Bug#1037298: erlang-proper: reproducible-builds: timestamps embedded in documentation

[Vagrant Cascadian]

Source: erlang-proper
Severity: normal
Tags: patch
User: reproducible-builds at lists.alioth.debian.org
Usertags: timestamps
X-Debbugs-Cc: reproducible-bugs at lists.alioth.debian.org

The build timestamp is embedded in various /usr/share/doc/erlang-proper/

  https://tests.reproducible-builds.org/debian/rb-pkg/bookworm/amd64/diffoscope-results/erlang-proper.html

  /usr/share/doc/erlang-proper-doc/edoc/overview-summary.html

  <p><b>Version:</b>·Apr·17·2023·19:21:38</p>
  vs.
  <p><b>Version:</b>·May·21·2024·03:46:23</p>

The attached patch to debian/rules fixes this removing the lines
embedding these timestamps.

An alternate approach might be to get erlang-edoc to support
SOURCE_DATE_EPOCH:

  https://reproducible-builds.org/docs/source-date-epoch/


According to my local tests, with this patch applied erlang-proper should build
reproducibly on tests.reproducible-builds.org!

Thanks for maintaining erlang-proper!

live well,
  vagrant
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