buildd-update-chroots(1) on Linux
The text a653fb18468c, as Debian 9 (Stretch) shipped it.
update, upgrade, and clean an sbuild chroot with apt-get
Flags it lists
-
--arch -
--autoclean -
--autoremove -
--clean -
--dist-upgrade -
--help -
--keygen -
--update -
--upgrade -
--version -
-V -
-a -
-c -
-d -
-g -
-h -
-k -
-r -
-u