GNU bug report logs - #23213
cp command with -P option odd behavior over ssh

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Kousik Mandal <kousikmandal <at> gmail.com>
Subject: bug#23213: closed (Re: bug#23213: cp command with -P option odd
 behavior over ssh)
Date: Mon, 04 Apr 2016 14:58:02 +0000

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Your bug report

#23213: cp command with -P option odd behavior over ssh

which was filed against the coreutils package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 23213 <at> debbugs.gnu.org.

-- 
23213: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=23213
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Kousik Mandal <kousikmandal <at> gmail.com>, 23213-done <at> debbugs.gnu.org
Subject: Re: bug#23213: cp command with -P option odd behavior over ssh
Date: Mon, 4 Apr 2016 07:57:40 -0700

On 04/04/2016 04:12 AM, Kousik Mandal wrote:
> [user1 <at> test~]$ ssh user1 <at> testsh -c  'cp -vPprf /tmp/123 /tmp/4576'

ssh -c takes a cipher-spec as an operand, not a command.

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From: Kousik Mandal <kousikmandal <at> gmail.com>
To: bug-coreutils <at> gnu.org
Subject: cp command with -P option odd behavior over ssh
Date: Mon, 4 Apr 2016 16:42:57 +0530

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Hi Team,

In Linux system, I have created /tmp/123 directory.
---snip---
mkdir -p /tmp/123
---snip---

/tmp/4576 is a non existent directory, now I am executing following cp
command
---snip---
cp -vPprf /tmp/123 /tmp/4576
`/tmp/123' -> `/tmp/4576'


ls /tmp/4576
123
---snip---

So above command is successfully copied directory 123 under /tmp/4576

Now I am trying to execute the same command over ssh

----snip---
[user1 <at> test~]$ ssh user1 <at> testsh -c  'cp -vPprf /tmp/123 /tmp/4576'
user1 <at> test's password:
cp: missing file arguments
Try `cp --help' for more information.
----snip---

but it's always failing. I have tried the same command on multiple Linux
system and found same failure.

Can you please help me why it's failing?
Is it a bug with cp -P option?
Are there any workaround mean any kind of configuration change is needed to
get it work?

Thanks,
Kousik

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