mirror of
https://github.com/ryan4yin/nix-config.git
synced 2026-03-27 03:41:30 +01:00
feat: redesign the project structure
This commit is contained in:
ryan4yin
87
flake.nix
87
flake.nix
@@ -1,12 +1,6 @@
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{
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description = "NixOS configuration of Ryan Yin";
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# flake 为了确保够纯，它不依赖系统自身的 /etc/nix/nix.conf，而是在 flake.nix 中通过 nixConfig 设置
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# 但是为了确保安全性，flake 默认仅允许直接设置少数 nixConfig 参数，其他参数都需要在执行 nix 命令时指定 `--accept-flake-config`，否则会被忽略
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# <https://nixos.org/manual/nix/stable/command-ref/conf-file.html>
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# 如果有些包国内镜像下载不到，它仍然会走国外，这时候就得靠旁路由来解决了。
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# 临时修改默认网关为旁路由: sudo ip route add default via 192.168.5.201
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# sudo ip route del default via 192.168.5.201
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nixConfig = {
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experimental-features = [ "nix-command" "flakes" ];
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@@ -31,13 +25,17 @@
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];
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};
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# 这是 flake.nix 的标准格式，inputs 是 flake 的依赖，outputs 是 flake 的输出
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# inputs 中的每一项都被拉取、构建后，被作为参数传递给 outputs 函数
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inputs = {
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# flake inputs 有很多种引用方式，应用最广泛的是 github 的引用方式
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nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable"; # 使用 nixos-unstable 分支 for nix flakes
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nixpkgs-stable.url = "github:nixos/nixpkgs/nixos-23.05"; # unstable branch may be broken sometimes, use stable branch when necessary
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# This is the standard format for flake.nix. `inputs` are the dependencies of the flake,
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# and `outputs` function will return all the build results of the flake.
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# Each item in `inputs` will be passed as a parameter to the `outputs` function after being pulled and built.
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inputs = {
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# There are many ways to reference flake inputs. The most widely used is github:owner/name/reference,
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# which represents the GitHub repository URL + branch/commit-id/tag.
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# Official NixOS package source, using nixos-unstable branch here
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nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
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nixpkgs-stable.url = "github:nixos/nixpkgs/nixos-23.05";
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# for macos
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nixpkgs-darwin.url = "github:nixos/nixpkgs/nixpkgs-23.05-darwin";
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@@ -51,10 +49,14 @@
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# e.g. wechat-uos/qqmusic/dingtalk
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nur.url = "github:nix-community/NUR";
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home-manager.url = "github:nix-community/home-manager";
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# follows 是 inputs 中的继承语法
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# 这里使 home-manager 的 nixpkgs 这个 inputs 与当前 flake 的 inputs.nixpkgs 保持一致，避免依赖的 nixpkgs 版本不一致导致问题
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home-manager.inputs.nixpkgs.follows = "nixpkgs";
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# home-manager, used for managing user configuration
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home-manager = {
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url = "github:nix-community/home-manager";
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# The `follows` keyword in inputs is used for inheritance.
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# Here, `inputs.nixpkgs` of home-manager is kept consistent with the `inputs.nixpkgs` of the current flake,
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# to avoid problems caused by different versions of nixpkgs dependencies.
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inputs.nixpkgs.follows = "nixpkgs";
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};
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# modern window compositor
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hyprland.url = "github:hyprwm/Hyprland/v0.25.0";
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@@ -77,9 +79,11 @@
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nil.url = "github:oxalica/nil/2023-05-09";
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};
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# outputs 的参数都是 inputs 中定义的依赖项，可以通过它们的名称来引用。
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# 不过 self 是个例外，这个特殊参数指向 outputs 自身（自引用），以及 flake 根目录
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# 这里的 @ 语法将函数的参数 attribute set 取了个别名，方便在内部使用
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# `outputs` are all the build result of the flake.
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# A flake can have many use cases and different types of outputs.
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# parameters in `outputs` are defined in `inputs` and can be referenced by their names.
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# However, `self` is an exception, This special parameter points to the `outputs` itself (self-reference)
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# The `@` syntax here is used to alias the attribute set of the inputs's parameter, making it convenient to use inside the function.
