[wpkg-users] Empty remove command

[Rainer Meier]

Hi Jonathan,

On 22.11.2011 11:53, VERDEYEN Jonathan wrote:
> After re-reading the "How to remove the package but leave the software installed" thread, I was thinking of another solution for my Dynamics AX updates, let's see if that's possible :
>
> What if I had 2 "checks that verify if software is installed" (although not an install check :P) : one that is the real registry uninstall (or file version check in my case) and the other one being a 'fake' text file exists, with a logical AND between the 2.
> So in my install commands, I install the update and create the text file, making the AND between the 2 conditions true and still making sure the update was applied correctly.
> In my remove command, I remove just the text file, making the AND between the 2 conditions false so making the software appear 'not installed' to WPKG.

Sure this is possible and should be perfectly supported by WPKG.


> Ideally I would like to retain the ability to use the same package for 32 and 64bits computers so my conditions would be :
> "exe file version" AND "text file" in "Program Files" for x86 systems
> OR
> "exe file version" AND "text file" in "Program Files(x86)" for x64 systems
> Is that possible ? It says in the documentation that you can have one or several conditions but is it a OR or an AND between them or can I use a logical condition inside another logical condition ?

Yes, it is possible. And yes, you nest logical conditions as well.

You might use host architecture condition check to specify different paths for 
different architectures too.

br,
Rainer