76 lines
2.7 KiB
Nix
76 lines
2.7 KiB
Nix
{ config, lib, ... }: {
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boot = {
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initrd = {
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availableKernelModules = [ "nvme" "xhci_pci" "ahci" "usb_storage" "usbhid" "sd_mod" ];
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kernelModules = [ ];
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postDeviceCommands = lib.mkAfter ''
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mkdir /btrfs_tmp
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mount /dev/disk/by-uuid/b6e6bca7-1435-4b41-b174-8550eace7c32 /btrfs_tmp
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if [[ -e /btrfs_tmp/rootfs ]]; then
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mkdir -p /btrfs_tmp/old_roots
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timestamp=$(date --date="@$(stat -c %Y /btrfs_tmp/rootfs)" "+%Y-%m-%-d_%H:%M:%S")
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mv /btrfs_tmp/rootfs "/btrfs_tmp/old_roots/$timestamp"
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fi
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delete_subvolume_recursively() {
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IFS=$'\n'
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for i in $(btrfs subvolume list -o "$1" | cut -f 9- -d ' '); do
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delete_subvolume_recursively "/btrfs_tmp/$i"
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done
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btrfs subvolume delete "$1"
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}
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for i in $(find /btrfs_tmp/old_roots/ -maxdepth 1 -mtime +30); do
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delete_subvolume_recursively "$i"
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done
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btrfs subvolume create /btrfs_tmp/rootfs
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umount /btrfs_tmp
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'';
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};
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kernelModules = [ "kvm-amd" ];
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extraModulePackages = [ ];
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};
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fileSystems = {
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"/boot" = {
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device = "/dev/disk/by-uuid/7ABC-9C12";
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neededForBoot = true;
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fsType = "vfat";
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};
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"/" = {
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device = "/dev/disk/by-uuid/b6e6bca7-1435-4b41-b174-8550eace7c32";
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fsType = "btrfs";
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options = [ "subvol=rootfs" "compress=zstd" "noatime" ];
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};
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"/nix" = {
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device = "/dev/disk/by-uuid/b6e6bca7-1435-4b41-b174-8550eace7c32";
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fsType = "btrfs";
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neededForBoot = true;
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options = [ "subvol=nix" "compress=zstd" "noatime" ];
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};
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"/persist" = {
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device = "/dev/disk/by-uuid/b6e6bca7-1435-4b41-b174-8550eace7c32";
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fsType = "btrfs";
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neededForBoot = true;
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options = [ "subvol=persist" "compress=zstd" "noatime" ];
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};
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"/ext" = {
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device = "/dev/disk/by-uuid/3ed92a26-775a-4e39-ac1c-84b2822cd3dd";
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fsType = "btrfs";
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neededForBoot = true;
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options = [ "subvol=ext" "compress=zstd" "noatime" ];
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};
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};
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# Enables DHCP on each ethernet and wireless interface. In case of scripted networking
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# (the default) this is the recommended approach. When using systemd-networkd it's
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# still possible to use this option, but it's recommended to use it in conjunction
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# with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
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networking.useDHCP = lib.mkDefault true;
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# networking.interfaces.enp7s0.useDHCP = lib.mkDefault true;
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# networking.interfaces.wlp6s0.useDHCP = lib.mkDefault true;
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nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
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hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
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}
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