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77 lines
1.8 KiB
Nix
77 lines
1.8 KiB
Nix
{ config, pkgs, ... }:
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with pkgs.lib;
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{
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###### interface
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options = {
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swapDevices = mkOption {
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default = [];
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example = [
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{ device = "/dev/hda7"; }
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{ device = "/var/swapfile"; }
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{ label = "bigswap"; }
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];
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description = ''
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The swap devices and swap files. These must have been
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initialised using <command>mkswap</command>. Each element
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should be an attribute set specifying either the path of the
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swap device or file (<literal>device</literal>) or the label
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of the swap device (<literal>label</literal>, see
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<command>mkswap -L</command>). Using a label is
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recommended.
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'';
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type = types.list types.optionSet;
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options = {config, options, ...}: {
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options = {
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device = mkOption {
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example = "/dev/sda3";
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type = types.uniq types.string;
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description = "Path of the device.";
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};
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label = mkOption {
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example = "swap";
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type = types.uniq types.string;
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description = ''
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Label of the device. Can be used instead of <varname>device</varname>.
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'';
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};
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size = mkOption {
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default = null;
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example = 2048;
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type = types.nullOr types.int;
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description = ''
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If this option is set, ‘device’ is interpreted as the
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path of a swapfile that will be created automatically
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with the indicated size (in megabytes) if it doesn't
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exist.
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'';
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};
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};
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config = {
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device =
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if options.label.isDefined then
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"/dev/disk/by-label/${config.label}"
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else
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mkNotdef;
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};
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};
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};
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};
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}
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