nix-config

This repo stores nix to manage my machines running NixOS and macOS.

The configuration is very specific to my own machines and setup, but it may be a useful reference for anyone else learning or experimenting with nix, whether it be on a personal workstation or a server environment.

Setup

on macOS: install the latest unstable nix from https://github.com/numtide/nix-unstable-installer (for nix flakes), and nix-darwin: https://github.com/LnL7/nix-darwin

Recipes are stored in a justfile. just is required.

To run a nixos rebuild:

just build-linux

To run a darwin rebuild:

just build-mac

Update

To update nixpkgs defined in flake.nix, run:

just update

If there are updates, they should be reflected in flake.lock.

Rollback

To rollback to the previous generation:

just rollback

Garbage collection

To cleanup previous files, run nix garbage collection:

just clean

Pre-commit hooks

Pre-commit hooks are automatically activated when direnv is installed.