13-overlay

This example shows a small flake overlay.

It includes:

  • overlays.default,
  • one package added by the overlay,
  • a package output that imports nixpkgs with that overlay, and
  • a check run by nix flake check.

Useful commands:

nix build
./result/bin/hello-overlay

nix run
nix flake check
nix flake show