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=head1 NAME
dose-outdated - detect uninstallable packages due to obsolete dependencies
=head1 SYNOPSIS
B<dose-outdated> [option] ... I<file> ...
=cut
=head1 DESCRIPTION
B<dose-outdated> identifies in a debian package repository those packages that
are not installable with respect to that repository by the their inter-package
relationships (dependencies, conflicts, ...), and that furthermore cannot
become installable (in the current version) how matter how the rest of the
repository evolves. This means that this package has to be updated in the
repository to ever become installable again.
=head1 Input Specification
Input files have to contain stanzas in the format of
L<deb-control(5)>, separated by one blank line. For instance, the
Packages files as found on a Debian mirror server, or in the directory
I</var/lib/apt/lists/> of a Debian system, are suitable as input. The
repository used in the analysis consists of the union of all packages
from the input files.
=head1 Output Specification
The output of dose-outdated is in the YAML format.
=head1 OPTIONS
=over 8
=item B<-f --failure>
Print the list of broken packages
=item B<-e --explain>
Explain the results in more detail.
=item B<-s>
Print a summary of broken packages.
=item B<--dump>
Dump to standard output in CUDF format the packages that are internally
generated and exit (mostly useful for debugging purposes).
=item B<--checkonly> I<package>[,I<package>] ...
Specifies a list of packages to check. By default all packages are checked.
Takes a comma-separated list of package names, each of them possibly with a
version constraint, as argument.
Example: --checkonly "libc6 , 2ping (>= 1.2.3-1)"
=item B<-v>
Enable info / warnings / debug messages. This option may be repeated up to
three times in order to increase verbosity.
=item B<--progress>
Display progress bars.
=item B<-h>, B<--help>
Display this list of options.
=back
=cut
=head1 EXIT CODES
Exit codes 0-63 indicate a normal termination of the program, codes 64-127
indicate abnormal termination of the program (such as parse errors, I/O
errors).
=head1 EXAMPLE
dose-outdated -f -v /var/lib/apt/lists/ftp.fr.debian.org_debian_dists_sid_main_binary-amd64_Packages
=cut
=head1 AUTHORS
Pietro Abate and Ralf Treinen
=cut
=head1 SEE ALSO
L<B<dose-distcheck>(5)>
L<B<dose-challenged>(5)>
<http://www.mancoosi.org> is the home page of the Mancoosi project.
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