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17 KiB
17 KiB
Useful Nix bits
- Importing a NixOS module that is not in nixpkgs
- Build a firefox addon
- Define shell utility as package
- Add program with prebuild binaries to nix store
- Patch a utilty for nix paths:
- let-block for overriding a package in nixpkgs (here: replacing airsonic with airsonic-advanced)
- Reference configurations
This pages houses a few configuration snippets that might be useful if you are new to the nix ecosystem. It will be infrequently updated as I come across things that I deem to be interesting to such a reader.
Importing a NixOS module that is not in nixpkgs
This requires changes in multiple locations. As an example we will use an early version of the mautrix-signal module by Niklas Korz.
-
Add the module source to flake.nix:
{ inputs = { [...] # provides expressions for mautrix-signal nixpkgs-mautrix-signal ={ url = github:niklaskorz/nixpkgs/nixos-23.11-mautrix-signal; }; [...] }; outputs = inputs@{ self, [...] nixpkgs-mautrix-signal, [...] }: let [...] pkgsmautrix = import nixpkgs-mautrix-signal { inherit system; config.allowUnfree = true; }; [...] in { nixosConfigurations = { matrix = nixpkgs.lib.nixosSystem { pkgs = pkgsmautrix; # this is to import a service module that is not on nixpkgs # this way avoids infinite recursion errors specialArgs.unstable = nixpkgs-mautrix-signal; modules = [ [...] ]; }; }; } } -
Import the module in the configuration:
[...] imports = [ [...] (unstable + "/nixos/modules/services/matrix/mautrix-signal.nix") ]; [...]
Build a firefox addon
- app id can be found in the manifest.json file of the .xpi (.xpi is just a normal archive)
- url can be found by copy url of the "add extension" button on the addon page
- the rest of the information is also found in the manifest.json, but might not be needed
programs.firefox = {
[...]
profiles.default = {
[...]
extensions = with pkgs.nur.repos.rycee.firefox-addons; [
[...]
(buildFirefoxXpiAddon {
pname = ":emoji:";
version = "0.1.3";
addonId = "gonelf@gmail.com";
url = "https://addons.mozilla.org/firefox/downloads/file/3365324/emojidots-0.1.3.xpi";
sha256 = "4f7cc25c478fe52eb82f37c9ff4978dcaa3f95020398c5b184e517f6efa2c201";
meta = with lib;
{
description = "emoji autocomplete anywhere on the internet";
mozPermissions = [ "https://gist.githubusercontent.com/gonelf/d8ae3ccb7902b501c4a5dd625d4089da/raw/5eeda197ba92f8c8139e846a1225d5640077e06f/emoji_pretty.json" "tabs" "storage"];
platforms = platforms.all;
};
})
[...]Define shell utility as package
home.packages = with pkgs; [ # or for NixOS environment.systemPackages = with pkgs; [
[...]
(pkgs.writeShellApplication {
name = "pass-fuzzel";
runtimeInputs = [ pkgs.pass pkgs.fuzzel ];
text = ''
shopt -s nullglob globstar
typeit=0
if [[ $# -ge 1 && $1 == "--type" ]]; then
typeit=1
shift
fi
export PASSWORD_STORE_DIR=~/.local/share/password-store
prefix=''${PASSWORD_STORE_DIR-~/.local/share/password-store}
password_files=( "$prefix"/**/*.gpg )
password_files=( "''${password_files[@]#"$prefix"/}" )
password_files=( "''${password_files[@]%.gpg}" )
password=$(printf '%s\n' "''${password_files[@]}" | fuzzel --dmenu "$@")
[[ -n $password ]] || exit
if [[ $typeit -eq 0 ]]; then
pass show -c "$password" &>/tmp/pass-fuzzel
else
pass show "$password" | { IFS= read -r pass; printf %s "$pass"; } | wtype -
fi
notify-send -u critical -a pass -t 1000 "Copied/Typed Password"
'';
})
[...]Add program with prebuild binaries to nix store
home.packages = with pkgs; [ # or for NixOS environment.systemPackages = with pkgs; [
[...]
(stdenv.mkDerivation {
name = "oama";
src = pkgs.fetchurl {
name = "oama";
url = "https://github.com/pdobsan/oama/releases/download/0.13.1/oama-0.13.1-Linux-x86_64-static.tgz";
sha256 = "sha256-OTdCObVfnMPhgZxVtZqehgUXtKT1iyqozdkPIV+i3Gc=";
};
phases = [
"unpackPhase"
];
unpackPhase = ''
mkdir -p $out/bin
tar xvf $src -C $out/
mv $out/oama-0.13.1-Linux-x86_64-static/oama $out/bin/
'';
})
[...]Patch a utilty for nix paths:
let-block for overriding a package in nixpkgs (here: replacing airsonic with airsonic-advanced)
This can be useful if a module does not let you use your own package yourself.
pkgs = import nixpkgs { inherit system;
overlays = [ emacs-overlay.overlay
nur.overlay
nixgl.overlay
(self: super: {
airsonic = super.airsonic.overrideAttrs (_: rec {
version = "11.0.2-kagemomiji";
name = "airsonic-advanced-${version}";
src = super.fetchurl {
url = "https://github.com/kagemomiji/airsonic-advanced/releases/download/11.0.2/airsonic.war";
sha256 = "PgErtEizHraZgoWHs5jYJJ5NsliDd9VulQfS64ackFo=";
};
});
})
];
config.allowUnfree = true;
};Reference configurations
Configurations that I have retired or are there for the general study.
non-nixos
My Surface Pro 3, only used for on-the-go university work. Be careful when pushing large changes to this machine, as it easily runs out of memory on large switches. At the moment the only machine running non-NixOS, so special care must be taken not to break this one during updates.
