[OE-core] [PATCH 3/4] kern-tools: fix processing for no branch meta-data

[Paul Barker]

On Tue, 06 Dec 2016 22:14:41 +0100
Patrick Ohly <patrick.ohly at intel.com> wrote:

> On Fri, 2016-12-02 at 16:09 -0500, Bruce Ashfield wrote:
> > Lernel meta-data that has patches, but no branches, can trigger an
> > error due to no branch specific patch queue.
> > 
> > This error then cascades to more issues since the tools are using
> > a named file in /tmp to store and display error messages to the
> > user.
> > 
> > We fix both issues though the following kern tools tweaks:
> > 
> >   commit bd9e1d6c9b0a34ff3e19a06999aaf57ffadfd04c
> >   Author: Bruce Ashfield <bruce.ashfield at windriver.com>
> >   Date:   Fri Dec 2 13:09:40 2016 -0500
> > 
> >     scc: use mktemp for consolidated output capture
> > 
> >     To provide useful error messages the tools dump pre-processed
> >     files and messages to a temporary file. If multiple users are
> >     doing builds, this means they either race, or can have permissions
> >     issues.
> > 
> >     By creating the temporary file via mktemp, we avoid both issues.
> >     (We also make sure to clean these up on exit, or /tmp will get
> >     polluted quickly).
> > 
> >   commit a287da4bfe0b4acb8f2b0627bd8e7abd1a1dde26
> >   Author: Bruce Ashfield <bruce.ashfield at windriver.com>
> >   Date:   Fri Dec 2 13:08:08 2016 -0500
> > 
> >     patch: do not assume a branch specific patch queue is needed
> > 
> >     When processing input files per-branch and global patch queues are
> >     generated. If the meta-data has not created any branches in the
> >     repo, no branch specific queue is required.
> > 
> >     The tools assumed that one is always valid, and hence would throw a
> >     non-zero exit code and stop processing.
> > 
> >     By testing for a named per-branch queue, we avoid this issue.
> 
> Ostro OS runs into the problem while trying to use current OE-core
> master:
> 
>  .../patch.cmd: line 29: : No such file or directory
> 
> | ERROR: Function failed: do_kernel_metadata (log file is located ...)
> 
> This commit here fixed it for me. I see that it is already in Ross' mut2
> branch, so hopefully that'll land in master soon.
> 

Ditto for meta-raspberrypi, the kernel doesn't build with current
oe-core master as discussed on the yocto@ list. This patch is needed
to fix things.

Thanks,
Paul Barker