Re: [ptxdist] [PATCH v3] Detect changes in package patch series

[Jon Ringle <jon@ringle.org>]

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On Fri, Aug 3, 2018 at 4:51 AM Uwe Kleine-König <
u.kleine-koenig@pengutronix.de> wrote:

> On Fri, Aug 03, 2018 at 04:41:56AM -0400, jon@ringle.org wrote:
> > From: Jon Ringle <jringle@gridpoint.com>
> >
> > For a long time it has bothered me that if a package's patches were
> changed
> > ptxdist would not detect this change and I would often have old versions
> of
> > *-dev.tar.gz packages that got used because the packages patches were
> > updated.
> >
> > This commit solves this problem.
> >
> > Here's how it works:
> > 1) In the package rule makefile add `${PKG}_SERIES_SHA256 :=`
> > 2) extract the package and from the packages src dir do `git ptx-patches`
> >    This will populate the rule makefile _SERIES_SHA256 value
> > 3) Anytime you make a patch change to a package and do `git ptx-patches`
> >    the series file gets updated with the `git rev-parse HEAD` value which
> >    causes the series file to have a new sha256 value and therefore a new
> >    value gets populated in the rule makefile, which then causes the
> package
> >    to be rebuilt and the *-dev.tar.gz package will have a different
> cfghash
> >    in the filename
>
> I didn't test, but if the value of $(git rev-parse HEAD) is relevant:
> Are you aware that this isn't reproducible, i.e. it changes by
>
>         ptxdist clean pukyxml
>         ptxdist extract --git pukyxml
>
> ?
>

under what circumstances would you get a different value for the `git
rev-parse HEAD` if the package version, series and patches being applied
has not changed?

-Jon

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