Channel setup
This installs nixGL, which is needed to run GL apps installed through home-manager, since this machine is not using NixOS.
This is not super clean (because it is not fully replicative), but I do not really care.
- Install nixGL:
nix-channel --add https://github.com/guibou/nixGL/archive/main.tar.gz nixgl && nix-channel --update
nix-env -iA nixgl.auto.nixGLDefault # or replace `nixGLDefault` with your desired wrapperThis is needed in order to use EGL. Prefix programs that use it with `nixGL`
Home manager
Special things to note here: We are running xcape to allow CAPS to act as CTRL and ESC. Also we are using nixGL in most places.
{ config, pkgs, lib, fetchFromGitHub, ... }:
{
programs.home-manager.enable = true;
home.username = "leons";
home.homeDirectory = "/home/leons";
home.stateVersion = "23.05"; # Please read the comment before changing.
stylix.image = ../../wallpaper/surfacewp.png;
<<theme>>
nixpkgs = {
config = {
allowUnfree = true;
allowUnfreePredicate = (_: true);
};
};
services.xcape = {
enable = true;
mapExpression = {
Control_L = "Escape";
};
};
#keyboard config
home.keyboard.layout = "us";
sops.age.sshKeyPaths = [ "${config.home.homeDirectory}/.ssh/sops" ];
# waybar config
programs.waybar.settings.mainBar.cpu.format = "{icon0} {icon1} {icon2} {icon3}";
programs.waybar.settings.mainBar.temperature.hwmon-path = "/sys/devices/platform/coretemp.0/hwmon/hwmon3/temp3_input";
programs.waybar.settings.mainBar.modules-right = ["custom/outer-left-arrow-dark" "mpris" "custom/left-arrow-light"
"network"
"custom/left-arrow-dark"
"pulseaudio"
"custom/left-arrow-light"
"battery"
"custom/left-arrow-dark"
"temperature"
"custom/left-arrow-light"
"disk"
"custom/left-arrow-dark"
"memory"
"custom/left-arrow-light"
"cpu"
"custom/left-arrow-dark"
"tray"
"custom/left-arrow-light"
"clock#2"
"custom/left-arrow-dark"
"clock#1" ];
services.blueman-applet.enable = true;
home.packages = with pkgs; [
# nixgl.auto.nixGLDefault
evince
# nodejs_20
# messaging
# we use gomuks for RAM preservation, but keep schildi around for files and images
];
programs.zsh.initExtra = "
export GPG_TTY=\"$(tty)\"
export SSH_AUTH_SOCK=$(gpgconf --list-dirs agent-ssh-socket)
gpgconf --launch gpg-agent
";
# sway config
wayland.windowManager.sway= {
config = rec {
input = {
"*" = {
xkb_layout = "us";
xkb_options = "ctrl:nocaps,grp:win_space_toggle";
xkb_variant = "altgr-intl";
};
"type:touchpad" = {
dwt = "enabled";
tap = "enabled";
natural_scroll = "enabled";
middle_emulation = "enabled";
};
};
output = {
eDP-1 = {
mode = "2160x1440@59.955Hz";
scale = "1";
bg = "~/.dotfiles/wallpaper/surfacewp.png fill";
};
};
keybindings = let
modifier = config.wayland.windowManager.sway.config.modifier;
in {
"${modifier}+F2" = "exec brightnessctl set +5%";
"${modifier}+F1"= "exec brightnessctl set 5%-";
"${modifier}+n" = "exec sway output eDP-1 transform normal, splith";
"${modifier}+Ctrl+p" = "exec nixGL wl-mirror eDP-1";
"${modifier}+t" = "exec sway output eDP-1 transform 90, splitv";
"${modifier}+XF86AudioLowerVolume" = "exec grim -g \"$(slurp)\" -t png - | wl-copy -t image/png";
"${modifier}+XF86AudioRaiseVolume" = "exec grim -g \"$(slurp)\" -t png - | wl-copy -t image/png";
"${modifier}+w" = "exec \"bash ~/.dotfiles/scripts/checkgomuks.sh\"";
};
startup = [
{ command = "sleep 60 && nixGL nextcloud --background";}
# { command = "sleep 60 && nixGL spotify";}
{ command = "sleep 60 && nixGL discord --start-minimized -enable-features=UseOzonePlatform -ozone-platform=wayland";}
# { command = "sleep 60 && nixGL schildichat-desktop --hidden";}
{ command = "sleep 60 && nixGL syncthingtray --wait"; }
{ command = "sleep 60 && ANKI_WAYLAND=1 nixGL anki";}
{ command = "nm-applet --indicator";}
{ command = "sleep 60 && OBSIDIAN_USE_WAYLAND=1 nixGL obsidian -enable-features=UseOzonePlatform -ozone-platform=wayland";}
];
keycodebindings = {
"124" = "exec systemctl suspend";
};
};
extraConfig = "
exec swaymsg input 7062:6917:NTRG0001:01_1B96:1B05 map_to_output eDP-1
exec swaymsg input 7062:6917:NTRG0001:01_1B96:1B05_Stylus map_to_output eDP-1
";
};
}nixos
Onett (Lenovo Y510P)
My laptop, sadly soon to be replaced by a new one, since most basic functions are stopping to work lately.
