Debian Bug report logs - #823940
blender: please make the build reproducible (timestamps)

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

From: Fabian Wolff <fabi.wolff@arcor.de>

To: submit@bugs.debian.org

Subject: blender: please make the build reproducible (timestamps)

Date: Tue, 10 May 2016 17:48:47 +0200

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

Source: blender
Version: 2.77.a+dfsg0-3
Severity: wishlist
Tags: patch
User: reproducible-builds@lists.alioth.debian.org
Usertags: timestamps
X-Debbugs-Cc: reproducible-builds@lists.alioth.debian.org

Hi!

While working on the "reproducible builds" effort [1], we have noticed
that blender could not be built reproducibly.

Specifically, the current system time is used to define BUILD_DATE and
BUILD_TIME in build_files/cmake/buildinfo.cmake, obviously rendering
the build unreproducible.

The attached patch uses SOURCE_DATE_EPOCH [2] instead of the current
time. This should make the build reproducible.

Regards,
Fabian Wolff

[1] https://wiki.debian.org/ReproducibleBuilds
[2] https://reproducible-builds.org/specs/source-date-epoch/

[blender.diff (text/x-diff, attachment)]

Message #10 received at 823940@bugs.debian.org (full text, mbox, reply):

From: Holger Levsen <holger@layer-acht.org>

To: 823940@bugs.debian.org, Reproducible Builds discussion list <reproducible-builds@lists.alioth.debian.org>, Fabian Wolff <fabi.wolff@arcor.de>

Subject: upstream fix

Date: Wed, 11 May 2016 12:57:30 +0000

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

control: forward -1 https://developer.blender.org/rBa18f4d2bc69aa4707fb0efa92d28297d06be060e
# I somewhat doubt this works but who knows… :)

Hi,

upstream has fixed this issue with
https://developer.blender.org/rBa18f4d2bc69aa4707fb0efa92d28297d06be060e
though I suppose using SOURCE_DATE_EPOCH as in
https://bugs.debian.org/cgi-bin/bugreport.cgi?msg=5;filename=blender.diff;att=1;bug=823940
would probably be better, because setting the environment variable
SOURCE_DATE_EPOCH is become sort of a standard way to achieve this.


-- 
cheers,
	Holger

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Message #17 received at 823940-close@bugs.debian.org (full text, mbox, reply):

From: mfv@debian.org (Matteo F. Vescovi)

To: 823940-close@bugs.debian.org

Subject: Bug#823940: fixed in blender 2.77.a+dfsg0-4

Date: Thu, 12 May 2016 12:19:26 +0000

Source: blender
Source-Version: 2.77.a+dfsg0-4

We believe that the bug you reported is fixed in the latest version of
blender, which is due to be installed in the Debian FTP archive.

A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 823940@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Matteo F. Vescovi <mfv@debian.org> (supplier of updated blender package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@ftp-master.debian.org)


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Hash: SHA512

Format: 1.8
Date: Thu, 12 May 2016 14:09:57 +0200
Source: blender
Binary: blender blender-data blender-dbg
Architecture: source
Version: 2.77.a+dfsg0-4
Distribution: unstable
Urgency: medium
Maintainer: Debian Multimedia Maintainers <pkg-multimedia-maintainers@lists.alioth.debian.org>
Changed-By: Matteo F. Vescovi <mfv@debian.org>
Description:
 blender    - Very fast and versatile 3D modeller/renderer
 blender-data - Very fast and versatile 3D modeller/renderer - data package
 blender-dbg - Very fast and versatile 3D modeller/renderer - debug package
Closes: 823940
Changes:
 blender (2.77.a+dfsg0-4) unstable; urgency=medium
 .
   * debian/: fix linking to OpenVDB library
   * debian/patches/: patchset updated
     - 0008-make_blender_reproducible.patch added (Closes: #823940)
       Thanks to Campbell Burton (upstream dev) for the patch.
Checksums-Sha1:
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 a715ca7034cbd976d1bff4b9f364fd7277dd0a7b 44388 blender_2.77.a+dfsg0-4.debian.tar.xz
Checksums-Sha256:
 0d4cc2362bf55f0925ad7e56154ff1f9ce6c3754bb0dc3cf45b653e3a4031de4 3028 blender_2.77.a+dfsg0-4.dsc
 6662086a6fd245034db4a2501063a28558d2bf1665052568eeef69b921b8159e 44388 blender_2.77.a+dfsg0-4.debian.tar.xz
Files:
 edbdda2a108273a641e049ab695295d7 3028 graphics optional blender_2.77.a+dfsg0-4.dsc
 d0184c90bc8934a2e9b3c2c951580c39 44388 graphics optional blender_2.77.a+dfsg0-4.debian.tar.xz

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Message #20 received at 823940-submitter@bugs.debian.org (full text, mbox, reply):

From: Matteo F. Vescovi <mfv@debian.org>

To: 823940-submitter@bugs.debian.org

Subject: Bug#823940 marked as pending

Date: Thu, 12 May 2016 12:16:58 +0000

tag 823940 pending
thanks

Hello,

Bug #823940 reported by you has been fixed in the Git repository. You can
see the changelog below, and you can check the diff of the fix at:

    http://git.debian.org/?p=pkg-multimedia/blender.git;a=commitdiff;h=d1b3df5

---
commit d1b3df59f87dfb5126db758a200084b97ec5148b
Author: Matteo F. Vescovi <mfv@debian.org>
Date:   Thu May 12 14:09:41 2016 +0200

    debian/changelog: new revision entry added
    
    Gbp-Dch: Ignore

diff --git a/debian/changelog b/debian/changelog
index 371d7fb..8270eba 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,12 @@
+blender (2.77.a+dfsg0-4) UNRELEASED; urgency=medium
+
+  * debian/: fix linking to OpenVDB library
+  * debian/patches/: patchset updated
+    - 0008-make_blender_reproducible.patch added (Closes: #823940)
+      Thanks to Campbell Burton (upstream dev) for the patch.
+
+ -- Matteo F. Vescovi <mfv@debian.org>  Thu, 12 May 2016 14:09:16 +0200
+
 blender (2.77.a+dfsg0-3) unstable; urgency=medium
 
   [ Matteo F. Vescovi ]

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