Re: [PATCH] rpm: Fix handling of SOURCE_DATE_EPOCH

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On Thu, Oct 29, 2020 at 12:27:16PM +0100, Michal Privoznik wrote:
> On 10/28/20 9:47 PM, Neal Gompa wrote:
> > On Wed, Oct 28, 2020 at 7:49 AM Michal Privoznik <mprivozn@xxxxxxxxxx> wrote:
> > > 
> > > On 10/27/20 1:06 PM, Neal Gompa wrote:
> > > > On Tue, Oct 27, 2020 at 6:24 AM Michal Privoznik <mprivozn@xxxxxxxxxx> wrote:
> > > > > 
> > > > > On 10/26/20 11:08 PM, Neal Gompa wrote:
> > > > > > Contemporary versions of Fedora automatically set SOURCE_DATE_EPOCH
> > > > > > based on the changelog entry date stamp. In scenarios where it already
> > > > > > is defined, we do not want to redefine it.
> > > > > > 
> > > > > 
> > > > > This part is okay.
> > > > > 
> > > > > > Additionally, when building the libvirt package in an Open Build Service
> > > > > > instance, the spec file is not present in %_specdir, but instead in %_sourcedir.
> > > > > > 
> > > > > 
> > > > > But this looks fishy. Is the %_specdir defined in that case?
> > > > > 
> > > > 
> > > > It is (that comes from RPM itself), however the directory is empty.
> > > 
> > > That feels like a bug in OBS then. IIUC this macro can be specified on
> > > the rpmbuild's cmd line. Can't it set the %_specdir to be the same as
> > > %_sourcedir?
> > > 
> > 
> > Nothing about RPM mandates that %_specdir is actually *used* for anything.
> > 
> 
> But this is not the case, is it? %_specdir is defined and points to an
> actual directory. Having said that, I am not against the change, but maybe
> we can document this weirdness somewhere? Also, with the latest specfile
> discussion I'll let Andrea take a look.

I'm inclined to just delete all the source epoch stuff from the spec and
rely on the build environment set it if they want reproducable builds.


Regards,
Daniel
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