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nixos/gdm: add assertion for the autoLogin.user option

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  error: cannot coerce null to a string, at .../nixos/modules/services/x11/display-managers/gdm.nix:107:49
This commit is contained in:
Bjørn Forsman 2015-09-03 22:22:00 +02:00
parent 833b4c34c2
commit b716673f97
1 changed files with 7 additions and 0 deletions
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7
nixos/modules/services/x11/display-managers/gdm.nix
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@ -68,6 +68,13 @@ in
config = mkIf cfg.gdm.enable { config = mkIf cfg.gdm.enable {
assertions = [
{ assertion = let autoLogin = cfg.gdm.autoLogin; in
if autoLogin.enable then autoLogin.user != null else true;
message = "GDM auto-login requires services.xserver.displayManager.gdm.autoLogin.user to be set";
}
];
services.xserver.displayManager.slim.enable = false; services.xserver.displayManager.slim.enable = false;
users.extraUsers.gdm = users.extraUsers.gdm =