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[bug#49640] [PATCH core-updates] gnu: ghostscript: Improve reproducibili
From: |
Ludovic Courtès |
Subject: |
[bug#49640] [PATCH core-updates] gnu: ghostscript: Improve reproducibility of PDF document generation |
Date: |
Mon, 19 Jul 2021 16:35:18 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) |
Hi Guillaume,
Guillaume Le Vaillant <glv@posteo.net> skribis:
> When trying to solve a reproducibility issue when generating the
> PDF documentation of the txr software (see [1]), Paul Patience noticed
> that ghostscript writes a creation date in the PDF even when the
> GS_GENERATE_UUIDS environment variable is set to "0".
>
> The attached patch updates 'ghostscript-no-header-creationdate.patch' to
> fix this issue.
>
> Given the amount of rebuilds caused by modifying ghostscript, this
> should go to core-updates, but is core-updates in freeze state already,
> or can I push this patch right now?
[...]
> From db5962c68099f835350c24c8a3f889b9fa1f8a8e Mon Sep 17 00:00:00 2001
> From: Guillaume Le Vaillant <glv@posteo.net>
> Date: Mon, 19 Jul 2021 11:48:12 +0200
> Subject: [PATCH] gnu: ghostscript: Improve reproducibility of PDF document
> generation
>
> * gnu/packages/patches/ghostscript-no-header-creationdate.patch: Disable
> writing "xmp:ModifyDate" and "xmp:CreateDate" if GS_GENERATE_UUIDS is set to
> "0" or "no".
LGTM, you can push to ‘core-updates’. Was this submitted upstream?
Note: when ‘core-updates’ is frozen, we’ll fork ‘core-updates-frozen’ so
that people can happily keeping messing up on ‘core-updates’. This was
suggested some months ago during the Guix Days and I think it can make
things smoother!
Thanks,
Ludo’.