Re : [Qemu-devel] [RFC][PATCH] Rename qemu into qemu-system-i386 and install a compat symlink

[Sylvain Petreolle]

----- Message d'origine ----
> De : Anthony Liguori <address@hidden>
> À : address@hidden
> Envoyé le : Dimanche, 19 Avril 2009, 0h11mn 49s
> Objet : Re: [Qemu-devel] [RFC][PATCH] Rename qemu into qemu-system-i386 and 
> install a compat symlink
> 
> Aurelien Jarno wrote:
> > On Sat, Apr 18, 2009 at 08:21:09PM +0200, Stefan Weil wrote:
> >  
> >> Aurelien Jarno schrieb:
> >>    
> >>> On Sat, Apr 18, 2009 at 07:22:20PM +0200, Andreas Färber wrote:
> >>>        
> >>>> Am 18.04.2009 um 18:01 schrieb Aurelien Jarno:
> >>>> 
> >>>>            
> >>>>> For historical reasons, qemu system on i386 is called qemu instead of
> >>>>> qemu-system-i386. This seems to confuse users.
> >>>>> 
> >>>>> This patch installs it as qemu-system-i386, and create a compatibility
> >>>>> symlink qemu -> qemu-system-i386 as some tools may call it that way.
> >>>>> We can change or remove this symlink after a few releases when all the
> >>>>> tools have migrated to this new name.
> >>>>> 
> >>>>> Signed-off-by: Aurelien Jarno 
> >>>>>                
> >>>> In general a good idea imo, but don't just assume you can create  
> >>>> symlinks 
> on a given file system. Git uses hardlinks and copying as  fallbacks iirc.
> >>>>            
> >>> For hardlinks that's clear. For symlinks, what (file)systems are you
> >>> thinking of?
> >>>      
> >> NTFS?
> >>    
> > 
> > Can someone tries what ln does on such a system? We may do a copy
> > instead in that case.
> >  
> 
> Windows has a concept of shortcuts (.lnk files).  Cygwin's ln creates a 
> shortcut 
> to simulate a symbolic link.  MSYS implements 'ln -s' by doing a file copy.  
> I 
> don't think it works for directories.
> 
For directories, you have NTFS junctions. 'Linked' directories appear as actual 
directories in the filesystem.