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RE: Future CVS Development


From: Noel L Yap
Subject: RE: Future CVS Development
Date: Tue, 19 Jun 2001 13:49:59 -0400

>> -----Original Message-----
>> From: Kostur, Andre [mailto:address@hidden
>> > -----Original Message-----
>> > From: Noel L Yap [mailto:address@hidden
>> >
>> > CVS only requires files to be mergable.  This has a different
>> > meaning from
>> > requiring files to be non-binary.
>> >
>> > One thing that may be done is to add a hook for pluggable
>> > diffing/merging
>> > engines.
>>
>As discussed before, this would require at least an extension to the
>RCS file format.

I don't think CVS was designed to be bound to RCS.

>> Now, pluggable engines would be truly cool!  I know that one
>> large argument
>> against CVS here (my office) was that it doesn't do
>> "intelligent" things
>> with proprietary format non-mergable files (like MSWord
>> documents), where
>> other source control systems can do (the counterexample was always
>> Clearcase).  But if you could plug in a diff/patch tool for
>> *.doc files,
>> (and perhaps a different diff/patch tool for *.ppt, another
>> for *.xls) that
>> would make these files mergable, and thus behave sensibly in CVS! :)
>>
>Because of the above, you'd probably need one diff/patch tool for
>every file format, and you'd need to keep the diff/patch tools
>steadily updated for changes in file formats (MS Word file formats
>come to mind as changeable).  This is in contrast to the diff/patch
>standard in CVS, which applies to a large number of different sorts
>of files, and can remain unchanged.  I'm not sure producing diff/patch
>tools for arbitrary file formats is reasonable to expect out of an
>open source project.

Yes, of course.  All I would expect is to be able to use a provided hook.  I
wouldn't expect for CVS to supply the tools.

Noel



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