Re: why does Subversion change file permission

On 2007-12-06 15:28:15 -0500, John Peacock wrote:
> Vincent Lefevre wrote:
>> OK, but I suppose that there are several ways to replace a file.
>> For instance, if one does "echo foo > bar" in a shell while bar was
>> already existing, then the permissions of bar are not changed.
>
> Except that is not a terribly safe operation. Much better to rename the
> old file (if it is open under some process, it will still have an open
> filenhandle), create the new file under a different name, then rename
> the new file with the original name (these are all atomic operations).

Thanks for the explanation. Now, I think that it would be a good idea
to "restore" the old permissions (possibly changing the x bit, only if
need be). Or is there anything against that?

-- 
Vincent Lefèvre <vincent_at_vinc17.org> - Web: <http://www.vinc17.org/>
100% accessible validated (X)HTML - Blog: <http://www.vinc17.org/blog/>
Work: CR INRIA - computer arithmetic / Arenaire project (LIP, ENS-Lyon)
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