mirror of
https://github.com/ItsDrike/nixdots
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63 lines
1.8 KiB
Nix
63 lines
1.8 KiB
Nix
{
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config,
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lib,
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...
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}: let
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inherit (lib) mkDefault optionals;
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cfg = config.myOptions.system.boot;
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in {
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boot = {
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# kernel console loglevel
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consoleLogLevel = 3;
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# The NixOS default is to use an lts kernel, which can be quite old.
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# My configuration defaults to the latest kernel instead
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kernelPackages = cfg.kernel;
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loader = {
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# if set to 0, space needs to be held to get the boot menu to appear
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timeout = 2;
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# whether to copy the necessary boot files into /boot
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# so that /nix/store is not needed by the boot loader.
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generationsDir.copyKernels = true;
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# allow installation to modify EFI variables
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efi.canTouchEfiVariables = true;
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};
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tmp = {
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# /tmp on tmpfs, lets it live on your ram
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# it defaults to false, which means you will use disk space instead of ram
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# enable tmpfs tmp on anything where you have ram to spare
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useTmpfs = cfg.tmpOnTmpfs;
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# if not using tmpfs, which is naturally purged on reboot, we must clean
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# /tmp ourselves. /tmp should be volatile storage!
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cleanOnBoot = mkDefault (!cfg.tmpOnTmpfs);
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# The size of the tmpfs, in percentage form
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# this defaults to 50% of your ram, which is a good default
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# but should be tweaked based on your systems capabilities
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tmpfsSize = mkDefault "50%";
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};
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kernelParams = optionals cfg.silentBoot [
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# tell the kernel to not be verbose
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"quiet"
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"loglevel=3" # 1: system is unusable | 3: error condition | 7: very verbose
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# udev log message level
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# rd prefix means systemd-udev will be used instead of initrd
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"udev.log_level=3"
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"rd.udev.log_level=3"
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# disable systemd status messages
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"systemd.show_status=auto"
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"rd.systemd.show_status=auto"
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];
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};
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}
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