37 lines
1.1 KiB
Nix
37 lines
1.1 KiB
Nix
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{ config, lib, ... }:
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let
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mkLabelMount = label: type: lazy: {
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device = "/dev/disk/by-label/${label}";
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fsType = type;
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options = [ "defaults" "relatime" ] ++ lib.optionals lazy [ "nofail" ];
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};
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mkBtrfsMount = name: subvol: atime: mkLabelMount name "btrfs" false // {
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options = [ "autodefrag" "compress=zstd:3" "defaults" "discard=async" "space_cache=v2" "ssd" "subvol=${subvol}" (if atime then "relatime" else "noatime") ];
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};
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submount = mkBtrfsMount "Anemone";
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in
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{
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fileSystems = {
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"/" = {
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device = "rootfs";
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fsType = "tmpfs";
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options = [ "defaults" "size=8G" "mode=755" ];
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};
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"/boot" = mkLabelMount "SYSTEM" "vfat" true;
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"/mnt/butter" = submount "/" true;
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"/nix" = submount "/current/snow" false;
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"/home" = submount "/current/home" true;
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"/home/.snapshots" = submount "/snapshot/home" false;
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"/root" = submount "/current/root" false;
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"/var" = submount "/current/var" false;
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"/persist" = {
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depends = [ "/var" ];
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device = "/var/persist";
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fsType = "none";
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options = [ "bind" ];
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neededForBoot = true;
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};
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};
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}
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