[wix-users] Bundle cache location & self-update

[Jacques Eloff]

Hi Jacob

It's a managed BA. I'll take a look at the link. Luckily this is always a
per-machine install, so per-user won't factor into anything.

I know that modifying the state is not ideal, but this is on par with
something like the finalizer process that Visual Studio runs at the end of
setup and gathers information from various MSIs that were installed (or not
installed) to configure a product. The individual installers don't have all
the information as some of it can only be determined once all or a subset
of the installers have been installed, which leaves it to the bundle as the
only source of truth that has knowledge of every individual installer. I
could do the finalizer as an ExePackage that just executes at the end, then
at least I don't have to worry about elevation.

Jacques


On Mon, Jun 17, 2019 at 1:52 PM Hoover, Jacob <Jacob.Hoover at greenheck.com>
wrote:

> Bundles don't modify the state of the machine, installers do.
>
> Also don't forget that Per-User vs Per-Machine bundles behave
> differently.
>
> What are you doing by creating a shortcut to point back to the bundle?
>
> Also, are you doing a native or managed BA?  You might find this helpful
> if you are doing a native one.
> https://github.com/jchoover/wix3/blob/Gfc/src/ext/BalExtension/wixstdba/WixStandardBootstrapperApplication.cpp
>
> -----Original Message-----
> From: wix-users [mailto:wix-users-bounces at lists.wixtoolset.org] On Behalf
> Of Jacques Eloff via wix-users
> Sent: Monday, June 17, 2019 3:27 PM
> To: WiX Toolset Users Mailing List <wix-users at lists.wixtoolset.org>
> Cc: Jacques Eloff <repstosd at gmail.com>
> Subject: [wix-users] Bundle cache location & self-update
>
> Hi
>
> From what I can tell, the cache location of the bundle seems to be
> %ProgramData%\Package Cache\{GUID} where GUID appears to be
> WixBundleProperties/@Id
>
> I have a shortcut that launches the bundle using the aforementioned path
> and pass additional arguments to my bundle.
>
> However, if the bundle leverages the app syndication update mechanism and
> is auto-updated, Burn will download the new bundle, close the old running
> copy and restart the new copy.
>
> Since there's no guarantee the user will complete an action (Install,
> Modify, etc.) when the updated copy is launched, is it ok to update the
> shortcut at the end of DetectComplete? This would ensure it launches the
> new bundle the next time the user runs from the shortcut.
>
> Normally I'd create/update the shortcut at the end of ApplyComplete, but
> that won't fire if the user exits. It's simple enough to compare the bundle
> registration code of the old and currently executing bundle to figure out
> whether I'm in this state. Unless there's a better way to determine this.
> AFAIK, there's nothing to tell me that the bundle was launched as the
> result of an update operation.
>
> The only alternative I think is to keep launching the old version using
> the shortcut, have it auto update and continue to do this until the user
> completes an operation that results in Engine.Apply being called and then
> update the shortcut.
>
> Thanks,
> Jacques
>
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