hyprland-wiki/pages/Nix/Options & Overrides.md

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You can override the package through `.override` or `.overrideAttrs`. This
is easily achievable on [NixOS](../Hyprland-on-NixOS) or
[Home Manager](../Hyprland-on-Home-Manager).
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## Package options
These are the default options that the Hyprland package is built with. These
can be changed by setting the appropriate option to `true`/`false`.
### Package
```nix
(pkgs.hyprland.override { # or inputs.hyprland.packages.${pkgs.system}.hyprland
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enableXWayland = true; # whether to enable XWayland
legacyRenderer = false; # whether to use the legacy renderer (for old GPUs)
withSystemd = true; # whether to build with systemd support
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})
```
### NixOS & HM modules
```nix
programs.hyprland = { # or wayland.windowManager.hyprland
enable = true;
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xwayland.enable = true;
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};
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```
## Options descriptions
### XWayland
XWayland is enabled by default in the Nix package. You can disable it either
in the package itself, or through the module options.
### XWayland HiDPI
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See [XWayland](../../Configuring/XWayland).
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## Using Nix repl
If you're using Nix (and not NixOS or Home Manager) and you want to override,
you can do it like this
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```nix
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$ nix repl
nix-repl> :lf "github:hyprwm/Hyprland"
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nix-repl> :bl outputs.packages.x86_64-linux.hyprland.override { /* flag here */ }
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```
Then you can run Hyprland from the built path.