From: Andrew Thompson <andrewkt@aktzero.com>
Date: Tue, 28 Jun 2005 15:10:47 GMT
Subject: Re: Mercurial vs Updated git HOWTO for kernel hackers
Message-ID: <42C16877.6000909@aktzero.com>
In-Reply-To: <20050628150027.GB1275@pasky.ji.cz>

Petr Baudis wrote:
>>Mercurial's undo is taking a snapshot of all the changed file's repo file length
>>at every commit or pull.  It just truncate the file to original size and undo 
>>is done.
> 
> "Trunactes"? That sounds very wrong... you mean replace with old
> version? Anyway, what if the file has same length? It just doesn't make
> much sense to me.

I believe this works because the files stored in a binary format that 
appends new changesets onto the end. Thus, truncating the new stuff from 
the end effectively removes the commit.

-- 
Andrew Thompson
http://aktzero.com/


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