2.1.8 Preventing package distribution by checking versions
Before distributing an update version of a program product, you can check whether the base version that of the update version has been installed in the distribution-destination. If it has not, a message is output. This prevents distribution of unnecessary packages.
- Organization of this subsection
(1) Specifying the base version of the update version
When distributing to a UNIX machine, specify the version as attribute information during packaging. This specification can be altered during creation of the distribution job.
(2) Timing for checking versions
The following shows when the version check is performed.
- For UNIX distribution-destination systems
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The check is performed immediately before installation of the resource file.