75 lines
1.7 KiB
Nix
75 lines
1.7 KiB
Nix
{
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lib,
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config,
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pkgs,
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...
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}:
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with lib; let
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cfg = config.hardware.opinionatedDisk;
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ownLib = pkgs.callPackage ../lib/default.nix {};
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earlyDiskId = cfg:
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if cfg.earlyDiskIdOverride != ""
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then cfg.earlyDiskIdOverride
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else cfg.diskId
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;
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in {
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options.hardware.opinionatedDisk = {
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enable = mkEnableOption "Enable opinionated filesystem layout";
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diskId = mkOption {type = types.str;};
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encrypted = mkOption {
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default = true;
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type = types.bool;
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};
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earlyDiskIdOverride = mkOption {
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default = "";
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type = types.str;
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};
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};
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config = lib.mkIf cfg.enable {
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fileSystems."/boot" = {
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device = ownLib.disk.bootFsDevice cfg.diskId;
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fsType = "vfat";
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};
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fileSystems."/" = {
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device = ownLib.disk.rootFsDevice cfg.diskId;
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fsType = "btrfs";
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options = ["subvol=nixos"];
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};
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fileSystems."/home" = {
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device = ownLib.disk.rootFsDevice cfg.diskId;
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fsType = "btrfs";
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options = ["subvol=home"];
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};
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swapDevices = [{device = ownLib.disk.swapFsDevice cfg.diskId;}];
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boot.loader.grub = {
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device = ownLib.disk.bootGrubDevice (earlyDiskId cfg);
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enableCryptodisk = cfg.encrypted;
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};
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boot.initrd.luks.devices =
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lib.optionalAttrs cfg.encrypted
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(builtins.listToAttrs [
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{
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name = let
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splitstring =
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builtins.split "/" (ownLib.disk.bootLuksDevice cfg.diskId);
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lastelem = (builtins.length splitstring) - 1;
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in
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builtins.elemAt splitstring lastelem;
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value = {
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device = ownLib.disk.bootLuksDevice cfg.diskId;
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preLVM = true;
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allowDiscards = true;
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};
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}
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]);
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};
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}
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