AptPkg::System

The AptPkg::System package implements the APT pkgSystem class.

An instance of the AptPkg::System class appropriate for the particular back-end packaging system (deb, rpm, etc.) may be fetched using the system method from AptPkg::Config.

A global instance of the libapt-pkg _system instance is provided as $AptPkg::System::_system, and may be imported.

The following methods are implemented:

label

Return the description of the packaging system, for example:

    Debian dpkg interface
    

for Debian systems.

lock

Lock the packaging system.

unlock(QUIET)

Unlock the packaging system, ignoring errors if QUIET is non-zero.

versioning

Return an instance of the AptPkg::Version class for this system.