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tux
2026-09-11 01:59:55 +05:30
parent 49a341d6b3
commit 344d8bdd4a
87 changed files with 2528 additions and 2719 deletions
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157
modules/nixos/boot/impermanence.nix
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@@ -1,59 +1,57 @@
{ inputs, ... }:
{
flake.modules.nixos.boot =
{
config,
lib,
userName,
...
}:
let
cfg = config.tnix.boot;
in
{
imports = [
inputs.impermanence.nixosModules.impermanence
];
{inputs, ...}: {
flake.modules.nixos.boot = {
config,
lib,
userName,
...
}: let
cfg = config.tnix.boot;
in {
imports = [
inputs.impermanence.nixosModules.impermanence
];
options.tnix.boot.impermanence = {
enable = lib.mkEnableOption "Enable impermanence";
options.tnix.boot.impermanence = {
enable = lib.mkEnableOption "Enable impermanence";
directories = lib.mkOption {
type = lib.types.listOf lib.types.str;
default = [ ];
};
files = lib.mkOption {
type = lib.types.listOf lib.types.str;
default = [ ];
};
directories = lib.mkOption {
type = lib.types.listOf lib.types.str;
default = [];
};
options.tnix.boot.impermanence.home = {
directories = lib.mkOption {
type = lib.types.listOf lib.types.str;
default = [ ];
};
files = lib.mkOption {
type = lib.types.listOf lib.types.str;
default = [];
};
};
files = lib.mkOption {
type = lib.types.listOf lib.types.str;
default = [ ];
};
options.tnix.boot.impermanence.home = {
directories = lib.mkOption {
type = lib.types.listOf lib.types.str;
default = [];
};
config = lib.mkIf cfg.impermanence.enable {
programs.fuse.userAllowOther = true;
fileSystems."/persist".neededForBoot = true;
environment.persistence."/persist" = {
hideMounts = true;
directories = [
files = lib.mkOption {
type = lib.types.listOf lib.types.str;
default = [];
};
};
config = lib.mkIf cfg.impermanence.enable {
programs.fuse.userAllowOther = true;
fileSystems."/persist".neededForBoot = true;
environment.persistence."/persist" = {
hideMounts = true;
directories =
[
"/var/log"
"/var/lib"
"/etc/NetworkManager/system-connections"
]
++ cfg.impermanence.directories;
files = [
files =
[
"/etc/machine-id"
"/etc/ssh/ssh_host_ed25519_key"
"/etc/ssh/ssh_host_ed25519_key.pub"
@@ -61,11 +59,12 @@
"/etc/ssh/ssh_host_rsa_key.pub"
]
++ cfg.impermanence.files;
};
};
home-manager.users.${userName} = {
home.persistence."/persist" = {
directories = [
home-manager.users.${userName} = {
home.persistence."/persist" = {
directories =
[
"Downloads"
"Music"
"Wallpapers"
@@ -77,46 +76,46 @@
]
++ cfg.impermanence.home.directories;
files = cfg.impermanence.home.files;
};
files = cfg.impermanence.home.files;
};
};
boot.initrd.systemd = {
enable = true;
boot.initrd.systemd = {
enable = true;
services.wipe-my-fs = {
wantedBy = [ "initrd.target" ];
after = [ "initrd-root-device.target" ];
before = [ "sysroot.mount" ];
unitConfig.DefaultDependencies = "no";
serviceConfig.Type = "oneshot";
script = ''
mkdir /btrfs_tmp
mount /dev/disk/by-partlabel/disk-primary-root /btrfs_tmp
services.wipe-my-fs = {
wantedBy = ["initrd.target"];
after = ["initrd-root-device.target"];
before = ["sysroot.mount"];
unitConfig.DefaultDependencies = "no";
serviceConfig.Type = "oneshot";
script = ''
mkdir /btrfs_tmp
mount /dev/disk/by-partlabel/disk-primary-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/$timestamp"
fi
if [[ -e /btrfs_tmp/root ]]; then
mkdir -p /btrfs_tmp/old_roots
timestamp=$(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 "$1"
}
delete_subvolume_recursively() {
IFS=$'\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
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
'';
};
btrfs subvolume create /btrfs_tmp/root
umount /btrfs_tmp
'';
};
};
};
};
}