Resending due to problem between SF and hotmail.
From: Blair [mailto:os...@live.com]
Sent: Friday, January 13, 2012 6:48 PM
To: 'Windows Installer XML toolset developer mailing list'
Subject: RE: [WiX-devs] Patching Multi-instance installers
The "-p" flag to torch will preserve the multi-instance data in the WIXMST
file. Pyro uses the binder where the multiple instance data is consumed, but
it doesn't know to use the binder that way, so that is where the changes
would need to occur.
Blair
From: Hoover, Jacob [mailto:jacob.hoo...@greenheck.com]
Sent: Wednesday, January 04, 2012 10:32 AM
To: Windows Installer XML toolset developer mailing list
Subject: [WiX-devs] Patching Multi-instance installers
I have successfully created a multi-instance installer where each instance
can be independently upgraded (unique product/upgrade code per instance,
components all isolated). Now I want to be able to patch them (a MSI upgrade
functions, but I need a MSP for LUA patching).
I've tried the PatchCreation method described in
http://wix.sourceforge.net/manual-wix3/patch_building.htm, but that only
creates a patch for the default instance. I then was looking at
http://wix.sourceforge.net/manual-wix3/wix_patching.htm but it seems that
either pyro or torch is also not multi-instance aware. After some more
digging I've found some vague references to a workaround here:
http://ysdevlog.blogspot.com/2008/12/multiple-instance-installations-and.htm
l but I would prefer to change the toolset to make it support this.
I would assume torch would have to be modified to dump out instance
information to a Wix table, and then pyro would need to duplicate its
transforms applying the fix-ups as defined in the workaround.
Am I way off base on this? Would this feature be helpful?
Thanks,
Jacob
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