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Date: Sat, 04 Apr 2015 20:29:40 +0200
Reply-To: "lemkemch AT t-online DOT de" <lemkemch AT t-online DOT de>
To: cygwin AT cygwin DOT com
Message-ID: <167965717055202d94c75b39.22280421@email.t-online.de>
Subject: Re: diff -r won't recurse
From: "lemkemch AT t-online DOT de" <lemkemch AT t-online DOT de>
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>On Sat, 04 Apr 2015 20:09:56 +0200 I wrote:
>On Fri, 03 Apr 2015 16:50:09 +0200  Andrey Repin wrote:
>>> I've got a strange problem: diff -r /d /g won't recurse into the two directories.  /d and /g are the
>>> roots of two disks where /g is a clone (disk2vhd) of /d.  ls -R and other tools have no problems
>>> to walk the tree.  strace doesn't give me a clue.  Any ideas?
>>
>>Try /d/ /g/ ?
>>Cygdrive automounts are implicit.
>>Though, I'm unable to reproduce your case.
>>
>>$ ls -l /?
>>ls: cannot access /?: No such file or directory
>>
>>$ diff -r /w /x
>>Only in /w: $RECYCLE.BIN
>>Only in /x: OS2
>>Only in /w: ssh-1Pr6UITz
>>Only in /w: System Volume Information
>>Only in /x: WINNT
>>
>
>Yes, that's what I expected.  And Erwin Waterlander suggested:
>> there are no differences
>> ;)
>
>I wish it were so.  Nevertheless (-s lists identical files):
>orion> diff -q -r -s /d/Program\ Files /g/Program\ Files
>orion> 
>
>But
>orion> ls /d/Program\ Files /g/Program\ Files
>/d/Program Files:
>7-Zip                                        GPS-Track-Analyse-6                                PlotSoft
>... snipped.
>
>/g/Program Files:
>7-Zip                                        GPS-Track-Analyse-6                                PlotSoft
>... more snipped.
>
>I am sure this got something to do with this being on a cloned disk running in a XP 
>virtual machine (vmplayer on Win 8,1).
>

Clutching at straws (note the identical serial number, does it confuse Cygwin?):

 orion> /usr/lib/csih/getVolInfo.exe /g
Device Type        : 7
Characteristics    : 20
Volume Name        : <ND D (HDD)>
Serial Number      : 3357258338
Max Filenamelength : 255
Filesystemname     : <NTFS>
Flags              : 700ff
  FILE_CASE_SENSITIVE_SEARCH  : TRUE
  FILE_CASE_PRESERVED_NAMES   : TRUE
  FILE_UNICODE_ON_DISK        : TRUE
  FILE_PERSISTENT_ACLS        : TRUE
  FILE_FILE_COMPRESSION       : TRUE
  FILE_VOLUME_QUOTAS          : TRUE
  FILE_SUPPORTS_SPARSE_FILES  : TRUE
  FILE_SUPPORTS_REPARSE_POINTS: TRUE
  FILE_SUPPORTS_REMOTE_STORAGE: FALSE
  FILE_VOLUME_IS_COMPRESSED   : FALSE
  FILE_SUPPORTS_OBJECT_IDS    : TRUE
  FILE_SUPPORTS_ENCRYPTION    : TRUE
  FILE_NAMED_STREAMS          : TRUE
  FILE_READ_ONLY_VOLUME       : FALSE
  FILE_SEQUENTIAL_WRITE_ONCE  : FALSE
  FILE_SUPPORTS_TRANSACTIONS  : FALSE

 orion> /usr/lib/csih/getVolInfo.exe /d
Device Type        : 7
Characteristics    : 20
Volume Name        : <ND D (HDD)>
Serial Number      : 3357258338
Max Filenamelength : 255
Filesystemname     : <NTFS>
Flags              : 700ff
  FILE_CASE_SENSITIVE_SEARCH  : TRUE
  FILE_CASE_PRESERVED_NAMES   : TRUE
  FILE_UNICODE_ON_DISK        : TRUE
  FILE_PERSISTENT_ACLS        : TRUE
  FILE_FILE_COMPRESSION       : TRUE
  FILE_VOLUME_QUOTAS          : TRUE
  FILE_SUPPORTS_SPARSE_FILES  : TRUE
  FILE_SUPPORTS_REPARSE_POINTS: TRUE
  FILE_SUPPORTS_REMOTE_STORAGE: FALSE
  FILE_VOLUME_IS_COMPRESSED   : FALSE
  FILE_SUPPORTS_OBJECT_IDS    : TRUE
  FILE_SUPPORTS_ENCRYPTION    : TRUE
  FILE_NAMED_STREAMS          : TRUE
  FILE_READ_ONLY_VOLUME       : FALSE
  FILE_SEQUENTIAL_WRITE_ONCE  : FALSE
  FILE_SUPPORTS_TRANSACTIONS  : FALSE


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