Daily Usage

Nix Helper (nh)

nh is a convenience wrapper around common Nix operations.

With FLAKE set in your environment:

nh os switch      # Update NixOS
nh home switch    # Update Home Manager
nh clean all      # Garbage collection

Without FLAKE:

nh os switch ~/.config/flake#<device-name>
nh home switch ~/.config/flake#<username>

Set FLAKE via environment.sessionVariables.FLAKE in your system config.

Clean-up

nix-collect-garbage --delete-older-than 30d
nh clean all

Git Fetchers

When adding a package from a git source, you need the commit and the Nix hash.

nix run nixpkgs#nix-prefetch-git https://github.com/EliverLara/candy-icons

Alternatively, leave the hash field empty in your derivation, attempt a build, and copy the hash from the error message.

Dev Shells

Available shells (see shells/):

nix develop .#go
nix develop .#python
nix develop .#nix   # includes statix, deadnix, nixfmt