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outputs = inputs@{
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self,
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nixpkgs,
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@@ -88,49 +92,67 @@
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...
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}: {
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nixosConfigurations = {
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# By default, NixOS will try to refer the nixosConfiguration with its hostname.
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# so the system named `msi-rtx4090` will use this configuration.
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# However, the configuration name can also be specified using `sudo nixos-rebuild switch --flake /path/to/flakes/directory#<name>`.
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# The `nixpkgs.lib.nixosSystem` function is used to build this configuration, the following attribute set is its parameter.
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# Run `sudo nixos-rebuild switch --flake .#msi-rtx4090` in the flake's directory to deploy this configuration on any NixOS system
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msi-rtx4090 = nixpkgs.lib.nixosSystem {
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system = "x86_64-linux";
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specialArgs = inputs;
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# The Nix module system can modularize configurations, improving the maintainability of configurations.
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#
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# Each parameter in the `modules` is a Nix Module, and there is a partial introduction to it in the nixpkgs manual:
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# <https://nixos.org/manual/nixpkgs/unstable/#module-system-introduction>
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# It is said to be partial because the documentation is not complete, only some simple introductions
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# (such is the current state of Nix documentation...)
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# A Nix Module can be an attribute set, or a function that returns an attribute set.
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# If a Module is a function, according to the Nix Wiki description, this function can have up to four parameters:
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#
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# config: The configuration of the entire system
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# options: All option declarations refined with all definition and declaration references.
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# pkgs: The attribute set extracted from the Nix package collection and enhanced with the nixpkgs.config option.
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# modulesPath: The location of the module directory of Nix.
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#
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# Only these four parameters can be passed by default.
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# If you need to pass other parameters, you must use `specialArgs` by uncomment the following line
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specialArgs = inputs; # pass all inputs into all sub modules.
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modules = [
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./hosts/msi-rtx4090
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# home-manager 作为 nixos 的一个 module
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# 这样在 nixos-rebuild switch 时，home-manager 也会被自动部署，不需要额外执行 home-manager switch 命令
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# make home-manager as a module of nixos
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# so that home-manager configuration will be deployed automatically when executing `nixos-rebuild switch`
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home-manager.nixosModules.home-manager
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{
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home-manager.useGlobalPkgs = true;
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home-manager.useUserPackages = true;
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# 使用 home-manager.extraSpecialArgs 自定义传递给 ./home 的参数
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# pass all inputs into home manager's all sub modules
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home-manager.extraSpecialArgs = inputs;
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home-manager.users.ryan = import ./home/home-x11.nix;
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home-manager.users.ryan = import ./home/linux/x11.nix;
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}
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];
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};
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nixos-test = nixpkgs.lib.nixosSystem {
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system = "x86_64-linux";
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specialArgs = inputs;
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modules = [
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./hosts/nixos-test
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# home-manager 作为 nixos 的一个 module
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# 这样在 nixos-rebuild switch 时，home-manager 也会被自动部署，不需要额外执行 home-manager switch 命令
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home-manager.nixosModules.home-manager
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{
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home-manager.useGlobalPkgs = true;
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home-manager.useUserPackages = true;
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# 使用 home-manager.extraSpecialArgs 自定义传递给 ./home 的参数
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home-manager.extraSpecialArgs = inputs;
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home-manager.users.ryan = import ./home/home-wayland.nix;
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home-manager.users.ryan = import ./home/linux/wayland.nix;
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}
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];
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};
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};
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# configurations for MacOS
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darwinConfigurations."harmonica" = darwin.lib.darwinSystem {
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system = "x86_64-darwin";
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@@ -138,16 +160,13 @@
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modules = [
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./hosts/harmonica
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# home-manager 作为 nixos 的一个 module
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# 这样在 nixos-rebuild switch 时，home-manager 也会被自动部署，不需要额外执行 home-manager switch 命令
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home-manager.darwinModules.home-manager
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{
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home-manager.useGlobalPkgs = true;
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home-manager.useUserPackages = true;
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# 使用 home-manager.extraSpecialArgs 自定义传递给 ./home 的参数
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home-manager.extraSpecialArgs = inputs;
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home-manager.users.admin = import ./home/home-darwin.nix;
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home-manager.users.admin = import ./home/darwin;
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}
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];
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};
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