Lib

false

Quickly disable an option.

services.nginx = enabled;

true

Quickly enable an option.

services.nginx = enabled;

Path -> String -> String

Append text to the contents of a file

fileWithText ./some.txt "appended text"

Path -> String -> String

Prepend text to the contents of a file

fileWithText' ./some.txt "prepended text"

Type -> Any -> String

Create a NixOS module option.

lib.mkOpt nixpkgs.lib.types.str "My default" "Description of my option."

Type -> Any -> String

Create a NixOS module option without a description.

lib.mkOpt' nixpkgs.lib.types.str "My default"

Type -> Any -> String

Create a boolean NixOS module option.

lib.mkBoolOpt true "Description of my option."

Type -> Any -> String

Create a boolean NixOS module option without a description.

lib.mkBoolOpt true

{ port: Int ? null, host: String ? "127.0.0.1", proxy-web-sockets: Bool ? false, extra-config: Attrs ? { } } -> Attrs

Create proxy configuration for NGINX virtual hosts.

services.nginx.virtualHosts."example.com" = lib.network.create-proxy {
  port = 3000;
  host = "0.0.0.0";
  proxy-web-sockets = true;
  extra-config = {
    forceSSL = true;
  };
}
``

{ name: String, description: String } -> { matches: List, apply_properties: Attrs }

Renames an alsa device from a given name using the new description.

{ name: String, factory: String ? "adapter", ... } -> { factory: String, args: Attrs }

Create a pipewire audio node.

{ name: String, ... } -> { factory: "adapter", args: Attrs }

Create a virtual pipewire audio node.

{ name: String?, from: String, to: String, ... } -> { name: "libpipewire-module-loopback", args: Attrs }

Connect two pipewire audio nodes

Attrs -> Package -> Package

Override a package’s metadata

let
 new-meta = {
   description = "My new description";
 };
in
 lib.override-meta new-meta pkgs.hello

{ self: Flake, overrides: Attrs ? {} } -> Attrs

Create deployment configuration for use with deploy-rs.

mkDeploy {
  inherit self;
  overrides = {
    my-host.system.sudo = "doas -u";
  };
}