[yocto] Details on Bug #963 kernel tarball corruption.

[Richard Purdie]

On Thu, 2011-07-07 at 15:31 -0700, Flanagan, Elizabeth wrote:
> On Thu, Jul 7, 2011 at 2:51 PM, Tom Zanussi <tom.zanussi at intel.com> wrote:
> > On Thu, 2011-07-07 at 13:34 -0700, Flanagan, Elizabeth wrote:
> >
> > Shouldn't this always be the state of DL_DIR i.e. any change made to the
> > contents of SRC_URI be exactly reflected in the same thing in DL_DIR?
> > If that were the case, I think it would solve the problems below as well
> > as the original problem in the bug report where downstream is apparently
> > being served the resulting badness in DL_DIR...
> 
> It should and in a clean DL_DIR, do_fetch does, in fact, clone
> correctly. But do_fetch with an already populated fetched repo in
> DL_DIR causes it to get dirty by placing new branches in
> remotes/origin. This is caused by fetch, however, looking at
> do_kernel_checkout, it seems as if this was at one point, expected
> behavior.

It is expected, *but* it should also update the local heads in sync with
the remotes.

The --mirror options claims to do this and should be exactly what is
missing...

Cheers,

Richard