(CORRECTIONS IN THE DESCRIPTION)

What is Nix? And how does it build software in a completely deterministic way?

Chapters:
0:00 - Intro
0:45 - How Nix came to be
3:37 - Install Nix
4:13 - Nix Language speedrun
7:23 - builtins
8:09 - Paths and the Nix store
9:52 - Derivations
17:25 - Nixpkgs
18:05 - Remote Caches & dependency trees
19:30 - stdenv
22:03 - lib
22:30 - NixOS
22:58 - Outro

Corrections:
- Paths only get expanded to their store path during string interpolation (i.e. `${./my-file.txt}`). `builtins.toString` does not do that. (Thanks @tejing2001)
- My example of using the system’s compiler only worked because MacOS does not provider proper containerization. On Linux you are (more) safe from accidentally writing an impure derivation. (Thanks @tejing2001)
- buildPhase, installPhase (and other phases) have hooks that need to be invoked from the script you provide. I did not do that and it is usually a mistake. Details about the phases and their hooks is in the nixpkgs manual (Thanks @tejing2001).

Resources:
PhD Thesis: https://edolstra.github.io/pubs/phd-t...
Nix & NixOS: https://nixos.org
Nixpkgs manual: https://nixos.org/manual/nixpkgs/stable/
Package manager graphs: https://repology.org/repositories/graphs
Noogle: https://noogle.dev/
Nixpkgs search: https://search.nixos.org/packages
Nix flakes: https://nixos.wiki/wiki/Flakes
Cachix: https://www.cachix.org/
Home Manager: https://nix-community.github.io/home-...
Nix pills: https://nixos.org/guides/nix-pills/

Music: “Good Night” by FASSSound
https://pixabay.com/music/beats-good-...

Video software:
Motion Canvas: https://motioncanvas.io/