feat: initial config setup

configuration.nix

@@ -0,0 +1,300 @@
+# Read the NixOS manual (accessible by running ‘nixos-help’).
+
+{ config, pkgs, ... }:
+
+{
+  imports =
+    [ # Include the results of the hardware scan.
+      ./home.nix
+      ./hardware-configuration.nix
+    ];
+
+  # Bootloader.
+  boot.loader.systemd-boot.enable = false;
+  boot.loader.efi.canTouchEfiVariables = true;
+  boot.loader.grub = {
+    enable = true;
+    device = "nodev";
+    efiSupport = true;
+  };
+
+  # Setup keyfile
+  boot.initrd.secrets = {
+    "/crypto_keyfile.bin" = null;
+  };
+
+  networking.hostName = "cafe"; # Define your hostname.
+  # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
+
+  # Configure network proxy if necessary
+  # networking.proxy.default = "http://user:password@proxy:port/";
+  # networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";
+
+  # Enable networking
+  networking.networkmanager.enable = true;
+  networking.nameservers = [
+    "1.1.1.1"
+    "9.9.9.9"
+  ];
+
+  # Set your time zone.
+  time.timeZone = "Asia/Kolkata";
+
+  powerManagement.powertop.enable = true;
+
+  # Select internationalisation properties.
+  i18n.defaultLocale = "en_US.UTF-8";
+  i18n.extraLocaleSettings = {
+    LC_ADDRESS = "en_US.UTF-8";
+    LC_IDENTIFICATION = "en_US.UTF-8";
+    LC_MEASUREMENT = "en_US.UTF-8";
+    LC_MONETARY = "en_US.UTF-8";
+    LC_NAME = "en_US.UTF-8";
+    LC_NUMERIC = "en_US.UTF-8";
+    LC_PAPER = "en_US.UTF-8";
+    LC_TELEPHONE = "en_US.UTF-8";
+    LC_TIME = "en_US.UTF-8";
+  };
+
+  services.xserver = {
+    # Enable the X11 windowing system.
+    enable = true;
+
+    # Enable the GNOME Desktop Environment.
+    displayManager.gdm.enable = true;
+    desktopManager.gnome.enable = true;
+
+    # Configure keymap in X11
+    layout = "us";
+    xkbVariant = "";
+
+    # Enable automatic login for the user.
+    displayManager.autoLogin.enable = true;
+    displayManager.autoLogin.user = "h";
+    excludePackages = [ pkgs.xterm ];
+    desktopManager.xterm.enable = false;
+  };
+
+  services.flatpak.enable = true;
+  xdg.portal.enable = true;
+
+  # Enable CUPS to print documents.
+  services.printing.enable = true;
+
+  # Enable sound with pipewire.
+  sound.enable = true;
+  hardware.pulseaudio.enable = false;
+  security.rtkit.enable = true;
+  services.pipewire = {
+    enable = true;
+    alsa.enable = true;
+    alsa.support32Bit = true;
+    pulse.enable = true;
+    # If you want to use JACK applications, uncomment this
+    #jack.enable = true;
+
+    # use the example session manager (no others are packaged yet so this is enabled by default,
+    # no need to redefine it in your config for now)
+    #media-session.enable = true;
+  };
+
+  # Enable touchpad support (enabled default in most desktopManager).
+  # services.xserver.libinput.enable = true;
+
+  # Define a user account. Don't forget to set a password with ‘passwd’.
+  programs.fish = {
+    enable = true;
+    shellAliases = {
+      ls = "exa -la";
+      cat = "bat -p";
+    };
+  };
+
+  users.users.h = {
+    isNormalUser = true;
+    description = "Himadri Bhattacharjee";
+    extraGroups = [ "networkmanager" "wheel" ];
+    packages = with pkgs; [
+      aircrack-ng
+      bettercap
+      blackbox-terminal
+      dxvk
+      feroxbuster
+      fragments
+      gcc
+      gh
+      gimp
+      git
+      gnome.gnome-boxes
+      gnome-secrets
+      hashcat
+      jq  
+      krita
+      librewolf
+      lutris
+      neofetch
+      nmap
+      patchelf
+      pkg-config
+      pwntools
+      python312
+      rustscan
+      rustup
+      signal-desktop
+      wifite2
+      wine
+    ];
+    shell = pkgs.fish;
+  };
+
+  # documentation.nixos.enable = false;
+
+  # Enable experimental features for searching
+  nix = {
+   package = pkgs.nixFlakes;
+   extraOptions = pkgs.lib.optionalString (config.nix.package == pkgs.nixFlakes)
+     "experimental-features = nix-command flakes";
