51 lines
1.8 KiB
Nix
51 lines
1.8 KiB
Nix
{ inputs
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, lib
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, pkgs
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, ...
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}:
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let
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mainConfig = import "${inputs.chaotic}/pkgs/linux-cachyos/config-nix/cachyos.x86_64-linux.nix";
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usedModules = builtins.readFile ./modprobed.db;
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toLowerParts = list: (lib.lists.unique
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(lib.lists.flatten
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(builtins.map
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(elem: (lib.strings.splitString "_" (lib.strings.toLower elem)))
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list)));
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usedModuleNames = builtins.map (x: lib.strings.toLower x) (lib.strings.splitString "\n" usedModules);
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usedModuleNameParts = toLowerParts usedModuleNames;
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filterParts = [ "crypto" "intel" "hid" "drm" "x86" "64" "" ];
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usedModuleNamePartsFiltered = (lib.lists.partition (elem: !(builtins.elem elem filterParts)) usedModuleNameParts).right;
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usedModuleNamePartsTrace = builtins.trace usedModuleNameParts usedModuleNamePartsFiltered;
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filteredConfig = builtins.listToAttrs (
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builtins.map
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(attr:
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let
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no_conf_key = builtins.replaceStrings [ "CONFIG_" ] [ "" ] attr.name;
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in
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{
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name = attr.name;
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value =
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if
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attr.value
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== "m"
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&& !(builtins.elem (lib.strings.toLower no_conf_key) usedModuleNames)
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&& ((lib.lists.intersectLists (toLowerParts [ no_conf_key ]) usedModuleNamePartsFiltered) == [ ])
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then "n"
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else attr.value;
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})
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(builtins.attrValues (builtins.mapAttrs (name: value: { inherit name value; }) mainConfig))
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);
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patchConfigStep1 = lib.attrsets.mapAttrs ((name: value: {
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${builtins.removePrefix "CONFIG_" name} = value;
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})
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filteredConfig);
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patchConfigFinal = lib.attrsets.filterAttrs ((n: v: v == "n") patchConfigStep1);
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patch = {
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name = "disable-unused-kmods";
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patch = null;
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extraStructuredConfig = patchConfigFinal;
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};
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in
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{
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patch = patch;
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}
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