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6afb255d97
these changes were generated with nixq 0.0.2, by running nixq ">> lib.mdDoc[remove] Argument[keep]" --batchmode nixos/**.nix nixq ">> mdDoc[remove] Argument[keep]" --batchmode nixos/**.nix nixq ">> Inherit >> mdDoc[remove]" --batchmode nixos/**.nix two mentions of the mdDoc function remain in nixos/, both of which are inside of comments. Since lib.mdDoc is already defined as just id, this commit is a no-op as far as Nix (and the built manual) is concerned.
104 lines
2.5 KiB
Nix
104 lines
2.5 KiB
Nix
{ config, lib, ... }:
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with lib;
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let
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cfg = config.powerManagement;
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in
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{
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###### interface
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options = {
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powerManagement = {
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enable = mkOption {
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type = types.bool;
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default = true;
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description = ''
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Whether to enable power management. This includes support
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for suspend-to-RAM and powersave features on laptops.
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'';
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};
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resumeCommands = mkOption {
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type = types.lines;
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default = "";
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description = "Commands executed after the system resumes from suspend-to-RAM.";
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};
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powerUpCommands = mkOption {
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type = types.lines;
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default = "";
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example = literalExpression ''
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"''${pkgs.hdparm}/sbin/hdparm -B 255 /dev/sda"
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'';
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description = ''
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Commands executed when the machine powers up. That is,
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they're executed both when the system first boots and when
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it resumes from suspend or hibernation.
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'';
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};
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powerDownCommands = mkOption {
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type = types.lines;
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default = "";
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example = literalExpression ''
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"''${pkgs.hdparm}/sbin/hdparm -B 255 /dev/sda"
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'';
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description = ''
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Commands executed when the machine powers down. That is,
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they're executed both when the system shuts down and when
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it goes to suspend or hibernation.
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'';
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};
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};
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};
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###### implementation
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config = mkIf cfg.enable {
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systemd.targets.post-resume = {
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description = "Post-Resume Actions";
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requires = [ "post-resume.service" ];
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after = [ "post-resume.service" ];
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wantedBy = [ "sleep.target" ];
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unitConfig.StopWhenUnneeded = true;
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};
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# Service executed before suspending/hibernating.
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systemd.services.pre-sleep =
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{ description = "Pre-Sleep Actions";
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wantedBy = [ "sleep.target" ];
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before = [ "sleep.target" ];
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script =
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''
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${cfg.powerDownCommands}
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'';
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serviceConfig.Type = "oneshot";
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};
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systemd.services.post-resume =
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{ description = "Post-Resume Actions";
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after = [ "suspend.target" "hibernate.target" "hybrid-sleep.target" "suspend-then-hibernate.target" ];
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script =
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''
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/run/current-system/systemd/bin/systemctl try-restart --no-block post-resume.target
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${cfg.resumeCommands}
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${cfg.powerUpCommands}
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'';
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serviceConfig.Type = "oneshot";
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};
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};
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}
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