If you don't want to always be calculating version numbers, you can also do
this:
<UpgradeVersion Minimum="1.0.0"
IncludeMinimum="yes"
Maximum="same-version-as-in-Product-element"
IncludeMaximum="no"
Property="OLDERVERSIONBEINGUPGRADED" />
I personally always set Minimum to "0" because that way I never have to
worry about what my minimum version number was or about some pre-release
build getting left behind.
Many people also use this table to implement downgrade protection.
-----Original Message-----
From: Sohail Somani [mailto:[email protected]]
Sent: Wednesday, August 11, 2010 12:44 PM
To: [email protected]
Subject: [WiX-users] Silly but simple question about upgrades
First, I love WiX. I don't think I can say that enough. Windows
Installer is a huge pain and this product makes it bearable and almost fun.
Ok, enough sucking up. I am reading the section about upgrades here:
http://wix.sourceforge.net/manual-wix3/major_upgrade.htm
It appears that the recommendation is to generate the Product Id every
time. In addition to this, I am also generating the Package Id every
time. In fact, when I want an installation to overwrite the existing
installation (by uninstalling and installing on top), I am only leaving
the UpgradeCode as static.
Specifically, here are the relevant sections of my wxs file:
<Product Id="*"
UpgradeCode="A-GUID"
Name="Product SDK"
Language="1033"
Version="1.0.1"
Manufacturer="Company Inc.">
<Package Id="*"
Description="Product SDK"
Manufacturer="Company Inc."
InstallerVersion="200"
Compressed="yes" />
<Upgrade Id="SAME-GUID-AS-A-GUID">
<!--
The Maximum version should be one less than the current
minor version (or 0 if negative).
The Minimum version should be the first in this product
series
-->
<UpgradeVersion Minimum="1.0.0"
IncludeMinimum="yes"
Maximum="1.0.0"
IncludeMaximum="yes"
Property="OLDERVERSIONBEINGUPGRADED" />
</Upgrade>
<InstallExecuteSequence>
<RemoveExistingProducts After="InstallInitialize"/>
</InstallExecuteSequence>
Does this sound like a silly, dangerous thing to do or am I a genius?
Thanks in advance.
--
Sohail Somani
--
iBlog : http://uint32t.blogspot.com
iTweet: http://twitter.com/somanisoftware
iCode : http://bitbucket.org/cheez
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