feat(flake.nix): convert flake to snowfall-lib

This commit is contained in:
Mohammad Rafiq 2025-05-18 14:18:33 +08:00
parent da7b62f130
commit 67768361c2
5 changed files with 104 additions and 12 deletions

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{ config, lib, pkgs, modulesPath, ... }:
{
imports =
[
(modulesPath + "/installer/scan/not-detected.nix")
(import ./disko.nix {inherit lib; device = "/dev/disk/by-id/nvme-CT2000P3SSD8_2325E6E77434";})
];
boot.initrd.availableKernelModules = [ "nvme" "xhci_pci" "ahci" "usbhid" "usb_storage" "sd_mod" ];
boot.initrd.kernelModules = [ "dm-snapshot" ];
boot.kernelModules = [ "kvm-amd" ];
boot.loader.systemd-boot.enable = true;
boot.loader.efi.canTouchEfiVariables = true;
networking.useDHCP = lib.mkDefault true;
nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
networking.hostName = "nemesis"; # Define your hostname.
networking.networkmanager.enable = true; # Easiest to use and most distros use this by default.
time.timeZone = "Asia/Singapore";
i18n.defaultLocale = "en_US.UTF-8";
services.pipewire = {
enable = true;
pulse.enable = true;
};
users.users.rafiq = {
isNormalUser = true;
initialPassword = "1";
extraGroups = [ "wheel" ]; # Enable sudo for the user.
packages = with pkgs; [
git
neovim
];
};
nix.settings.experimental-features = ["nix-command" "flakes"];
system.stateVersion = "25.05"; # Did you read the comment?
}

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{lib, device, ...}:
{
boot.initrd.postDeviceCommands = lib.mkAfter ''
mkdir /btrfs_tmp
mount /dev/root_vg/root /btrfs_tmp
if [[ -e /btrfs_tmp/root ]]; then
mkdir -p /btrfs_tmp/old_roots
timestamp=$(date --date="@$(stat -c %Y /btrfs_tmp/root)" "+%Y-%m-%-d_%H:%M:%S")
mv /btrfs_tmp/root "/btrfs_tmp/old_roots/$timestamp"
fi
delete_subvolume_recursively() {
IFS=$'\n'
for i in $(btrfs subvolume list -o "$1" | cut -f 9- -d ' '); do
delete_subvolume_recursively "/btrfs_tmp/$i"
done
btrfs subvolume delete "$1"
}
for i in $(find /btrfs_tmp/old_roots/ -maxdepth 1 -mtime +30); do
delete_subvolume_recursively "$i"
done
btrfs subvolume create /btrfs_tmp/root
umount /btrfs_tmp
'';
disko.devices.disk.main = {
inherit device;
type = "disk";
content.type = "gpt";
content.partitions = {
boot.name = "boot";
boot.size = "1M";
boot.type = "EF02";
esp.name = "ESP";
esp.size = "500M";
esp.type = "EF00";
esp.content = {
type = "filesystem";
format = "vfat";
mountpoint = "/boot";
};
swap.size = "4G";
swap.content = {
type = "swap";
resumeDevice = true;
};
root.name = "root";
root.size = "100%";
root.content = {
type = "lvm_pv";
vg = "root_vg";
};
};
};
disko.devices.lvm_vg.root_vg = {
type = "lvm_vg";
lvs.root.size = "100%FREE";
lvs.root.content.type = "btrfs";
lvs.root.content.extraArgs = ["-f"];
lvs.root.content.subvolumes = {
"/root".mountpoint = "/";
"/persist".mountpoint = "/persist";
"/persist".mountOptions = ["subvol=persist" "noatime"];
"/nix".mountpoint = "/nix";
"/nix".mountOptions = ["subvol=nix" "noatime"];
};
};
}