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Date: Fri, 04 Mar 2011 10:24:23 -0500
From: Ken Brown <kbrown AT cornell DOT edu>
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Subject: Re: Problems with Cygwin-1.7.8 (or snapshot) and TeXLive 2010
References: <4D7006CD DOT 5060608 AT alice DOT it>
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On 3/3/2011 4:23 PM, Angelo Graziosi wrote:
> The last steps of installation regard the generation of format file for
> all users (-rw-r--r-- root root), but with recent snapshots the format
> file are creted only for root (-rwx-----+) (**) : these permissions
> resemble those created when one installs native Windows applications
> ('c:\Program files' is full of similar files).

This reminds me of the discussion starting at

   http://cygwin.com/ml/cygwin/2009-11/msg00922.html

in which patching a file unexpectedly changed the permissions.  The 
issue turned out to be related to the ACLs on the temporary director 
used by patch.

In the present situation, the texlive installer calls fmtutil-sys to 
create the format files.  I think fmtutil creates the files in a 
temporary directory (using TMPDIR, TEMP, or TMP if they exist) and then 
mv's them.  Could this be your problem?  What happens if you unset those 
variables before installing texlive?

This is just a wild guess, and I'm not sure it explains why the problem 
first shows up in recent snapshots.

Ken

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