VIM - Vi IMproved 6.4 (2005 Oct 15, compiled Oct 17 2005 11:54:34

[Michael Schaap]

On 4-Nov-2005 1:49, Igor Pechtchanski wrote:
> On Fri, 4 Nov 2005, Michael Schaap wrote:
>
>   
>> On 20-Oct-2005 16:42, Christopher Faylor wrote:
>>     
>>> On Thu, Oct 20, 2005 at 04:15:34PM +0200, Christoph Jeksa wrote:
>>>
>>>       
>>>> there is a bug in this version:
>>>>
>>>> Supposed, you have a file X.sh ( exactly in this spelling ).  If you
>>>> enter:
>>>>
>>>> vim x.sh ( also exactly in this spelling )
>>>>
>>>> and write it back after any modification, the file will be renamed even
>>>> to x.sh.  This behavior is very nasty if such file is used by programs
>>>> which are case-sensitive for file names, example: SCM program perforce.
>>>>         
>>> This isn't a vim problem.  Windows filename handling is case-insensitive.
>>>
>>> I suppose that there could be a vim option to deal with this case but
>>> that would require modifying vim, i.e., PTC* by the upstream vim
>>> developers.
>>>       
>> Actually, there already is such an option...
>>
>>     $ touch X
>>     $ ls -l
>>     total 0
>>     -rw-r--r--  1 mscha None 0 Nov  4 01:29 X
>>     $ vim x
>>     :wq!
>>     $ ls -l
>>     total 0
>>     -rw-r--r--  1 mscha None 0 Nov  4 01:30 x
>>     $ rm x
>>     $ touch X
>>     $ vim -c 'set backupcopy=yes' x
>>     :wq!
>>     $ ls -l
>>     total 0
>>     -rw-r--r--  1 mscha None 0 Nov  4 01:30 X
>>
>> See ":help backupcopy" for details.  It defaults to "auto", which is
>> kinda unpredictable.  Set it to "yes", and it might be a bit slower, but
>> won't mess with your case.  :-)
>>     
>
> More interestingly, ":help backupcopy" says:
>
> (Vi default for Unix: "yes", otherwise: "auto")
>
> This means that VIm treats Cygwin as non-Unix.  Shouldn't the Cygwin
> default be the same as for Unix?
>   
Good point, I missed that...

Actually, it turns out that Cygwin *does* use the UNIX default. 
However, when 'compatible' is not set (e.g. when a .vimrc exists) it
sets backupcopy=auto.  (See ":help compatible")
That explains the varying experiences in this mailing list...

 - Michael

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