home-manager/modules/misc/version.nix

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2018-11-23 00:18:29 +01:00
{ config, lib, ... }:
with lib;
{
options = {
home.stateVersion = mkOption {
type = types.enum [ "18.09" "19.03" ];
default = "18.09";
description = ''
It is occasionally necessary for Home Manager to change
configuration defaults in a way that is incompatible with
stateful data. This could, for example, include switching the
default data format or location of a file.
</para><para>
The <emphasis>state version</emphasis> indicates which default
settings are in effect and will therefore help avoid breaking
program configurations. Switching to a higher state version
typically requires performing some manual steps, such as data
conversion or moving files.
'';
};
};
}