[OE-core] [PATCH v1] wic: Add --exclude-path option to rootfs source plugin.

[Ed Bartosh]

On Mon, Nov 28, 2016 at 08:15:26AM +0100, Kristian Amlie wrote:
> > 
> > What's the reason of insisting that path must be absolute?
> > May be it's just me, but I find it a bit scaring to use absolute path in .wks
> > The patch is relative to the rootfs directory from my point of view.
> > 
> > It also looks quite strange in the code to insist on absolute path
> > +                if not os.path.isabs(path):
> > +                    msger.error("Must be absolute: --exclude-path=%s" %
> > 
> > and then immediately making it relative:
> > +
> > +                while os.path.isabs(path):
> > +                    path = path[1:]
> 
> Not really any strong reason. I just thought it was a logical thing to
> do from a user perspective: When you're making an image you're thinking
> about paths in the final image, and the path after "part" is absolute,
> so I thought this one should be too.
> 
> The fact that it's made relative in the code is just an implementation
> detail to make join() work correctly.
> 
> I'm fine either way, so just let me know which you prefer.
> 
I'd prefer relative path as I think about --exclude-path as a path in
the source rootfs directory that we want to exclude from copying to
the target partition. However, I agree that that it can be also treated
as a path to the target directory.

--
Regards,
Ed