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Date: Fri, 16 May 2008 16:30:40 -0400 (EDT)
From: Igor Peshansky <pechtcha AT cs DOT nyu DOT edu>
Reply-To: cygwin AT cygwin DOT com
To: vapid vapid <vapid AT mindless DOT com>
cc: cygwin AT cygwin DOT com
Subject: Re: links broken during a backup (not restore), need more info on  how they work to fix & file bug with vendor
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On Fri, 16 May 2008, vapid vapid wrote:

> Hi,
>
> I believe my backup program (CMS ABS Bounceback) is mucking with the
> links in my cygwin and work directories when it is creating a backup.
> It doesn't appear to affect links created by windows, only those created
> by cygwin.  I don't fully understand the cygwin links: there are some
> that end in .lnk and are close to windows shortcuts, and there are
> others that don't end in .lnk and start with !<symlink>.  Both get
> broken.  The files still exist, but I get the message "/usr/bin/vi:
> /usr/bin/vi: cannot execute binary file".  vi looks like a plain file
> and contains "!<symlink>vim.exe".  Running vim works fine.
>
> It happened to me a few weeks ago and wasn't sure why.  I re-installed
> cygwin & fixed all the shortcuts in my working/compiled src directories
> by deleting and recreating them.  Is there an easier way to fix this?
> I found one post in the archives saying try "attrib +R", but that didn't
> help at all, on either kind of link.

You need to use "attrib +R" on .lnk files and "attrib +S" on the
plain-text links.

On a side note, you can (re)create plain-text symlinks from the command
line by using "CYGWIN=nowinsymlinks ln -s FILE DEST".

> I've searched the mailing lists and google and wasn't able to find any
> help for my problem.  I know people here will say it's a problem with
> the application, but if I go to the manufacturer they'll say
> cyg-what(?), our software works fine with windows.

Just tell them that a backup program has no business clearing "read-only"
and "system" attributes on any files.
HTH,
	Igor
-- 
				http://cs.nyu.edu/~pechtcha/
      |\      _,,,---,,_	    pechtcha AT cs DOT nyu DOT edu | igor AT watson DOT ibm DOT com
ZZZzz /,`.-'`'    -.  ;-;;,_		Igor Peshansky, Ph.D. (name changed!)
     |,4-  ) )-,_. ,\ (  `'-'		old name: Igor Pechtchanski
    '---''(_/--'  `-'\_) fL	a.k.a JaguaR-R-R-r-r-r-.-.-.  Meow!

"That which is hateful to you, do not do to your neighbor.  That is the whole
Torah; the rest is commentary.  Go and study it." -- Rabbi Hillel

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