Debian Bug report logs - #983148
wxmaxima: reproducible builds: Embeds date in manpage dependent on timezone

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Message #5 received at submit@bugs.debian.org (full text, mbox, reply):

From: Vagrant Cascadian <vagrant@reproducible-builds.org>

To: submit@bugs.debian.org

Subject: wxmaxima: reproducible builds: Embeds date in manpage dependent on timezone

Date: Fri, 19 Feb 2021 20:35:21 -0800

[Message part 1 (text/plain, inline)]

Source: wxmaxima
Severity: normal
Tags: patch
User: reproducible-builds@lists.alioth.debian.org
Usertags: timestamps timezone
X-Debbugs-Cc: reproducible-bugs@lists.alioth.debian.org

The timezone affects the date embedded in the wxmaxima.1 manpages:

  https://tests.reproducible-builds.org/debian/rb-pkg/unstable/amd64/diffoscope-results/wxmaxima.html

  wxmaxima.1

  .TH·"WXMAXIMA"·"1"·"2020-12-27"·"wxMaxima·20.12.1"
  vs.
  .TH·"WXMAXIMA"·"1"·"2020-12-29"·"wxMaxima·20.12.1"

The attached patch fixes this by setting the timestamp to use the UTC
timezone.


Thanks for maintaining wxmaxima!


live well,
  vagrant

[0001-data-CMakeLists.txt-Use-UTC-timestamp.patch (text/x-diff, inline)]

From 4e3d8e6f9fafa983dfbe0b0fcb07499696d1fb4d Mon Sep 17 00:00:00 2001
From: Vagrant Cascadian <vagrant@reproducible-builds.org>
Date: Sat, 20 Feb 2021 03:35:09 +0000
Subject: [PATCH] data/CMakeLists.txt: Use UTC timestamp.

While cmake respects SOURCE_DATE_EPOCH, the timezone may still change
the date stamp used.

https://reproducible-builds.org/docs/source-date-epoch/
---
 data/CMakeLists.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/data/CMakeLists.txt b/data/CMakeLists.txt
index 992cdc2..62120a6 100644
--- a/data/CMakeLists.txt
+++ b/data/CMakeLists.txt
@@ -19,7 +19,7 @@ set(PIXMAPS
 if(WIN32)
     add_subdirectory(fonts)
 else()
-    string(TIMESTAMP CURRENTDATE "%Y-%m-%d")
+    string(TIMESTAMP CURRENTDATE "%Y-%m-%d" UTC)
     # the config file is ~/.wxMaxima if wxWidgets < 3.1.1
     #                    ~/.config/wxMaxima.conf if wxWidgets >= 3.1.1 (XDG Specification)
     if(wxWidgets_VERSION_STRING VERSION_GREATER_EQUAL "3.1.1")
-- 
2.20.1

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Message #10 received at 983148-done@bugs.debian.org (full text, mbox, reply):

From: Vagrant Cascadian <vagrant@reproducible-builds.org>

To: 983148-done@bugs.debian.org

Subject: Re: wxmaxima: reproducible builds: Embeds date in manpage dependent on timezone

Date: Thu, 15 Dec 2022 11:41:22 -0800

[Message part 1 (text/plain, inline)]

Version: 22.05.0-1

On 2021-02-19, Vagrant Cascadian wrote:
> The timezone affects the date embedded in the wxmaxima.1 manpages:
...
>   wxmaxima.1
>
>   .TH·"WXMAXIMA"·"1"·"2020-12-27"·"wxMaxima·20.12.1"
>   vs.
>   .TH·"WXMAXIMA"·"1"·"2020-12-29"·"wxMaxima·20.12.1"
>
> The attached patch fixes this by setting the timestamp to use the UTC
> timezone.

This was apparently fixed in an earlier upstream version:

  https://tests.reproducible-builds.org/debian/history/wxmaxima.html

live well,
  vagrant

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