27 lines
929 B
Nix
27 lines
929 B
Nix
{ inputs, lib, ... }:
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{
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nix = {
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settings = {
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# Enable experimental features for modern Nix commands and flakes
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experimental-features = [ "nix-command" "flakes" ];
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# Allow users in the wheel group to manage the Nix store
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trusted-users = [ "root" "@wheel" ];
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# Optimize storage by hard-linking identical files
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auto-optimise-store = lib.mkDefault true;
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};
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# Populates NIX_PATH with the nixpkgs input from the flake.
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# This is critical for making 'nix-shell -p ...' and other legacy
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# Nix commands work in a flake-based environment without channels.
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nixPath = [ "nixpkgs=${inputs.nixpkgs}" ];
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# Map all flake inputs to the system registry.
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# This ensures 'nix shell nixpkgs#...' uses the exact same version
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# as the rest of the system and doesn't need to re-download.
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registry = lib.mapAttrs (_: value: { flake = value; }) inputs;
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};
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}
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