2018-11-23 00:18:29 +01:00
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{ config, lib, ... }:
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with lib;
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{
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options = {
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home.stateVersion = mkOption {
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2019-10-28 16:14:39 +01:00
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type = types.enum [ "18.09" "19.03" "19.09" "20.03" ];
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2018-11-23 00:18:29 +01:00
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default = "18.09";
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description = ''
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It is occasionally necessary for Home Manager to change
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configuration defaults in a way that is incompatible with
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stateful data. This could, for example, include switching the
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default data format or location of a file.
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</para><para>
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The <emphasis>state version</emphasis> indicates which default
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settings are in effect and will therefore help avoid breaking
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program configurations. Switching to a higher state version
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typically requires performing some manual steps, such as data
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conversion or moving files.
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'';
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};
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};
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}
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