--- apt_components: - main can_merge_usr: true strip_source_version_suffix: '\+srthb.*' sources: - label: debian apt_uri: 'http://deb.debian.org/debian' apt_suite: 'jessie' keyring: 'debian-archive-keyring.gpg' - label: security apt_uri: 'http://security.debian.org' apt_suite: 'jessie/updates' # Not available to the public yet, so this URL is just a guess. - label: steamrt apt_uri: 'http://repo.steampowered.com/steamrt-heavy' keyring: 'valve-archive-keyring.gpg' ...