your system.
It‘s perfectly fine and recommended to leave this value at the release version
of the first install of this system.

Lastly I configure in here Cachix repositories, which is a website that keeps a
cache of nixbuilds for easy quick deployments without having to compile
everything from scratch.

#+begin_src nix
system = {
  copySystemConfiguration = true;
  stateVersion = VERSION;
};
nix = {
  settings = {
    substituters = [
      "https://nix-gaming.cachix.org"
      "https://nixpkgs-python.cachix.org"
      "https://devenv.cachix.org"
      "https://cuda-maintainers.cachix.org"
    ];
    trusted-public-keys = [
      "nix-gaming.cachix.org-1:nbjlureqMbRAxR1gJ/f3hxemL9svXaZF/Ees8vCUUs4="
      "nixpkgs-python.cachix.org-1:hxjI7pFxTyuTHn2NkvWCrAUcNZLNS3ZAvfYNuYifcEU="
      "devenv.cachix.org-1:w1cLUi8dv3hnoSPGAuibQv+f9TZLr6cv/Hm9XgU50cw="
      "cuda-maintainers.cachix.org-1:0dq3bujKpuEPMCX6U4WylrUDZ9JyUG0VpVZa7CNfq5E="
    ];
  };
  gc = {
    automatic = true;
    dates = "weekly";
  };
};
#+end_src

** CLOSING :D
That super pesky closing bracket.

#+begin_src nix
}
#+end_src