Re: How to replace old version of product?
Re: How to replace old version of product?
- Subject: Re: How to replace old version of product?
- From: Bill Cheeseman <email@hidden>
- Date: Mon, 23 Jun 2008 12:38:12 -0400
- Thread-topic: How to replace old version of product?
on 2008-06-23 8:45 AM, William J. Cheeseman at email@hidden wrote:
> I have everything working nicely -- except that my installer won't replace
> an older version of my product if it finds one installed.
>
> I assume I have to configure the Patch button in each component's
> Configuration pane.
Or do I simply have to write a preinstall script and remove older versions
of components myself? It seems odd that the documents don't say anything
about this, although Stephane Sudre's old How-to article about an earlier
version of PackageMaker says as much. I guess that would provide the
flexibility needed to deal with different names and configurations in older
versions of the product.
But how does that fit in with the ability to allow or prohibit downgrades
using a simple checkbox? If PackageMaker/Installer can tell by itself how to
prohibit a downgrade, why can't it deal by itself with an upgrade?
And then what is the Patch button for?
--
Bill Cheeseman - email@hidden
Quechee Software, Quechee, Vermont, USA
www.quecheesoftware.com
PreFab Software - www.prefabsoftware.com
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