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From: Chris Faylor <cgf AT cygnus DOT com>
Date: Thu, 25 May 2000 23:25:01 -0400
To: cygwin-developers AT sourceware DOT cygnus DOT com
Subject: Re: old snapshots
Message-ID: <20000525232501.A11792@cygnus.com>
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References: <20000526024958 DOT 16761 DOT qmail AT web106 DOT yahoomail DOT com> <200005260257 DOT WAA32216 AT envy DOT delorie DOT com>
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In-Reply-To: <200005260257.WAA32216@envy.delorie.com>; from dj@delorie.com on Thu, May 25, 2000 at 10:57:19PM -0400

On Thu, May 25, 2000 at 10:57:19PM -0400, DJ Delorie wrote:
>[cygwin-developers added because this seemed like a generic question]
>> Just because I'm on a slow connection right now, I'll ask, how is
>> CVS tagged to identify a "snapshot" for Cygwin?
>
>It isn't.  Snapshots are done by timestamp.  The 20000524 snapshot,
>for example, was as of 23:55 EST on the 24th.  You can use something
>like "cvs checkout -D '2000-05-24 23:55' winsup" (although the time
>zones might be off; I'm EST and sourceware is PST) to get that day's
>snapshot.  I usually omit the time when searching for when a bug was
>introduced.
>
>The neat part about CVS is that you can switch days pretty easily.
>The cvs command above can be used on an existing area, to make the
>minimum number of changes to go from date A to date B.  It's much
>faster than downloading snapshots, provided you're in the mood to keep
>a build area around.
>
>You can even do a binary search of a month to find the bug.  It only
>takes 5 updates to narrow it down to a day's changes.

FWIW, I do tag the sources when I make a net release.  I don't create
a branch or anything.  I just tag all of the sources that went into
the cygwin net release.

cgf