dose-challenged(1) detect broken packages due to obsolete dependencies


dose-challenged [options] Packages file(s)


dose-challenged performs a speculative analysis of the repository to identify those packages that, if upgraded to a specific version, would break a large number of other packages in the repository. This tool would be particularly useful during the upgrade of a specific component to evaluate its impact on the software archive.

Input Specification

The input of dose-challenged is a list of Debian Packages files

Output Specification

The output of dose-challenged is in the yaml format.


-b --broken
Print the list of broken packages
-d --downgrade
Check package downgrades
Print the list of packages in a cluster
--checkonly package[,package] ...
Specifies a list of packages to check. By default all packages are checked. Takes a comma-separated list of package names and a version .

Example: --checkonly ``libc6 (=1.4), 2ping (= 1.2.3-1)''

Enable info / warnings / debug messages. This option may be repeated up to three times in order to increase verbosity.
Enable progress bars.
-h, --help
Display this list of options.


  dose-challenged -v --progress Packages.bz2 > result.yaml



Pietro Abate and Roberto Di Cosmo