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Date: Fri, 14 Oct 2011 06:42:41 -0400
From: Ken Brown <kbrown AT cornell DOT edu>
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Subject: Re: 1.7.9-1 Patch command mangles permissions on windows 7
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On 10/13/2011 7:15 PM, Roger Pack wrote:
> Forgive me if this is a commonly reported bug, but I wasn't sure if
> other discussions on permissions issues were the same as this issue...
>
> $ c:\installs\cygwin\bin\patch.exe -p0<  multithread_utilities_trunk.diff
> (Stripping trailing CRs from patch.)
> patching file xxx/yyy/zzz/Test.java
> ...
>
> now attempt to use the files I just patched:
>
> $ mvn clean install
> ...
> [ERROR] error: error reading xxx\yyy\zzz\Test.java;
> xxx\yyy\zzz.java (Access is denied)
>
> I was able to reproduce this on another computer, as well.
> Windows 7, 64 bit, blah blah blah.
>
> When I right click on the files and go to properties ->  security,
> somehow all users except administrators have no rights to the modified
> files.

This could be related to the problem discussed starting at

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

The issue there was ACLs on the temporary directory used by patch.  The 
resolution of that was to set TMP and TEMP to "/tmp" in Cygwin's default 
startup files (see /etc/defaults/profile).  But you appear to be running 
patch outside of a Cygwin shell, so you're not benefiting from that fix. 
  (I'm basing this guess on the fact that you start patch by giving its 
Windows path.)

Ken


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