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nixos/wireless: only warn for no interfaces 

A hard failure breaks the NixOS installer, which can't possibly
know the interface names in advance.

(cherry picked from commit be01320a6c39867eac0a20b4dfe04680d3b1ce26)
This commit is contained in:
rnhmjoj 2021-06-07 16:01:52 +02:00 committed by Jonathan Ringer
parent df9df54d63
commit f2c9d568c8
1 changed files with 13 additions and 0 deletions
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13
nixos/modules/services/networking/wpa_supplicant.nix
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@ -42,6 +42,11 @@ in {
description = ''
The interfaces <command>wpa_supplicant</command> will use. If empty, it will
automatically use all wireless interfaces.
<warning><para>
The automatic discovery of interfaces does not work reliably on boot:
it may fail and leave the system without network. When possible, specify
a known interface name.
</para></warning>
'';
};
@ -225,6 +230,14 @@ in {
message = ''options networking.wireless."${name}".{psk,pskRaw,auth} are mutually exclusive'';
});
warnings =
optional (cfg.interfaces == [] && config.systemd.services.wpa_supplicant.wantedBy != [])
''
No network interfaces for wpa_supplicant have been configured: the service
may randomly fail to start at boot. You should specify at least one using the option
networking.wireless.interfaces.
'';
environment.systemPackages = [ package ];
services.dbus.packages = [ package ];