+
+    # Enable weekly garbage collection
+    # gc = {
+    #   automatic = true;
+    #   dates = "weekly";
+    #   options = "--delete-older-than 7d";
+    # };
+  };
+
+  system.autoUpgrade.enable = true;
+
+  # Replace sudo with doas
+  security.sudo.enable = false;
+  security.doas.enable = true;
+  security.doas.extraRules = [{
+    groups = [ "wheel" ];
+    persist = false;
+    keepEnv = true;
+  }];
+
+
+  # Workaround for GNOME autologin: https://github.com/NixOS/nixpkgs/issues/103746#issuecomment-945091229
+  systemd.services."getty@tty1".enable = false;
+  systemd.services."autovt@tty1".enable = false;
+
+  # Allow unfree packages
+  nixpkgs.config.allowUnfree = true;
+
+  environment.gnome.excludePackages = with pkgs; [
+    gnome-tour
+    gnome-text-editor
+    gnome.geary
+    gnome.yelp
+    epiphany
+  ];
+
+  # Set the path for pkg-config to the openssl library
+  # so that we may compile projects that link to openssl.
+  # For example, a Rust project depending upon the openssl-sys crate.
+  environment.variables = rec {
+    PKG_CONFIG_PATH = "${pkgs.openssl.dev}/lib/pkgconfig";
+  };
+
+  # List packages installed in system profile. To search, run:
+  # $ nix search wget
+
+  environment.systemPackages = with pkgs; [
+    # Need virtualenv for waydroid-scripts
+    # this helps us enable libhoudini
+    adw-gtk3
+    bat
+    exa
+    gnomeExtensions.blur-my-shell
+    gnomeExtensions.caffeine
+    gnomeExtensions.rounded-window-corners
+    helix
+    mpv
+    ntfs3g
+    openssl
+    openssl.dev
+    ripgrep
+    virtualenv
+    wget
+    p7zip
+    pciutils
+    wl-clipboard
+    (writeScriptBin "sudo" ''exec doas "$@"'')
+  ];
+
+  # Make sure opengl is enabled
+  hardware.opengl = {
+    enable = true;
+    driSupport = true;
+    driSupport32Bit = true;
+  };
+
+  # NVIDIA drivers are unfree.
+  nixpkgs.config.allowUnfreePredicate = pkg:
+    builtins.elem (pkgs.lib.getName pkg) [
+      "nvidia-x11"
+    ];
+
+  # Tell Xorg to use the nvidia driver
+  services.xserver.videoDrivers = ["nvidia"];
+
+  # Enable syncthing to sync books,
+  # captured photos and videos with my phone.
+  services.syncthing = {
+    enable = true;
+    user = "h";
+    dataDir = "/home/h/Sync";
+    configDir = "/home/h/.config/syncthing";
+  };
+
+  hardware.nvidia = {
+
+    # Modesetting is needed for most wayland compositors
+    modesetting.enable = true;
+
+    # Use the open source version of the kernel module
+    # Only available on driver 515.43.04+
+    open = true;
+
+    # Enable the nvidia settings menu
+    # nvidiaSettings = true;
+
+    # Optionally, you may need to select the appropriate driver version for your specific GPU.
+    package = config.boot.kernelPackages.nvidiaPackages.stable;
+  };
+
+  # Enable waydroid to run android applications in a sandbox
+  virtualisation = {
+    waydroid.enable = true;
+    lxd.enable = true;
+  };
+
+  # Some programs need SUID wrappers, can be configured further or are
+  # started in user sessions.
+  # programs.mtr.enable = true;
+  # programs.gnupg.agent = {
+  #   enable = true;
+  #   enableSSHSupport = true;
+  # };
+
+  # List services that you want to enable:
+
+  # Enable the OpenSSH daemon.
+  # services.openssh.enable = true;
+
+  # Open ports in the firewall.
+  # networking.firewall.allowedTCPPorts = [ ... ];
+  # networking.firewall.allowedUDPPorts = [ ... ];
+  # Or disable the firewall altogether.
+  networking.firewall.enable = true;
+
+  # This value determines the NixOS release from which the default
+  # settings for stateful data, like file locations and database versions
+  # on your system were taken. It‘s perfectly fine and recommended to leave
+  # this value at the release version of the first install of this system.
+  # Before changing this value read the documentation for this option
+  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
+  system.stateVersion = "23.05"; # Did you read the comment?
+
+}

