[gdal-dev] Symlinks to VRTs

[Kurt Schwehr]

You can also disable readlink to fix some issues.  e.g. in a content
addressable storage (CAS) filesystem, every file is typically in a separate
directory, so you don't want links dereferenced.

https://github.com/OSGeo/gdal/blob/trunk/gdal/port/cpl_config.h.in#L151

On Wed, Mar 8, 2017 at 1:46 PM, Even Rouault <even.rouault at spatialys.com>
wrote:

> On mercredi 8 mars 2017 22:37:42 CET Luis Ressel wrote:
>
> > On Wed, 08 Mar 2017 21:28:34 +0100
>
> >
>
> > Even Rouault <even.rouault at spatialys.com> wrote:
>
> > > The relevant piece of code is in
>
> > > https://github.com/OSGeo/gdal/blob/trunk/gdal/frmts/vrt/
> vrtdataset.cpp#L73
>
> > > 9
>
> > >
>
> > > If you look a bit below in
>
> > > https://github.com/OSGeo/gdal/blob/trunk/gdal/frmts/vrt/
> vrtdataset.cpp#L81
>
> > > 4
>
> > > there's an open option ROOT_PATH that could be set to b/ to get the
>
> > > behaviour you wish.
>
> >
>
> > Thanks for the hint! Adjusting the ROOT_PATH is an acceptable solution
>
> > in my use case.
>
> >
>
> > Interestingly, GDAL used to handle symlinks to VRTs in the way I'd
>
> > expected, but this was changed back in 2013 (commit 66b3918df in the
>
> > git repository, committed by you).
>
>
>
> Looking at the commit message, it appears that this change was contributed
> by someone else from https://trac.osgeo.org/gdal/ticket/4999
>
> But my intuition is that the current behaviour is more natural than the
> previous one (ie the one you'd expect). But obviously different people have
> different use cases.
>
>
>
> >
>
> > Regards,
>
> > Luis Ressel
>
>
>
>
>
> --
>
> Spatialys - Geospatial professional services
>
> http://www.spatialys.com
>
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