Thank you, Michael, for helping figure it out.

Additional clarifications:

For example:
on windows host I open a remote file from a linux host:
/pscp:[email protected]:/tmp/tmp.php
Initially permissions have execute bit on:
-rwxrwxrwx

Then after edits I save
and emacs generates a backup tmp.php~
and creates the new version tmp.php
without execute permissions:
-rw-rw-rw

It seems to be happening inconsistantly/intermittently (sometimes to some
files, but not other)
At least I have not figured out a pattern.
I can't seem to replicate it at the moment.

re: enough rights
should not be the case since it happens even when user is root

re: ownership
either root or regular user, but again should not matter for root user?

re: expected permissions
ideal case - keep same permissions as the file had before update.





On Tue, Sep 4, 2012 at 11:35 AM, Michael Albinus <[email protected]>wrote:

> Konstantin Weiner <[email protected]> writes:
>
> > Hi Michael
>
> Hi Konstantin,
>
> > My versions:
> > Emacs : GNU Emacs 24.0.50.1 (i386-mingw-nt5.1.2600)
> > of 2011-09-19 on 3249CTO
> > Package: tramp (2.2.4)
>
> Your local machine runs MS Windows. Do you have problems, when copying
> local files to remote, or vice versa?
>
> If not (you copy only remote files), it might be that you don't have
> enough karma to change file permission on the target file. Maybe you
> could give us a concrete example? Source file name, target file name,
> ownership of both files and the upper directory, expected permissions,
> etc.
>
> And maybe you could run a test, when tramp-verbose is set to 6. The
> resulting debug buffer could tell us more.
>
> Best regards, Michael.
>
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