69 lines
1.4 KiB
Nix
69 lines
1.4 KiB
Nix
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{ config, pkgs, username, inputs, lib, ... }:
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{
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imports = [
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inputs.impermanence.nixosModules.impermanence
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];
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# 系统启动时确保持久化目录存在
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system.activationScripts.persistent-dirs.text = ''
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mkdir -p /nix/persistent
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'';
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# 启用 tmpfs 作为根文件系统
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fileSystems."/" = lib.mkForce {
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device = "none";
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fsType = "tmpfs";
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options = [ "defaults" "size=2G" "mode=755" ];
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};
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# 将 /nix 目录绑定到持久化存储
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fileSystems."/nix" = lib.mkForce {
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device = "/dev/disk/by-label/nixos"; # 需要根据实际情况修改
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fsType = "btrfs";
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options = [ "bind" ];
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};
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# 配置持久化存储
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environment.persistence."/nix/persistent" = {
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hideMounts = true;
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directories = [
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"/etc/nixos"
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"/etc/NetworkManager/system-connections"
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"/var/log"
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"/var/lib"
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"/root"
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];
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files = [
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"/etc/machine-id"
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"/etc/ssh/ssh_host_ed25519_key"
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"/etc/ssh/ssh_host_ed25519_key.pub"
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"/etc/ssh/ssh_host_rsa_key"
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"/etc/ssh/ssh_host_rsa_key.pub"
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];
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users.${username} = {
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directories = [
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".config"
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".cache"
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".local"
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".ssh"
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".gnupg"
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".vscode"
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".npm"
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".cargo"
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"data"
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"doc"
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];
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files = [
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".bash_history"
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".zsh_history"
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".gitconfig"
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];
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};
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};
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}
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