[OE-core] [PATCH] base: improve do_unpack[cleandirs] logic

[Peter Kjellerstedt]

> -----Original Message-----
> From: openembedded-core-bounces at lists.openembedded.org
> [mailto:openembedded-core-bounces at lists.openembedded.org] On Behalf Of
> Burton, Ross
> Sent: den 26 april 2018 12:46
> To: OE-core <openembedded-core at lists.openembedded.org>
> Subject: Re: [OE-core] [PATCH] base: improve do_unpack[cleandirs] logic
> 
> Retracting this, doesn't work on a clean build dir.
> 
> Ross
> 
> On 25 April 2018 at 14:58, Ross Burton <ross.burton at intel.com> wrote:
> > If a recipe sets S to ${WORKDIR}/ then the S != WORKDIR test doesn't
> work as
> > expected.  Use os.path.samefile() instead of string comparisons to do
> the right
> > thing.
> >
> > Signed-off-by: Ross Burton <ross.burton at intel.com>
> > ---
> >  meta/classes/base.bbclass | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/meta/classes/base.bbclass b/meta/classes/base.bbclass
> > index bb1f4b75336..7ddf70414a1 100644
> > --- a/meta/classes/base.bbclass
> > +++ b/meta/classes/base.bbclass
> > @@ -152,7 +152,7 @@ python base_do_fetch() {
> >  addtask unpack after do_fetch
> >  do_unpack[dirs] = "${WORKDIR}"
> >
> > -do_unpack[cleandirs] = "${@d.getVar('S') if d.getVar('S') != d.getVar('WORKDIR') else os.path.join('${S}', 'patches')}"

This should work even if the paths don't exist:

do_unpack[cleandirs] = "${@d.getVar('S') if os.path.realpath(d.getVar('S')) != os.path.realpath(d.getVar('WORKDIR')) else os.path.join('${S}', 'patches')}"

> > +do_unpack[cleandirs] = "${@os.path.join('${S}', 'patches') if os.path.samefile(d.getVar('S'), d.getVar('WORKDIR')) else d.getVar('S')}"
> >
> >  python base_do_unpack() {
> >      src_uri = (d.getVar('SRC_URI') or "").split()
> > --
> > 2.11.0

//Peter