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fix(mibook): boot-menu terminal choice via specialisation

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The previous startOnBoot approach booted mibook headless by default and
locked the machine out: it is WiFi-only with credentials in KWallet, so
with no desktop session NetworkManager never joins the network (no SSH),
and boot stalled on NetworkManager-wait-online with the tty1 prompt
buried under service logs.

Replace it with a NixOS specialisation that adds a separate 'terminal'
GRUB entry:
- default entry boots KDE as before (identical to baseline);
- 'terminal' entry boots multi-user.target with autologin for finn and a
  'desktop' command to start SDDM on demand.
Also disable NetworkManager-wait-online so boot never stalls on the
network. Revert the kde-desktop startOnBoot option.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01CfozKLQdUh5TzqyjSigLUx
This commit is contained in:
Finn@MiBook
2026-07-27 10:52:18 +02:00
parent f01b1f2c4f
commit ae6c81bf54
4 changed files with 127 additions and 75 deletions
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modules/environments/kde-desktop/default.nix
+12 -32
View File
@@ -11,37 +11,17 @@ in
{
options.my.profiles.kde-desktop = with lib; {
enable = mkEnableOption "KDE Desktop Environment";
startOnBoot = mkOption {
type = types.bool;
default = true;
description = ''
Whether the display manager (SDDM) starts automatically at boot.
When false, the system boots to a text console and KDE can be
launched on demand with the `desktop` command.
'';
};
};
config = lib.mkIf cfg.enable (lib.mkMerge [
{
services = {
displayManager.sddm.enable = true;
displayManager.sddm.wayland.enable = true;
desktopManager.plasma6.enable = true;
};
users.users.finn.packages = with pkgs; [
# Programms can be added here...
numix-icon-theme
];
}
(lib.mkIf (!cfg.startOnBoot) {
# Boot to a text console; SDDM stays installed but is not pulled in
# by any boot target. Launch KDE on demand with `desktop`.
systemd.services.display-manager.wantedBy = lib.mkForce [ ];
systemd.defaultUnit = lib.mkForce "multi-user.target";
environment.systemPackages = [
(pkgs.writeShellScriptBin "desktop" "exec sudo systemctl start display-manager.service")
];
})
]);
}
config = lib.mkIf cfg.enable {
services = {
displayManager.sddm.enable = true;
displayManager.sddm.wayland.enable = true;
desktopManager.plasma6.enable = true;
};
users.users.finn.packages = with pkgs; [
# Programms can be added here...
numix-icon-theme
];
};
}