Nix

flake.nix Template for DevShell

#

{
  description = "project shell";

  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";

  outputs = { self, nixpkgs, ... }:
    let
      system = "x86_64-linux";
      pkgs = import nixpkgs { inherit system; };
    in {
      devShells.${system}.default = pkgs.mkShell {
        packages = with pkgs; [
          # tools go here
        ];
      };
    };
}

Update flake lock (optionally, restrict to single input by name)

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nix flake update [foo]

Start Nix Shell with program foo

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nix-shell -p foo

Spawn OpenAI Codex

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nix --extra-experimental-features nix-command --extra-experimental-features flakes shell nixpkgs#nodejs -c npx @openai/codex

Collect Garbage

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nix-collect-garbage

ionice nixpkgs-review

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ionice -c3 nice -n 19 nixpkgs-review rev HEAD