packageUpgradeAction
A string specifying the relationship between the choice’s packages (specified by the packages property) and the same packages (based on the package identifier) installed on the host.
Overview
The possible values of this property are:
'clean': None of the packages are installed.'installed': All the packages are already installed.'upgrade': The versions of all the packages are higher than the versions of the installed packages.'downgrade': The versions of all the packages are lower than the versions of the installed packages.'mixed': At least two of the following conditions are true:One or more of the packages are upgrades.
One or more of the packages are downgrades.
One or more of the packages are not installed.
For example, if a distribution contains a choice with a required package, you may deselect that choice if the installed package is more recent.