🎨 (hydrogen/system) format nix settings file + enable experimental features
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@ -1,4 +1,4 @@
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{ ... }: {
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{ lib, pkgs, nixpkgs, ... }: {
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# optimizations
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# optimizations
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nix.settings.auto-optimise-store = true;
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nix.settings.auto-optimise-store = true;
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@ -8,4 +8,16 @@
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dates = "weekly";
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dates = "weekly";
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options = "--delete-older-than 30d";
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options = "--delete-older-than 30d";
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};
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};
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# experimental features
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nix.settings.experimental-features = [ "nix-command" "flakes" ];
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# pin nixpkgs registry
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nix.registry.nixpkgs.flake = nixpkgs;
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# print diff between two generations
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system.activationScripts.nvd-report-changes = ''
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PATH=$PATH:${lib.makeBinPath [ pkgs.nvd pkgs.nix ]}
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nvd diff $(ls -dv /nix/var/nix/profiles/system-*-link | tail -2)
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'';
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}
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}
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