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Step 1 Clone Nixpkgs Locally

To evaluate the above code you could use this inside neovim:

I’ll show the process of adding the pokego package that is not in Nixpkgs:

In Nix, the process of managing software starts with package definitions. These are files written in the Nix language that describe how a particular piece of software should be built. These package definitions, when processed by Nix, are translated into derivations.

A key benefit of Nix Flakes is their default enforcement of pure evaluation.

This code defines a reusable NixOS module (nixosModules.default).

A derivation in Nix is a fundamental concept that describes how to build a piece of software or a resource (e.g., a package, library, or configuration file). Think of it as a recipe for creating something within the Nix ecosystem.

Start by creating a directory to hold your project, I called mine meow:

For example, here is a snippet of some variables I set:

A local Nixpkgs repository offers significant advantages for Nix developers: