Re: [PROPOSAL] time zones and reproducible builds (was: How to make groff use local timezone?)

[Deri]

On Sunday, 9 July 2023 17:59:04 BST G. Branden Robinson wrote:
> [adding Deri to CC]
> 
> At 2023-07-09T13:24:27+0100, Colin Watson wrote:
> > On Sun, Jul 09, 2023 at 02:42:55AM +0100, Colin Watson wrote:
> > > So, how about the attached patch?
> > 
> > I somehow neglected to update doc/groff.texi.  Here's an updated
> > version.
> 
> I have no objection to this patch.  I think Colin is right that none
> but reproducible-build mavens are going to use $SOURCE_DATE_EPOCH.
> 
> I am curious to see some concrete examples of the sorts of shenanigans
> TZ is used for in reproducible build testing, which foreclose the groff
> 1.23.0 approach as far as Debian (and presumably others) are concerned.
> 
> Also, we should solicit a +1 from Deri for the gropdf patch.  I'm
> attaching just that part for his convenience.
> 
> Regards,
> Branden

Hi Branden,

It looks Ok, not tested. I'm happy for you to apply. Once gropdf moves to the 
font subsetting version it will cause a problem for reproducible builds, since 
the gubbins inside the pdf changes enormously, but it should look identical.

Cheers 

Deri