73 lines
1.7 KiB
Nix
73 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;
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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: if cfg.earlyDiskIdOverride != "" then cfg.earlyDiskIdOverride else cfg.diskId;
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in
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{
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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 = lib.optionalAttrs cfg.encrypted (
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builtins.listToAttrs [
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{
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name =
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let
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splitstring = 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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}
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