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42 lines
1.4 KiB
Markdown
42 lines
1.4 KiB
Markdown
# Prerequisites {#sec-flakes-prerequisites}
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- Install Nix 2.4 or later, or have it in `nix-shell`.
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- Enable experimental features `nix-command` and `flakes`.
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- When using NixOS, add the following to your `configuration.nix`
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and rebuild your system.
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``` nix
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nix = {
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package = pkgs.nixFlakes;
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extraOptions = ''
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experimental-features = nix-command flakes
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'';
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};
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```
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- If you are not using NixOS, add the following to `nix.conf`
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(located at `~/.config/nix/` or `/etc/nix/nix.conf`).
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``` bash
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experimental-features = nix-command flakes
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```
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You may need to restart the Nix daemon with, for example,
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`sudo systemctl restart nix-daemon.service`.
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- Alternatively, you can enable flakes on a per-command basis with
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the following additional flags to `nix` and `home-manager`:
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``` shell
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$ nix --extra-experimental-features "nix-command flakes" <sub-commands>
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$ home-manager --extra-experimental-features "nix-command flakes" <sub-commands>
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```
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- Prepare your Home Manager configuration (`home.nix`).
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Unlike the channel-based setup, `home.nix` will be evaluated when
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the flake is built, so it must be present before bootstrap of Home
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Manager from the flake. See [Configuration Example](#sec-usage-configuration) for
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introduction about writing a Home Manager configuration.
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