nix-config/hosts/JWST/flake.nix.bk

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{
description = "Aria's NixOS Flake";
nixConfig = {
experimental-features = [ "nix-command" "flakes" ];
substituters = [
"https://cache.nixos.org/"
];
extra-substituters = [
# Nix community's cache server
"https://nix-community.cachix.org"
];
extra-trusted-public-keys = [
"nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
];
};
# This is the standard format for flake.nix.
# `inputs` are the dependencies of the flake,
# and `outputs` function will return all the build results of the flake.
# Each item in `inputs` will be passed as a parameter to
# the `outputs` function after being pulled and built.
inputs = {
# There are many ways to reference flake inputs.
# The most widely used is `github:owner/name/reference`,
# which represents the GitHub repository URL + branch/commit-id/tag.
# Official NixOS package source, using nixos-unstable branch here
nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
# home-manager, used for managing user configuration
home-manager = {
url = "github:nix-community/home-manager/release-23.05";
# The `follows` keyword in inputs is used for inheritance.
# Here, `inputs.nixpkgs` of home-manager is kept consistent with
# the `inputs.nixpkgs` of the current flake,
# to avoid problems caused by different versions of nixpkgs.
inputs.nixpkgs.follows = "nixpkgs";
};
neovim.url = "github:neovim/neovim/stable";
};
# `outputs` are all the build result of the flake.
#
# A flake can have many use cases and different types of outputs.
#
# parameters in function `outputs` are defined in `inputs` and
# can be referenced by their names. However, `self` is an exception,
# this special parameter points to the `outputs` itself(self-reference)
#
# The `@` syntax here is used to alias the attribute set of the
# inputs's parameter, making it convenient to use inside the function.
outputs = { self, nixpkgs, ... }@inputs: {
nixosConfigurations = {
# By default, NixOS will try to refer the nixosConfiguration with
# its hostname, so the system named `Voyager` will use this one.
# However, the configuration name can also be specified using:
# sudo nixos-rebuild switch --flake /path/to/flakes/directory#<name>
#
# The `nixpkgs.lib.nixosSystem` function is used to build this
# configuration, the following attribute set is its parameter.
#
# Run the following command in the flake's directory to
# deploy this configuration on any NixOS system:
# sudo nixos-rebuild switch --flake .#Voyager
"Voyager" = nixpkgs.lib.nixosSystem {
system = "x86_64-linux";
# The Nix module system can modularize configuration,
# improving the maintainability of configuration.
#
# Each parameter in the `modules` is a Nix Module, and
# there is a partial introduction to it in the nixpkgs manual:
# <https://nixos.org/manual/nixpkgs/unstable/#module-system-introduction>
# It is said to be partial because the documentation is not
# complete, only some simple introductions.
# such is the current state of Nix documentation...
#
# A Nix Module can be an attribute set, or a function that
# returns an attribute set. By default, if a Nix Module is a
# function, this function can only have the following parameters:
#
# lib: the nixpkgs function library, which provides many
# useful functions for operating Nix expressions:
# https://nixos.org/manual/nixpkgs/stable/#id-1.4
# config: all config options of the current flake, every useful
# options: all options defined in all NixOS Modules
# in the current flake
# pkgs: a collection of all packages defined in nixpkgs,
# plus a set of functions related to packaging.
# you can assume its default value is
# `nixpkgs.legacyPackages."${system}"` for now.
# can be customed by `nixpkgs.pkgs` option
# modulesPath: the default path of nixpkgs's modules folder,
# used to import some extra modules from nixpkgs.
# this parameter is rarely used,
# you can ignore it for now.
#
# Only these parameters can be passed by default.
# If you need to pass other parameters,
# you must use `specialArgs` by uncomment the following line:
#
# specialArgs = {...} # pass custom arguments into all sub module.
modules = [
# Import the configuration.nix here, so that the
# old configuration file can still take effect.
# Note: configuration.nix itself is also a Nix Module,
./configuration.nix
];
};
};
};
}