Re: Moving NetBSD from CVS to svn|git|hg|fossil

[Kamil Rytarowski <n54%gmx.com@localhost>]

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On 23.04.2016 23:57, David Holland wrote:
> also,
> 
> On Sat, Mar 19, 2016 at 01:56:30AM +0100, Kamil Rytarowski wrote:
>> Going out of cvs to svn/git will alienate significant part of
>> Tier 1 port machines and most of the Tier 2 ones.
>> 
>> Could you please list your wish list of features to add/improve
>> in cvs(1 )?
> 
> see e.g.
> http://mail-index.netbsd.org/tech-repository/2008/07/29/msg000036.html
>
>  Improving CVS is not feasible.
> 

I wrote privately librcs to parse the RCS format with flex + byacc...
with plans to add libcvs, however the performance of processing all ,v
files in src xsrc isn't acceptable. I will try to rewrite it in pure C.

All the pointed features could be added including renames with RCS -
just store common commit id for delete and create. The bottleneck is
with the format, it's not trivial to process it quickly, unless we are
close to HEAD.

I'm not sure that it's worth to invent new format.. and break
compatibility with the world.
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