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{ lib, config, ... }:
let
t = lib.types;
in
{
options = {
virtualisation.diskSizeAutoSupported = lib.mkOption {
type = t.bool;
default = true;
description = ''
Whether the current image builder or vm runner supports `virtualisation.diskSize = "auto".`
'';
internal = true;
};
virtualisation.diskSize = lib.mkOption {
type = t.either (t.enum [ "auto" ]) t.ints.positive;
default = if config.virtualisation.diskSizeAutoSupported then "auto" else 1024;
defaultText = lib.literalExpression "if virtualisation.diskSizeAutoSupported then \"auto\" else 1024";
description = ''
The disk size in MiB (1024×1024 bytes) of the virtual machine.
'';
};
};
config =
let
inherit (config.virtualisation) diskSize diskSizeAutoSupported;
in
{
assertions = [
{
assertion = diskSize != "auto" || diskSizeAutoSupported;
message = "Setting virtualisation.diskSize to `auto` is not supported by the current image build or vm runner; use an explicit size.";
}
];
};
}
|
