[wix-users] SuppressDowngrade still installs a bundle

[Sean Hall]

That documentation doesn't match the commit message (
https://github.com/wixtoolset/codeplex/commit/2222d3e0e988763b3a46d07583acfd5046949e36
):

Add bal:WixStandardBootstrapperApplication/@SuppressDowngradeFailure to let
attempted downgrades happen. This is useful for redistributable bundles
where a later version major-upgrades prior versions and where a product
that ships with a prior version shouldn't cause an error when a later
version of the redistributable is already present.

Why do you want your bundle to return success if someone tries to install
an older version than the one that is already installed? Don't you want the
user to know that it failed to install in that case?

On Wed, Jul 7, 2021 at 12:35 PM Jacques Eloff via wix-users <
wix-users at lists.wixtoolset.org> wrote:

> Hi
>
> Reading through the documentation, the BAL extension to suppress downgrades
> in the bootstrapper states that when set to "yes", it should result in a
> "successful, do-nothing" operation.
>
> However, when I create two upgrade related bundles with the success
> blocker, it actually continues to execute the downgrade and I end up with a
> SxS install of the two bundles.
>
> [01BC:1E74][2021-07-07T09:03:43]i000: A newer version of this product is
> installed but downgrade failure has been suppressed; continuing...
> [01BC:2F48][2021-07-07T09:03:43]i200: Plan begin, 3 packages, action:
> Install
>
> I was expecting that the plan/execute phases would be skipped, but that
> does not appear to be the case?
>
> Do I need to add conditions on the packages to check if a downgrade is in
> progress? Does WiXBundleAction support detecting downgrades?
>
> Thanks,
> Jacques
>
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