19 lines
497 B
Nix
19 lines
497 B
Nix
{
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lib,
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...
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}:
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{
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nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
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boot.initrd.postMountCommands = lib.mkAfter ''
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# Mount Btrfs volume (the device containing your root subvolumes)
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mkdir -p /btrfs_tmp
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mount -o subvol=/ /dev/disk/by-label/NIXROOT /btrfs_tmp
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# Delete current @root, then restore from snapshot
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btrfs subvolume delete /btrfs_tmp/@root || true
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btrfs subvolume snapshot /btrfs_tmp/@snapshots/root-empty /btrfs_tmp/@root
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umount /btrfs_tmp
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'';
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}
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