[CMake] cpack/nsis behavior

[John Drescher]

> I've got this case where I'm using cpack to create nsis packages with a set of
> components that I want packaged.
>
> If I run the installer, things work.
> But, if I run the installer a second time (without doing an uninstall first),
> it doesn't do anything.  So, if one had manually removed files, the installer
> doesn't put them back.
>
> I suspect its because there are components, and it assumes it can skip things
> if the component was already installed before (it is saved in the registry
> what components were installed).
>
> Is there a way to force it to install files again?  Much like a repair
> functionality would do?
>
> I tried with the cmake installer, and it installs files again just fine.  I
> suspect that is because there are no components in that installer.
>
>
I have this as well. I thought it was a nsis bug and filed a bugreport
on their site which instantly got closed as its probably the fault of
CMake.

John