hardware-configuration.nix

@@ -0,0 +1,41 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "nvme" "xhci_pci" "usb_storage" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/df4f33a3-3d6c-4e08-af9f-df776984d5c5";
+      fsType = "btrfs";
+      options = [ "subvol=@" ];
+    };
+
+  boot.initrd.luks.devices."luks-5c48c31e-0eba-4ed5-bfad-cbb3e8ca8f5f".device = "/dev/disk/by-uuid/5c48c31e-0eba-4ed5-bfad-cbb3e8ca8f5f";
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/6AD0-7578";
+      fsType = "vfat";
+    };
+
+  swapDevices = [ ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp2s0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.wlp4s0.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}

home.nix

@@ -0,0 +1,21 @@
+{ config, pkgs, ... }:
+
+{
+  imports  = [
+    # nix-channel --add https://github.com/nix-community/home-manager/archive/release-23.05.tar.gz home-manager
+    # nix-channel --update
+    <home-manager/nixos>
+  ];
+
+  home-manager.users.h = {
+    home.stateVersion = "23.05";
+
+    home.file = {
+      ".config/helix/config.toml".source = ./sources/helix/config.toml;
+      ".config/fish" = {
+        source = ./sources/fish;
+        recursive = true;
+      };
+    };
+  };
+}

sources/fish/config.fish

@@ -0,0 +1,12 @@
+set fish_greeting
+set --universal --export GOPATH "$HOME/Public/go"
+set -U           -x      GOBIN "$GOPATH/bin"
+
+# Run the following only once for it to take effect.
+# fish_add_path --append --path --move $GOBIN
+# alias --save l='exa -lah'
+# alias --save cat='bat -p'
+
+if status is-interactive
+    # Commands to run in interactive sessions can go here
+end

sources/fish/fish_variables

@@ -0,0 +1,45 @@
+# This file contains fish universal variable definitions.
+# VERSION: 3.0
+SETUVAR --export GOBIN:/home/h/Public/go/bin
+SETUVAR --export --path GOPATH:/home/h/Public/go
+SETUVAR __fish_initialized:3400
+SETUVAR fish_color_autosuggestion:707A8C
+SETUVAR fish_color_cancel:\x2d\x2dreverse
+SETUVAR fish_color_command:5CCFE6
+SETUVAR fish_color_comment:5C6773
+SETUVAR fish_color_cwd:73D0FF
+SETUVAR fish_color_cwd_root:red
+SETUVAR fish_color_end:F29E74
+SETUVAR fish_color_error:FF3333
+SETUVAR fish_color_escape:95E6CB
+SETUVAR fish_color_history_current:\x2d\x2dbold
+SETUVAR fish_color_host:normal
+SETUVAR fish_color_host_remote:\x1d
+SETUVAR fish_color_keyword:\x1d
+SETUVAR fish_color_match:F28779
+SETUVAR fish_color_normal:CBCCC6
+SETUVAR fish_color_operator:FFCC66
+SETUVAR fish_color_option:\x1d
+SETUVAR fish_color_param:CBCCC6
+SETUVAR fish_color_quote:BAE67E
+SETUVAR fish_color_redirection:D4BFFF
+SETUVAR fish_color_search_match:\x2d\x2dbackground\x3dFFCC66
+SETUVAR fish_color_selection:\x2d\x2dbackground\x3dFFCC66
+SETUVAR fish_color_status:red
+SETUVAR fish_color_user:brgreen
+SETUVAR fish_color_valid_path:\x2d\x2dunderline
+SETUVAR fish_key_bindings:fish_default_key_bindings
+SETUVAR fish_pager_color_background:\x1d
+SETUVAR fish_pager_color_completion:normal
+SETUVAR fish_pager_color_description:B3A06D
+SETUVAR fish_pager_color_prefix:normal\x1e\x2d\x2dbold\x1e\x2d\x2dunderline
+SETUVAR fish_pager_color_progress:brwhite\x1e\x2d\x2dbackground\x3dcyan
+SETUVAR fish_pager_color_secondary_background:\x1d
+SETUVAR fish_pager_color_secondary_completion:\x1d
+SETUVAR fish_pager_color_secondary_description:\x1d
+SETUVAR fish_pager_color_secondary_prefix:\x1d
+SETUVAR fish_pager_color_selected_background:\x2d\x2dbackground\x3dFFCC66
+SETUVAR fish_pager_color_selected_completion:\x1d
+SETUVAR fish_pager_color_selected_description:\x1d
+SETUVAR fish_pager_color_selected_prefix:\x1d
+SETUVAR fish_user_paths:/home/h/\x2ecargo/bin\x1e/home/h/Public/go/bin\x1e/home/h/\x2elocal/bin

sources/fish/functions/fish_prompt.fish

@@ -0,0 +1,26 @@
+function fish_prompt
+    if not set -q VIRTUAL_ENV_DISABLE_PROMPT
+        set -g VIRTUAL_ENV_DISABLE_PROMPT true
+    end
+    set_color yellow
+    printf '%s' $USER
+    set_color normal
+    printf ' at '
+
+    set_color magenta
+    echo -n (prompt_hostname)
+    set_color normal
+    printf ' in '
+
+    set_color $fish_color_cwd
+    printf '%s' (prompt_pwd)
+    set_color normal
+
+    # Line 2
+    echo
+    if test -n "$VIRTUAL_ENV"
+        printf "(%s) " (set_color blue)(basename $VIRTUAL_ENV)(set_color normal)
+    end
+    printf '↪ '
+    set_color normal
+end

sources/helix/config.toml

@@ -0,0 +1,11 @@
+theme = "adwaita-dark"
+
+[editor.lsp]
+display-inlay-hints = true
+
+[editor.cursor-shape]
+insert = "bar"
+
+[editor]
+line-number = "relative"
+idle-timeout = 0