# [...] // Within lines unattended-upgrades allows 2 macros whose values are // derived from /etc/debian_version: // ${distro_id} Installed origin. // ${distro_codename} Installed codename (eg, "jessie") Unattended-Upgrade::Origins-Pattern { // Codename based matching: // This will follow the migration of a release through different // archives (e.g. from testing to stable and later oldstable). "o=Debian,n=jessie"; "o=Debian,n=jessie-updates"; // "o=Debian,n=jessie-proposed-updates"; "o=Debian,n=jessie,l=Debian-Security"; # [...]