On Thu, May 29, 2014 at 5:52 PM, Dhruva Sagar <[email protected]> wrote:
> But surely this should be supported natively, doesn't sound like it would 
> require huge change, would anyone be able to throw some light into why this 
> is the case ?

A made a toy patch about 4 years ago for this[1], based on the
completion code that I wrote for the :find command, and last year
someone asked the same question as you do now [2].

I tried out the patch just now (from [2]) and it does apply cleanly
and seems to complete the cd command based on cdpath. One problem that
I notice right away is that when cdpath is set to the default value
(,,) the suggestions for doing ":cd <tab>" include files as well - it
should only suggest directories. I'm sure there are more problems yet
to be found.

The patch is not fit for inclusion into vim because:

1. There's no tests (must work for at least unix, dos and windows environment)
2. Due to 1 above, bugs like the one I mentioned above are hiding in
some dark corners somewhere :)

If you want to help you can start by applying the patch and writing a
test for it, similar to the one that tests the :find command in
src/testdir/test73.in.

Nazri.

[1] http://article.gmane.org/gmane.editors.vim.devel/27730
[2] http://article.gmane.org/gmane.editors.vim.devel/40362

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