Flake-based NixOS and Darwin configuration for multiple hosts.
# NixOS systems
sudo nixos-rebuild switch --flake .#hades
sudo nixos-rebuild switch --flake .#dionysus
# macOS home-manager (nyx)
home-manager switch --flake .#jupblb@nyx
# or just: home-manager switch
# Test configuration
nix flake check --impure
# Development environment
nix develop
# or use direnv: direnv allow