12 lines
389 B
Nix
12 lines
389 B
Nix
{ config, lib, pkgs, ... }:
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{
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options.nixCommunity.gc.gbFree = lib.mkOption {
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type = lib.types.int;
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default = 50;
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description = "Amount of free space in GB to keep on disk.";
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};
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config.nix.gc.options = ''
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--max-freed "$((${toString config.nixCommunity.gc.gbFree} * 1024**3 - 1024 * $(df -P -k /nix/store | tail -n 1 | ${pkgs.gawk}/bin/awk '{ print $4 }')))"
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'';
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}
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