dcontrol --version (return code: 0)
This is dcontrol, from the Debian devscripts package, version 2.16.2ubuntu3 This code is copyright 2009 by Christoph Berg <firstname.lastname@example.org>. All rights reserved. This program comes with ABSOLUTELY NO WARRANTY. You are free to redistribute this code under the terms of the GNU General Public License, version 2 or later.
dcontrol --help (return code: 0)
Usage: dcontrol [-sd] package[modifiers] [...] Query package and source control files for all Debian distributions. Options: -s --show-suite Add headers for distribution the control file is from -d --debug Print URL queried Modifiers: =version Exact version match @architecture Query this architecture /[archive:][suite][/component] Restrict to archive (debian, debian-backports, debian-security, debian-volatile), suite (always codenames, with the exception of experimental), and/or component (main, updates/main, ...). Use // if the suite name contains slashes. By default, all versions, suites, and architectures are queried. Use @source for source packages. @binary returns no source packages. Refer to https://qa.debian.org/cgi-bin/dcontrol for currently supported values. Default settings modified by devscripts configuration files: (none)