diff options
| -rw-r--r-- | flake.nix | 1 | ||||
| -rw-r--r-- | machines/x/configuration.nix | 55 | ||||
| -rw-r--r-- | modules/core/global.nix | 3 | ||||
| -rw-r--r-- | modules/core/impermanence.nix | 45 | 
4 files changed, 56 insertions, 48 deletions
| @@ -32,7 +32,6 @@          specialArgs = { inherit inputs; };          modules = [            inputs.disko.nixosModules.default -          (import ./disko.nix { device = "/dev/nvme0n1"; })            ./machines/x/configuration.nix diff --git a/machines/x/configuration.nix b/machines/x/configuration.nix index 64da9ac..19305a1 100644 --- a/machines/x/configuration.nix +++ b/machines/x/configuration.nix @@ -1,11 +1,17 @@  { lib, inputs, pkgs, ... }: -{ +let +  drive = "/dev/nvme0n1"; +in {    imports = [      ./hardware-configuration.nix      inputs.home-manager.nixosModules.default + +    (import ../../disko.nix { device = drive; }) +    ] ++ (map (path: ../../modules/${path}) [      "core/global.nix" +    "core/impermanence.nix"      "amdgpu.nix"      "amd.nix" @@ -33,57 +39,12 @@      grub = {        enable = true;        efiSupport = true; -      device = "/dev/nvme0n1"; +      device = drive;      };    }; -  boot.initrd.postDeviceCommands = lib.mkAfter '' -    mkdir /btrfs_tmp -    mount /dev/root_vg/root /btrfs_tmp -    if [[ -e /btrfs_tmp/root ]]; then -        mkdir -p /btrfs_tmp/old_roots -        timestamp=$(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 -  ''; - -  fileSystems."/persist".neededForBoot = true; -  environment.persistence."/persist/system" = { -    hideMounts = true; -    directories = [ -      "/etc/nixos" -      "/var/log" -      "/var/lib/bluetooth" -      "/var/lib/nixos" -      "/var/lib/systemd/coredump" -      "/etc/NetworkManager/system-connections" -    ]; -    files = [ -      "/etc/machine-id" -      { file = "/var/keys/secret_file"; parentDirectory = { mode = "u=rwx,g=,o="; }; } -    ]; -  }; -    boot.extraModprobeConfig = "options kvm_amd nested=1"; -  nixpkgs.config.allowUnfree = true; -  nixpkgs.config.allowUnfreePredicate = _: true; -    services.fstrim.enable = true;    networking.hostName = "x"; diff --git a/modules/core/global.nix b/modules/core/global.nix index 7d372ab..71c82f0 100644 --- a/modules/core/global.nix +++ b/modules/core/global.nix @@ -15,6 +15,9 @@ in {      "L+ ${nix_path} - - - - ${pkgs.path}"    ]; +  nixpkgs.config.allowUnfree = true; +  nixpkgs.config.allowUnfreePredicate = _: true; +    environment.systemPackages = with pkgs; [      man-pages      man-pages-posix diff --git a/modules/core/impermanence.nix b/modules/core/impermanence.nix new file mode 100644 index 0000000..c5f3009 --- /dev/null +++ b/modules/core/impermanence.nix @@ -0,0 +1,45 @@ +{ pkgs, lib, ... }: + +{ +  boot.initrd.postDeviceCommands = lib.mkAfter '' +    mkdir /btrfs_tmp +    mount /dev/root_vg/root /btrfs_tmp +    if [[ -e /btrfs_tmp/root ]]; then +        mkdir -p /btrfs_tmp/old_roots +        timestamp=$(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 +  ''; + +  fileSystems."/persist".neededForBoot = true; +  environment.persistence."/persist/system" = { +    hideMounts = true; +    directories = [ +      "/etc/nixos" +      "/var/log" +      "/var/lib/bluetooth" +      "/var/lib/nixos" +      "/var/lib/systemd/coredump" +      "/etc/NetworkManager/system-connections" +    ]; +    files = [ +      "/etc/machine-id" +      { file = "/var/keys/secret_file"; parentDirectory = { mode = "u=rwx,g=,o="; }; } +    ]; +  }; +} | 
