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Date: Thu, 2 Apr 2015 19:47:15 +0200
Subject: Robocopy
From: "Houder" <houder AT xs4all DOT nl>
To: cygwin AT cygwin DOT com
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Hi Corinna,

Reference:
    https://cygwin.com/ml/cygwin/2015-04/msg00008.html
     - Re: Can I move Cygwin and Cygwin64 to a drive other than C: ?

Amazing that you had so much luck with robocopy ...

It did not surprise me, that it failed on me ...

Below 2 test cases: one using tar (success), the other using robocopy (failure).

(no worries: I will use tar)

Best regards,

Henri

@@# id # using an elevated shell (bash here, but the result is not different when using cmd)
uid=1000(Henri) gid=513(None) groups=513(None),1007(HelpLibraryUpdaters),544(Administrators),545(Users)
@@# mkdir /drv/d/d1 # testcase1 using tar
@@# mkdir /drv/d/d2 # testcase2 using robocopy

@@# pwd
/home/Henri
@@# cd /home
/home
@@# ls -l jvdwater/.bash_history # jvdwater is ANOTHER user, i.e. not Henri ...
-rw------- 1 jvdwater None 689 Nov 27 23:59 jvdwater/.bash_history

// test 1: -- success
@@# tar cf - ./jvdwater | ( cd /drv/e/d1; tar xpf - --same-owner )
@@# ls -l /drv/e/d1/jvdwater/.bash_history
-rw------- 1 jvdwater None 689 Nov 27 23:59 /drv/e/d1/jvdwater/.bash_history # Nice!

// test 2: -- failure
@@# robocopy $(cygpath -w /home/jvdwater) $(cygpath -w /drv/e/d2) /e /z /copyall /sl

-------------------------------------------------------------------------------
   ROBOCOPY     ::     Robust File Copy for Windows
-------------------------------------------------------------------------------

  Started : Thu Apr 02 18:13:56 2015

   Source : E:\Cygwin\home\jvdwater\
     Dest : E:\d2\

    Files : *.*

  Options : *.* /S /E /COPYALL /Z /R:1000000 /W:30

------------------------------------------------------------------------------

                           7    E:\Cygwin\home\jvdwater\
            New File                 689        .bash_history
2015/04/02 19:13:56 ERROR 5 (0x00000005) Copying File E:\Cygwin\home\jvdwater\.bash_history
Access is denied.
Waiting 30 seconds... Retrying...
            New File                 689        .bash_history
2015/04/02 19:14:26 ERROR 5 (0x00000005) Copying File E:\Cygwin\home\jvdwater\.bash_history
Access is denied.
Waiting 30 seconds... <===== aborted with ctl-C

@@# // robocopy canNOT copy a file that cannot be accessed by Henri
@@# // ... even though he is using an elevated shell (bash or cmd) ...

----
http://stackoverflow.com/questions/24121046/difference-between-xcopy-and-robocopy
 - Difference between xcopy and robocopy

=====



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