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nixpkgs/nixos/modules/system/boot/emergency-mode.nix
Emery Hemingway 63d259df32 nixos: tmp on tmpfs option
/tmp cleaning is done by systemd rather than stage-2-init
enableEmergencyMode moved from systemd to seperate module
new option to mount tmp on tmpfs
new option to enable additional units shipped with systemd
2014-07-30 16:19:26 +02:00

37 lines
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Nix

{ config, lib, ... }:
with lib;
{
###### interface
options = {
systemd.enableEmergencyMode = mkOption {
default = true;
type = types.bool;
description = ''
Whether to enable emergency mode, which is an
<command>sulogin</command> shell started on the console if
mounting a filesystem fails. Since some machines (like EC2
instances) have no console of any kind, emergency mode doesn't
make sense, and it's better to continue with the boot insofar
as possible.
'';
};
};
###### implementation
config = {
systemd.additionalUpstreamSystemUnits = optionals
config.systemd.enableEmergencyMode [
"emergency.target" "emergency.service"
];
};
}