The nix overlay with storeDir, stateDir

[PedroRegisPOAR]

Nixpkgs Overlays – A place for all excluded packages by Nicolas B. Pierron (NixCon 2017), start=467 end=501

TODO: .override this

nix show-derivation nixpkgs#nix | jq '.[]."env"."configureFlags"'

NixOS/nix#585

NixOS/nix@2a9fddc

https://rgoswami.me/posts/local-nix-no-root/#patches

https://nixos.org/manual/nixpkgs/stable/#chap-overlays

https://github.com/NixOS/nixpkgs/blob/79c7b6a353e22f0eec342dead0bc69fb7ce846db/nixos/modules/services/misc/nix-daemon.nix#L75-L76

nix in custom location

https://gist.github.com/eqyiel/64007446616e412229fbfa07b6eef873

https://blog.flyingcircus.io/2017/11/07/nixos-the-dos-and-donts-of-nixpkgs-overlays/

https://discourse.nixos.org/t/why-the-overlays-defined-in-flake-nix-must-use-final-and-prev-as-arguments/9740/5

https://www.reddit.com/r/NixOS/comments/64ndq8/what_if_i_cant_create_nix_apologies_if_faq/dg4u8p3/?utm_source=reddit&utm_medium=web2x&context=3

NixOS/nix#1559

NixOS/nixpkgs#144197 (comment)

https://github.com/nix-community/nix-user-chroot

NixOS/nix#2764

nix repl --expr 'import <nixpkgs> {}' <<<'builtins.storeDir'

nix eval --raw --expr 'builtins.storeDir'

https://github.com/NixOS/nixpkgs/blob/cc5f7c2f3dd3a288c540c287c7788242a2b557c5/nixos/modules/virtualisation/qemu-vm.nix#L131

I remember doing this a couple of years ago. I think this can be compared to bootstrapping a compiler toolchain on a new target. The point being that the nix that you built is only half way. It will “live” in /nix/store but know how to build for /foo. You will need to build a third nix using that second nix that will live in /foo and build for /foo.
Knedlsepp in discourse.nixos

TODO:

• Nix and Home-manager in custom directory
• Knedlsepp in discourse.nixos
• https://ersei.net/en/blog/its-nixin-time#home-manager-where-no-hom
• https://github.com/NixOS/nix/blob/387f824cab50682e373ade49dcec4e6f99c10a42/tests/common.sh.in#L5-L13
• https://rgoswami.me/posts/local-nix-no-root/
• Building a statically linked nix for hpc environments

[Aleksanaa]

Any news on this?