// Automatically upgrade packages from these (origin:archive/codename) pairs
Unattended-Upgrade::Origins-Pattern {
        "origin=${distro_id},archive=${distro_codename}";
        "origin=${distro_id},archive=${distro_codename}-security";
        "origin=${distro_id},archive=${distro_codename}-updates";
        "origin=SecureDrop,codename=${distro_codename}";
};

// List of packages to not update (regexp are supported)
Unattended-Upgrade::Package-Blacklist {
};

// This option allows you to control if on a unclean dpkg exit
// unattended-upgrades will automatically run
//   dpkg --force-confold --configure -a
// The default is true, to ensure updates keep getting installed
// This mirrors the previous cron=apt config
Unattended-Upgrade::AutoFixInterruptedDpkg "true";

// Split the upgrade into the smallest possible chunks so that
// they can be interrupted with SIGUSR1. This makes the upgrade
// a bit slower but it has the benefit that shutdown while a upgrade
// is running is possible (with a small delay)
//Unattended-Upgrade::MinimalSteps "true";

// Install all unattended-upgrades when the machine is shuting down
// instead of doing it in the background while the machine is running
// This will (obviously) make shutdown slower
//Unattended-Upgrade::InstallOnShutdown "true";

// Send email to this address for problems or packages upgrades
// If empty or unset then no email is sent, make sure that you
// have a working mail setup on your system. A package that provides
// 'mailx' must be installed. E.g. "user@example.com"
//Unattended-Upgrade::Mail "root";

// Set this value to "true" to get emails only on errors. Default
// is to always send a mail if Unattended-Upgrade::Mail is set
//Unattended-Upgrade::MailOnlyOnError "true";

// Do automatic removal of new unused dependencies after the upgrade
// (equivalent to apt-get autoremove)
Unattended-Upgrade::Remove-Unused-Dependencies "true";

// Automatically reboot *WITHOUT CONFIRMATION*
//  if the file /var/run/reboot-required is found after the upgrade
Unattended-Upgrade::Automatic-Reboot "true";

// If automatic reboot is enabled and needed, reboot at the specific
// time instead of immediately
//  Default: "now"
// This is set in a template in the common role under the file 80securedrop

// Automatically reboot even if there are users currently logged in
// when Unattended-Upgrade::Automatic-Reboot is set to true
Unattended-Upgrade::Automatic-Reboot-WithUsers "true";

// Use apt bandwidth limit feature, this example limits the download
// speed to 70kb/sec
//Acquire::http::Dl-Limit "70";

// Here we set the dpkg options to force the old conffile if it's already present
// or force the default config if no config is present
// see https://github.com/freedomofpress/securedrop/pull/911
Dpkg::Options {
    "--force-confdef";
    "--force-confold";
}

// Set a fixed machine-id to ensure phased updates are consistent across all instances
// see <https://discourse.ubuntu.com/t/phased-updates-in-apt-in-21-04/20345>.
APT::Machine-ID "1ebf5f15850c540b3142f1584bdd496d";
