Re: Auto-subst of repository roots

Julian Foad wrote:
> Ambiguities starting to creep in: behaviour depends on whether the thing
> is found locally. If we suspect it is going to be found locally, maybe
> we want a syntax to force it to be found relative to the other URL instead.

Then perhaps we should stop trying to shoehorn some new notation into
the definition of the URL and just add a commandline switch like
--relative, which would trigger the new behavior.

>> 3) Then the common remaining portion of the "new" path would have the
>> two specified directories from the "old" path appended and the diff
>> once again attempted;
>
> That doesn't work if the two full paths aren't the same length. For
> example, with "--old gcc-4_0-branch/gcc/SUBDIR/file.c" it would strip
> three dirs and then not find a match.

Both paths would need to be specified relative to their common ancestor.

It may be that this is too hacky, as you say, but it seems a waste to
throw away the information encoded in the current WC admin files if we
could find a smart way to use it.

John

-- 
John Peacock
Director of Information Research and Technology
Rowman & Littlefield Publishing Group
4501 Forbes Boulevard
Suite H
Lanham, MD  20706
301-459-3366 x.5010
fax 301-429-5748
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