[wix-users] How WixTools manage the upgrades?

[Edwin Castro]

Markus,

I use a variant of the approach described at

https://code.dblock.org/2010/05/11/msi-property-patterns-upgrading-firstinstall-and-maintenance.html


Note that's a pretty old post and some of the properties you'll need to
reference have changed. There's a comment that gets you most of the way
there.

You can use the Schedule attribute on MajorUpgrade to control when
RemoveExistingProducts is scheduled.

https://wixtoolset.org/documentation/manual/v3/xsd/wix/majorupgrade.html
https://wixtoolset.org/documentation/manual/v3/howtos/updates/major_upgrade.html


I mostly use Schedule="afterInstallInitialize" but check the documentation
so you select the option that makes the most sense for your product.

--
Edwin G. Castro


On Mon, Aug 17, 2020 at 10:37 AM Markus Kramer <markuskramerigitt at gmail.com>
wrote:

> Edwin,
> In an Major Upgrade, how do you specify the condition for a Custom Action
> that shall only execute in an upgrade?
>
> I tried
> *     Installed AND NOT REMOVE*
> but in a Major Upgrade, the Custom Action was skipped (Condition not met).
>
> Also, how do you schedule  RemoveExistingProducts early?
>
> Best Regards,
> Markus
>
> On Mon, Aug 17, 2020 at 4:58 PM Edwin Castro via wix-users <
> wix-users at lists.wixtoolset.org> wrote:
>
>> Do you mean WiX Toolset when you say WixTools? If yes, then you are
>> probably really asking how does the Windows Installer support upgrades?
>> The
>> WiX Toolset is a collection of tools for authoring Windows Installer
>> packages.
>>
>> https://docs.microsoft.com/en-us/windows/win32/msi/patching-and-upgrades
>>
>> You'll see the answer is "it depends on how you author your MSI package".
>> I
>> understand that answer isn't very satisfying but it is a correct answer.
>>
>> I author my MSI packages to "uninstall the old version and install the new
>> version" by using a Major Upgrade and schedule RemoveExistingProducts
>> early.
>>
>> --
>> Edwin G. Castro
>>
>> On Sun, Aug 16, 2020, 16:10 Davide Perini via wix-users <
>> wix-users at lists.wixtoolset.org> wrote:
>>
>> > As title.
>> > How WixTools manage the upgrades?
>> >
>> > Suppose that I have a version 1.0 installed,
>> > what happen if I install version 1.1 on it?
>> >
>> > DOes it uninstall the old version and reinstall the new one?
>> >
>> > Thanks
>> > Davide
>> >
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