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diff --git a/files/unattended-upgrades.twig b/files/unattended-upgrades.twig
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+// Unattended-Upgrade::Origins-Pattern controls which packages are
+// upgraded.
+Unattended-Upgrade::Origins-Pattern {
+{% if unattended_origins_patterns is defined %}
+    {% for origin in unattended_origins_patterns %}
+        "{{ origin }}";
+    {% endfor %}
+{% else %}
+    {% for origin in __unattended_origins_patterns %}
+        "{{ origin }}";
+    {% endfor %}
+{% endif %}
+};
+
+// List of packages to not update (regexp are supported)
+Unattended-Upgrade::Package-Blacklist {
+{% for package in unattended_package_blacklist %}
+    "{{ package }}";
+{% endfor %}
+};
+
+{% if not unattended_autofix_interrupted_dpkg %}
+    // 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
+    Unattended-Upgrade::AutoFixInterruptedDpkg "false";
+{% endif %}
+
+// 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 "{{ unattended_minimal_steps | lower }}";
+
+{% if unattended_install_on_shutdown %}
+    // 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";
+{% endif %}
+
+{% if unattended_mail %}
+    // 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.
+    Unattended-Upgrade::Mail "{{ unattended_mail }}";
+{% endif %}
+
+{% if unattended_mail_only_on_error %}
+    // 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";
+{% endif %}
+
+{% if unattended_remove_unused_dependencies %}
+    // Do automatic removal of all unused dependencies after the upgrade
+    // (equivalent to apt-get autoremove)
+    Unattended-Upgrade::Remove-Unused-Dependencies "true";
+{% endif %}
+
+{% if not unattended_remove_new_unused_dependencies %}
+    // Do automatic removal of new unused dependencies after the upgrade
+    Unattended-Upgrade::Remove-New-Unused-Dependencies "false";
+{% endif %}
+
+{% if unattended_automatic_reboot %}
+    // Automatically reboot *WITHOUT CONFIRMATION* if a
+    // the file /var/run/reboot-required is found after the upgrade
+    Unattended-Upgrade::Automatic-Reboot "true";
+{% endif %}
+
+{% if unattended_automatic_reboot_time %}
+    // If automatic reboot is enabled and needed, reboot at the specific
+    // time instead of immediately
+    // Default: "now"
+    Unattended-Upgrade::Automatic-Reboot-Time "{{ unattended_automatic_reboot_time }}";
+{% endif %}
+
+{% if unattended_update_days is defined %}
+    // Set the days of the week that updates should be applied. The days can be specified
+    // as localized abbreviated or full names. Or as integers where "0" is Sunday, "1" is
+    // Monday etc.
+    // Example - apply updates only on Monday and Friday:
+    // {"Mon";"Fri"};
+    Unattended-Upgrade::Update-Days {{ unattended_update_days }};
+{% endif %}
+
+{% if unattended_ignore_apps_require_restart %}
+    // Do upgrade application even if it requires restart after upgrade
+    // I.e. "XB-Upgrade-Requires: app-restart" is set in the debian/control file
+    Unattended-Upgrade::IgnoreAppsRequireRestart "true";
+{% endif %}
+
+{% if unattended_syslog_enable %}
+    // Write events to syslog, which is useful in environments where syslog
+    // messages are sent to a central store.
+    Unattended-Upgrade::SyslogEnable "{{ unattended_syslog_enable }}";
+    {% if unattended_syslog_facility is defined %}
+        // Write events to the specified syslog facility, or the daemon facility
+        // if not specified. Requires the Unattended-Upgrade::SyslogEnable option
+        // to be set to true.
+        Unattended-Upgrade::SyslogFacility "{{ unattended_syslog_facility }}";
+    {% endif %}
+{% endif %}
+
+{% if unattended_dpkg_options %}
+    // Append options for governing dpkg behavior, e.g. --force-confdef.
+    Dpkg::Options {
+    {% for dpkg_option in unattended_dpkg_options %}
+        "{{ dpkg_option }}";
+    {% endfor %}
+    };
+{% endif %}
+
+{% if unattended_dl_limit is defined %}
+    // Use apt bandwidth limit feature, this example limits the download
+    // speed to 70kb/sec
+    Acquire::http::Dl-Limit "{{ unattended_dl_limit }}";
+{% endif %}