02:20 <{^_^}> Channel nixpkgs-18.03-darwin advanced to https://github.com/NixOS/nixpkgs/commit/06c576b0525 (from 2 hours ago, history: https://channels.nix.gsc.io/nixpkgs-18.03-darwin)

04:15 <{^_^}> Channel nixos-18.03-small advanced to https://github.com/NixOS/nixpkgs/commit/06c576b0525 (from 4 hours ago, history: https://channels.nix.gsc.io/nixos-18.03-small)

16:15 <{^_^}> Channel nixos-18.03-small advanced to https://github.com/NixOS/nixpkgs/commit/423be37a0b4 (from 3 hours ago, history: https://channels.nix.gsc.io/nixos-18.03-small)

19:05 <{^_^}> Channel nixos-18.03 advanced to https://github.com/NixOS/nixpkgs/commit/06c576b0525 (from 19 hours ago, history: https://channels.nix.gsc.io/nixos-18.03)

21:30 <{^_^}> Channel nixpkgs-unstable advanced to https://github.com/NixOS/nixpkgs/commit/255a833e841 (from 12 hours ago, history: https://channels.nix.gsc.io/nixpkgs-unstable)

22:17 <samueldr> !TOFU

22:17 <samueldr> !tofu

22:17 <{^_^}> To get a sha256 hash of a new source, you can use the Trust On First Use model: use probably-wrong hash (for example: 0000000000000000000000000000000000000000000000000000) then replace it with the correct hash Nix expected.