adding [minimal] symlink support

[Matt Mackall]

On Wed, Jul 12, 2006 at 05:24:14AM -0700, Bryan O'Sullivan wrote:
> On Wed, 2006-07-12 at 11:07 +0300, Giorgos Keramidas wrote:
> 
> > Why are these flags exclusive?  Some systems support changing the file
> > flags of the symlink itself, with Python's os.lchown() and os.lchmod().
> 
> lchmod is highly unportable, so it's probably not worth supporting.  It
> only exists on a few BSD derivatives; even OSX doesn't have it.

Yep. We're going to support a fairly sane subset of functionality as
usual.

-- 
Mathematics is the supreme nostalgia of our time.