bug: hard links to soft links do not work
Sam Steingold
sds@gnu.org
Thu Aug 1 13:21:00 GMT 2002
> * In message <20020801200325.GC27689@redhat.com>
> * On the subject of "Re: bug: hard links to soft links do not work"
> * Sent on Thu, 1 Aug 2002 16:03:25 -0400
> * Honorable Christopher Faylor <cgf@redhat.com> writes:
>
> I don't think this is a 'ln' problem. It's a cygwin problem. If
> cygwin is doing the wrong thing then it should, as Sam said, either be
> made to work or fail, not provide binary gobbledegook.
>
> If this was to be made to work correctly, it would be pretty low level
> in cygwin in the path_conv and symlink_check methods.
>
> It would be much easier to fail in this scenario rather than make it
> work correctly, I think.
actually, this is very easy:
(defmethod hard-link :around (from to)
(if (symbolic-link-p to)
(symbolic-link from (resolve-symbolic-link to))
(call-next-method)))
i.e., when the target is a symlink, you symlink to its target.
think of a symlink as if it had no inode (like it is on a real FS),
i.e., just a special dirent pointing to the target.
Then the hardlink of a symlink is another symlink pointing to the same
place, since the nature of hardlink is to create a file which is
indistinguishable from the target.
--
Sam Steingold (http://www.podval.org/~sds) running RedHat7.3 GNU/Linux
<http://www.camera.org> <http://www.iris.org.il> <http://www.memri.org/>
<http://www.mideasttruth.com/> <http://www.palestine-central.com/links.html>
Of course, I haven't tried it. But it will work. - Isaak Asimov
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