116 lines
3.4 KiB
Markdown
116 lines
3.4 KiB
Markdown
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# nix-darwin module {#sec-install-nix-darwin-module}
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Home Manager provides a module that allows you to prepare user
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environments directly from the
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[nix-darwin](https://github.com/LnL7/nix-darwin/) configuration file,
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which often is more convenient than using the `home-manager` tool.
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To make the NixOS module available for use you must `import` it into
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your system configuration. This is most conveniently done by adding a
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Home Manager channel. For example, if you are following Nixpkgs master
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or an unstable channel, you can run
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``` console
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$ nix-channel --add https://github.com/nix-community/home-manager/archive/master.tar.gz home-manager
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$ nix-channel --update
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```
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and if you follow a Nixpkgs version 23.05 channel, you can run
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``` console
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$ nix-channel --add https://github.com/nix-community/home-manager/archive/release-23.05.tar.gz home-manager
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$ nix-channel --update
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```
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It is then possible to add
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``` nix
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imports = [ <home-manager/nix-darwin> ];
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```
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to your nix-darwin `configuration.nix` file, which will introduce a new
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NixOS option called `home-manager` whose type is an attribute set that
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maps user names to Home Manager configurations.
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For example, a nix-darwin configuration may include the lines
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``` nix
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users.users.eve = {
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name = "eve";
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home = "/Users/eve";
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}
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home-manager.users.eve = { pkgs, ... }: {
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home.packages = [ pkgs.atool pkgs.httpie ];
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programs.bash.enable = true;
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# The state version is required and should stay at the version you
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# originally installed.
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home.stateVersion = "23.05";
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};
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```
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and after a `darwin-rebuild switch` the user eve's environment should
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include a basic Bash configuration and the packages atool and httpie.
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If you do not plan on having Home Manager manage your shell
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configuration then you must add either
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``` bash
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. "$HOME/.nix-profile/etc/profile.d/hm-session-vars.sh"
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```
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or
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``` bash
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. "/etc/profiles/per-user/$USER/etc/profile.d/hm-session-vars.sh"
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```
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to your shell configuration, depending on whether
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[home-manager.useUserPackages](#nix-darwin-opt-home-manager.useUserPackages) is enabled. This
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file can be sourced directly by POSIX.2-like shells such as
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[Bash](https://www.gnu.org/software/bash/) or [Z
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shell](http://zsh.sourceforge.net/). [Fish](https://fishshell.com) users
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can use utilities such as
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[foreign-env](https://github.com/oh-my-fish/plugin-foreign-env) or
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[babelfish](https://github.com/bouk/babelfish).
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:::{.note}
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By default user packages will not be ignored in favor of
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`environment.systemPackages`, but they will be installed to
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`/etc/profiles/per-user/$USERNAME` if
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``` nix
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home-manager.useUserPackages = true;
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```
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is added to the nix-darwin configuration. This option may become the
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default value in the future.
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:::
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:::{.note}
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By default, Home Manager uses a private `pkgs` instance that is
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configured via the `home-manager.users.<name>.nixpkgs` options. To
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instead use the global `pkgs` that is configured via the system level
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`nixpkgs` options, set
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``` nix
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home-manager.useGlobalPkgs = true;
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```
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This saves an extra Nixpkgs evaluation, adds consistency, and removes
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the dependency on `NIX_PATH`, which is otherwise used for importing
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Nixpkgs.
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:::
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:::{.note}
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Home Manager will pass `osConfig` as a module argument to any modules
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you create. This contains the system's nix-darwin configuration.
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``` nix
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{ lib, pkgs, osConfig, ... }:
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```
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:::
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Once installed you can see [Using Home Manager](#ch-usage) for a more detailed
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description of Home Manager and how to use it.
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