NixOS
{ config, lib, pkgs, inputs, ... }:
{
<<wrap>>
services = {
greetd.settings.initial_session.user ="swarsel";
xserver.videoDrivers = ["nvidia"];
};
hardware = {
nvidia = {
modesetting.enable = true;
powerManagement.enable = true;
prime = {
intelBusId = "PCI:0:2:0";
nvidiaBusId = "PCI:1:0:0";
sync.enable = true;
};
};
pulseaudio.configFile = pkgs.runCommand "default.pa" {} ''
sed 's/module-udev-detect$/module-udev-detect tsched=0/' \
${pkgs.pulseaudio}/etc/pulse/default.pa > $out
'';
bluetooth.enable = true;
};
stylix.image = ../../wallpaper/lenovowp.png;
<<theme>>
boot.loader.grub = {
enable = true;
device = "/dev/sda";
useOSProber = true;
};
networking.hostName = "onett"; # Define your hostname.
networking.enableIPv6 = false;
users.users.swarsel = {
isNormalUser = true;
description = "Leon S";
extraGroups = [ "networkmanager" "wheel" "lp"];
packages = with pkgs; [];
};
system.stateVersion = "23.05"; # Did you read the comment?
environment.systemPackages = with pkgs; [
];
}Home Manager
{ config, pkgs, lib, fetchFromGitHub, ... }:
{
<<gpgagent>>
home = {
username = "swarsel";
homeDirectory = "/home/swarsel";
stateVersion = "23.05"; # Please read the comment before changing.
keyboard.layout = "de";
packages = with pkgs; [
];
};
sops.age.sshKeyPaths = [ "${config.home.homeDirectory}/.ssh/sops" ];
# # waybar config
programs.waybar.settings.mainBar = {
cpu.format = "{icon0} {icon1} {icon2} {icon3} {icon4} {icon5} {icon6} {icon7}";
temperature.hwmon-path = "/sys/devices/platform/coretemp.0/hwmon/hwmon3/temp3_input";
};
<<waybarlaptop>>
services.blueman-applet.enable = true;
wayland.windowManager.sway= {
config = rec {
input = {
"1:1:AT_Translated_Set_2_keyboard" = {
xkb_layout = "us";
xkb_options = "grp:win_space_toggle";
# xkb_options = "ctrl:nocaps,grp:win_space_toggle";
xkb_variant = "altgr-intl";
};
"2362:33538:ipad_keyboard_Keyboard" = {
xkb_layout = "us";
xkb_options = "altwin:swap_lalt_lwin,ctrl:nocaps,grp:win_space_toggle";
xkb_variant = "colemak_dh";
};
"36125:53060:splitkb.com_Kyria_rev3" = {
xkb_layout = "us";
xkb_variant = "altgr-intl";
};
"type:touchpad" = {
dwt = "enabled";
tap = "enabled";
natural_scroll = "enabled";
middle_emulation = "enabled";
};
};
output = {
eDP-1 = {
mode = "1920x1080";
scale = "1";
bg = "~/.dotfiles/wallpaper/lenovowp.png fill";
position = "1920,0";
};
VGA-1 = {
mode = "1920x1080";
scale = "1";
bg = "~/.dotfiles/wallpaper/lenovowp.png fill";
position = "0,0";
};
};
keybindings = let
modifier = config.wayland.windowManager.sway.config.modifier;
in {
"${modifier}+F2" = "exec brightnessctl set +5%";
"${modifier}+F1"= "exec brightnessctl set 5%-";
"XF86MonBrightnessUp" = "exec brightnessctl set +5%";
"XF86MonBrightnessDown"= "exec brightnessctl set 5%-";
"${modifier}+Ctrl+p" = "exec wl-mirror eDP-1";
"XF86HomePage" = "exec wtype -P Escape -p Escape";
"${modifier}+w" = "exec \"bash ~/.dotfiles/scripts/checkschildi.sh\"";
};
keycodebindings = {
"94" = "exec wtype c";
"Shift+94" = "exec wtype C";
"Ctrl+94" = "exec wtype -M ctrl c -m ctrl";
"Ctrl+Shift+94" = "exec wtype -M ctrl -M shift c -m ctrl -m shift";
};
startup = [
<<startupnixos>>
];
};
extraConfig = "
";
};
}