I have an MSI installer in which I need to add or modify a short text property from the command-line.
This has to be done after the installer is built; I cannot modify the process that produces the installer in the first place. It also has to be executed headless from a script.
When I say "property," it could be an MSI property, a value that gets written to the registery at install-time, or any other mechanism that can get this short custom text into the installed application when it runs.