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Subject:	Re: What kind of executable is zcat? Crashes from cmd.exe
From:	Robert Collins <rbcollins AT cygwin DOT com>
To:	cygwin AT cygwin DOT com
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Date:	Fri, 13 Feb 2004 09:14:57 +1100
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On Fri, 2004-02-13 at 09:05, Igor Pechtchanski wrote:

> AFAIK, setup has always behaved this way.  It first uninstalls the old
> versions of all packages being upgraded (that's how the old pdksh.exe got
> unlinked), and then installs the new versions (creating new files,
> essentially).  It never did overwrite the file in-place.  Changing this
> will probably involve radical modifications to setup's internal logic.

Not that big a change actually - we already have the concept of
upgrading internally, it just needs to be taught that an upgrade isn't
an uninstall + install, but rather an unpack followed by removing files
no longer present in the package.

Rob

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GPG key available at: <http://www.robertcollins.net/keys.txt>.

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