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Subject:	Re: A bug (?) in the current setup.exe 2.78.2.15
From:	Robert Collins <robert DOT collins AT itdomain DOT com DOT au>
To:	Pavel Tsekov <ptsekov AT syntrex DOT com>
Cc:	Fergus <fergus AT bonhard DOT uklinux DOT net>, cygwin AT cygwin DOT com
In-Reply-To:	<3BE2E375.EB32B4E4@syntrex.com>
References:	<001201c163a7$5d1610e0$6fc82486 AT medschool DOT dundee DOT ac DOT uk>
	<3BE2E375 DOT EB32B4E4 AT syntrex DOT com>
Message-Id:	<1004744797.9054.65.camel@lifelesswks>
Mime-Version:	1.0
X-Mailer:	Evolution/0.15 (Preview Release)
Date:	03 Nov 2001 10:58:51 +1100
X-OriginalArrivalTime:	03 Nov 2001 00:03:06.0724 (UTC) FILETIME=[EA511240:01C163FA]

On Sat, 2001-11-03 at 05:18, Pavel Tsekov wrote:
> Fergus wrote:
> > 
> > Robert,
>ou fill CURR cell with this element:
> 
> Cycle through PREV, CURR and TEST to look for holes
>   Loop 1: PREV's version field is empty, "cmp" is 0 we set the gap to
> PREV
>   Loop 2: CURR's version field is empty, "cmp" is 0 we set the gap to
> CURR
>   Loop 3: TEST's version is not zero
>            Test if TEST's version is equal to the package we a currently
> running
>            snap2() for. It's not - its greater. So we've found a hole
> (CURR) 
>            and set it to the older package.
> Leave loop

Does this imply that the older file is explicitly marked as TEST
somewhere?
As for that algo, yes it sounds buggy to me. I think the solution should
be that if a package has no explicit trust (we have to guess at
prev/curr/test) and it's greater than the version in TEST and its a
locally scanned file, we just ignore it. That or replace the current
TEST item with the new greater versioned one.

There is a longer discussion we can have, about package versions,
sequence holes and trust levels, but I need to assemble some thoughts
first.

Rob


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