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Nixpkgs Architecture

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Discussions about Nixpkgs' architecture - https://github.com/NixOS/nixpkgs/labels/architecture48 Servers

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8 Mar 2024
@Minijackson:matrix.orgMinijacksonI think it'd be a really nice improvements in my own projects18:20:34
@infinisil:matrix.orginfinisil Minijackson: You can fairly easily use the basic pattern. The tricky bit is ensuring it's correct, though even that can be implemented fairly easily just in Nix. Nixpkgs has unique constraints that make it much trickier to do that 18:22:11
@infinisil:matrix.orginfinisil

Minijackson: This is the most basic thing you could use/copy: https://github.com/NixOS/nixpkgs/blob/master/pkgs/top-level/by-name-overlay.nix

The sharding doesn't make a lot of sense when you don't have a lot of packages, so I recommend just removing that for personal use

18:23:16
@infinisil:matrix.orginfinisil Really at that point it's just a mapAttrs (name: _: callPackage (./ + "${name}") { }) (readDir ./.) 18:23:56
@infinisil:matrix.orginfinisilFairly standard pattern already :)18:24:08
@Minijackson:matrix.orgMinijacksonthanks a lot!18:24:27
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@jade_:matrix.org@jade_:matrix.orgI just filed: https://github.com/NixOS/nixpkgs/pull/294353 In writing this I realized that we have both makeExtensible and makeScope. Is there any reason to use makeScope over makeExtensible? Have we written down somewhere secret which one to use in which cases?20:46:54
@jade_:matrix.org@jade_:matrix.orgRelated question: in things like the nix packaging, what is the best practice for exposing internals like the boehmgc-nix package while avoiding unnecessarily confusing users with bonus attributes they probably don't care about? https://github.com/nixos/nixpkgs/blob/9080c3655bf8094f99c8c7cb548fd0ee75928260/pkgs/tools/package-management/nix/default.nix#L17-L16220:49:33

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