Re: [PATCH 00/10] merge_config misc reworks and testcases

From: Darren Hart
Date: Wed Oct 28 2015 - 03:05:52 EST

On Wed, Oct 28, 2015 at 01:30:59AM -0400, Bruce Ashfield wrote:
> On 10/28/2015 01:02 AM, Darren Hart wrote:
> >On Wed, Oct 28, 2015 at 09:42:01AM +0900, Olof Johansson wrote:
> >>- The script now prints the warnings on stderr, and returns non-0 when
> >> something is encountered
> >
> >This one might impact linux-yocto usage, Bruce? That said, it seems like the
> >right thing to do. So I'd still like to see it go in, but we may need to plan to
> >update the dependent tooling to use it.
> I don't directly let the merge_config output be visible, but capture it
> and then do more processing later. So while this may mean that I have
> to update some wrappers to capture stderr, it shouldn't be a big deal.
> >
> >>
> >>- Optionally, it'll also return non-0 when a redundant entry is found. I
> >> presumed people rely on -r not being a failure so I did this separately
> >>
> >>- CONFIG_FOO=n and "# CONFIG_FOO is not set" is now treated the same,
> >> and using the former doesn't cause an invalid warning when the results
> >> are checked at the end
> >>
> >>- Slightly odd things happened if a fragment contains the same option
> >> twice: It'd produce a warning that was malformed. Now just ignore that
> >> and use only the latest value of said option.
> >
> >This one will likely impact usage as well. linux-yocto does want to report when
> >there is an override, not as an error, but for informational purposes - "Where
> >does my option get clobbered?"
> I haven't looked at the patches yet (and I will shortly), but if that
> is within a single fragment, I can live with it going away, since it is
> easy to check that outside of the merge script.
> But if this is a redefinition between fragments, that's something different
> and something that I capture and report to users, and yes, I
> currently take it from the output of the merge_config run. If it goes
> away, I'd have to recreate it somehow.
> So if this can at least be maintained as enabled via a parameter, that
> would be be ideal. Otherwise, I'll have to recreate the output some
> other way.

It still reports redundancies across different fragments. It just fixes the grep
so it doesn't display two options from the same file.

Darren Hart
Intel Open Source Technology Center
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