[bitbake-devel] [PATCH 09/11] lib/bb/siggen: add collapsed mode to compare_sigfiles()

[Paul Eggleton]

On Friday, 7 April 2017 6:37:49 PM NZST Patrick Ohly wrote:
> On Fri, 2017-04-07 at 09:52 +1200, Paul Eggleton wrote:
> > If we just want to drill down to the actual differences then we don't
> > need to see certain things in the output, e.g. basehash changing or the
> > signature of dependent tasks. This will be used for comparing signatures
> > within buildhistory-diff in OE-Core; the default mode as used by
> > bitbake-diffsigs and bitbake -S printdiff remains unchanged for the
> > moment.
> 
> This sounds interesting. The bitbake-diffsigs output I got for the
> yocto-compat-layer had such useless "basehash changed" comments. Should
> we add a mode parameter to bitbake-diffsigs that allows choosing this
> collapsed mode?

We could, but to be effective the caller needs to handle the output in a 
particular way (see what I've done in the buildhistory-diff patchset I sent 
today).

FYI my plan for 2.4 is to evaluate whether this collapsed mode or something 
like it is better as a default display mode.

Cheers,
Paul

-- 

Paul Eggleton
Intel Open Source Technology Centre