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nix-config/home/linux/README.md

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# Home Manager's Linux Submodules
1. `base`: The base module that is suitable for any NixOS environment.
2. `desktop`: Configuration for desktop environments, such as Hyprland, I3, etc.
3. `fcitx5`: fcitx5's configuration(Chinese input method).
4. `hyprland`: Hyprland's configuration.
5. `i3`: i3's configuration.
6. `server.nix`: Configuration which is suitable for both servers and desktops. It import only `base` as its submodule.
1. used by all my nixos servers.
6. `desktop-hyprland.nix`: the entrypoint of hyprland's configuration, it import all the submodules above, except `i3`.
1. used by my hyprland desktop.
7. `desktop-i3.nix`: the entrypoint of i3's configuration, it import all the submodules above, except `hyprland`.
1. used by my i3 desktop.
## Why install I3/Hyprland in Home Manager instead of a NixOS Module?
1. I3 & Hyprland's configuration file is located in `~/.config`, which can be easily managed by Home Manager.
2. There're other user-specific systemd servcies, such gammastep, wallpaper-switcher, etc. which can be easily managed by Home Manager, but if we start i3/hyprland in NixOS Module, they may failed to start automatically. With i3/hyprland installed via home-manager, we can control their systemd service's dependent order, to avoid issues like this.
3. By install as less as possible in NixOS Module, we can:
1. Make the NixOS system more secure and stable.
2. Make this flake more portable to other non-NixOS systems, as home-manager can be installed on any Linux system.