98 lines
2.3 KiB
Nix
Executable File
98 lines
2.3 KiB
Nix
Executable File
{ lib, ... }:
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{
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boot.initrd.postResumeCommands = lib.mkAfter ''
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mkdir /btrfs_tmp
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mount /dev/disk/by-label/BUTTER /btrfs_tmp
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if [[ -e /btrfs_tmp/root ]]; then
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mkdir -p /btrfs_tmp/old_roots
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timestamp=$(date --date="@$(stat -c %Y /btrfs_tmp/root)" "+%Y-%m-%-d_%H:%M:%S")
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mv /btrfs_tmp/root "/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 $(find /btrfs_tmp/old_roots/ -maxdepth 1 -mtime +1); do
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delete_subvolume_recursively "$i"
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done
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btrfs subvolume create /btrfs_tmp/root
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umount /btrfs_tmp
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'';
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# impermanence
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environment.persistence."/persistent" = {
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enable = true; # NB: Defaults to true, not needed
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hideMounts = true;
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directories = [
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"/var/log"
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"/var/lib/bluetooth"
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"/var/lib/nixos"
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"/var/lib/systemd/coredump"
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"/etc/NetworkManager/system-connections"
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"/etc/nixos"
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"/var/lib/flatpak"
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{
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directory = "/var/lib/colord";
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user = "colord";
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group = "colord";
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mode = "u=rwx,g=rx,o=";
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}
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];
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files = [
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"/etc/machine-id"
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"/etc/passwdfile"
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{
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file = "/var/keys/secret_file";
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parentDirectory = {
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mode = "u=rwx,g=,o=";
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};
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}
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];
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users.laythe = {
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directories = [
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"Downloads"
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"Music"
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"Pictures"
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"Documents"
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"Videos"
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"nixos-configv3"
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".config/cura"
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{
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directory = ".local/share/Steam";
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mode = "0777";
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}
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{
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directory = ".local/share/flatpak";
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mode = "0700";
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}
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{
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directory = ".gnupg";
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mode = "0700";
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}
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{
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directory = ".ssh";
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mode = "0700";
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}
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{
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directory = ".nixops";
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mode = "0700";
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}
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{
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directory = ".local/share/keyrings";
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mode = "0700";
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}
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".local/share/direnv"
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];
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files = [
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".screenrc"
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];
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};
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};
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users.users.laythe.hashedPasswordFile = "/persistent/etc/passwdfile";
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}
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