I did something kind of like this for a very lightweight install: I made
every package into a major install, using the ??????? syntax to update the
appropriate UIDs and using a upgradecode, and generated a new version number
each time using the year, month, day, and time of day as the major/minor/rev
number, something like 2008.0502.1645 which is always a newer version than
the one installed - it seems to just install fine over the last one every
time. Details a little hazy as it's been a while, but sounds like it could
work for you.
HTH,
Ken
On Fri, May 2, 2008 at 4:42 PM, Colin Bleckner <[EMAIL PROTECTED]>
wrote:
> Hey guys,
>
> I'm building an application that's going through lots of small revisions
> right now. It's annoying to install, though, because we must first
> uninstall the previous installation, then install the new one. I'm
> trying to figure out how to fix this. The application is internal,
> alpha quality stuff, so I don't want to maintain version numbers and
> stuff, I think I just want an installer that can install over itself.
>
> Is it possible to do this? I don't want to change GUIDs or version
> numbers with every build, I'd just like to have an installer that copies
> over the existing files and registry keys. My installation process is
> pretty simple (just copying a couple files and setting a few registry
> settings). I've been reading through this page, but it seems like more
> than what I want or need: http://www.tramontana.co.hu/wix/lesson4.php
>
> I naively tried adding an UpgradeCode to my product then adding an
> Upgrade element that references that GUID, but I'm not sure what to do
> with it. If I run the exact same installer twice in a row it installs
> both times, but if I build a new installer I get the "this product is
> already installed" error message. Any suggestions?
>
> Thanks!
> Colin
>
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