nix-flakes/modules/nixos/features/system/sbctl.nix
2026-07-05 13:31:18 +09:00

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1.3 KiB
Nix

{ pkgs, config, ... }:
{
environment.systemPackages = with pkgs; [
sbctl
];
# The 99 here ensures that this runs AFTER the grub activation scripts.
system.activationScripts."99-sign-all" = {
text = ''
if [ "$NIXOS_ACTION" = "switch" ] || [ "$NIXOS_ACTION" = "boot" ]; then
# `sbctl verify --json` returns "null" if there is an error,
# empty string if there are no files in the database.
if [ "$(${pkgs.sbctl}/bin/sbctl verify --json)" != "null" ]; then
echo "Signing all EFI binaries with sbctl..."
ESP="${config.boot.loader.efi.efiSysMountPoint}"
readarray -t files < <(find "$ESP" -type f -iname "*.efi" -o -iname "*bzImage")
# Removing all the files first.
for file in "${"$"}{files[@]}"; do
echo "Removing from sbctl: $file"
# The `|| true` part is because otherwise some files might not exist and
# the script would return an error.
${pkgs.sbctl}/bin/sbctl remove-file "$file" >/dev/null 2>&1 || true
done
for file in "${"$"}{files[@]}"; do
echo "Signing with sbctl: $file"
${pkgs.sbctl}/bin/sbctl sign -s "$file" >/dev/null 2>&1
done
fi
fi
'';
};
}