[lxc-devel] [PATCH 2/2] templates: use hardlink detection in rsync

Michael H. Warfield mhw at WittsEnd.com
Tue Dec 4 03:34:16 UTC 2012


On Mon, 2012-12-03 at 21:25 -0600, Serge Hallyn wrote:
> Quoting Michael H. Warfield (mhw at WittsEnd.com):
> > On Mon, 2012-12-03 at 20:43 -0600, Serge Hallyn wrote:
> > > A-ha, actually busybox cp does not support -T, at least here on ubuntu
> > > 12.10.  So should we go with rsync -ah after all since it's more likely
> > > they'll install rsync next to busybox?  Or is that not actually likely?
> > 
> > rsync -aH
> 
> Heh, yeah, my patch did have it right in my defense :)
> 
> > Capitalization is critical here.
> > 
> > Option -x (do not cross devices) is not the same as -X (extendended
> > attributes).
> > 
> > > -serge
> > 
> > I would like to know where rsync is not available.  If rsync is

> In an ultra-minimal busybox based system?

> not sure...

Nor am I...

> > available then "rsync -H" is available.
> > 
> > That is my concern with busybox.  They are very POSIX compliant and I'm
> > not sure this is a POSIX feature.  I run into this all the time in
> > Android and TinyCore (I've had to recode things to run under busybox ash
> > shell under TinyCore).  I trust rsync better than cp in differing
> > environments for that very reason.  I know what rsync will support (if
> > it's there).  I don't always know what options cp will support.

> Ok, so let's stick with my original 2 patches (top of this thread).

> Objections?  (Acks?)

Objections: none from me.

Ack: Michael H. Warfield <mhw at WittsEnd.com>

> -serge

Regards,
Mike
-- 
Michael H. Warfield (AI4NB) | (770) 985-6132 |  mhw at WittsEnd.com
   /\/\|=mhw=|\/\/          | (678) 463-0932 |  http://www.wittsend.com/mhw/
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