Bug#977180: mlpost: reproducible builds: examples.tar.gz includes user, group and file mode

[Vagrant Cascadian]

Source: mlpost
Severity: normal
Tags: patch
User: reproducible-builds at lists.alioth.debian.org
Usertags: umask username
X-Debbugs-Cc: reproducible-bugs at lists.alioth.debian.org

The file /usr/share/doc/mlpost/examples/examples.tar.gz includes user,
group and file mode that may vary between builds:

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

  1 drwxr-xr-x···0·pbuilder1··(1111)·pbuilder1··(1111)········0·2017-03-10·08:57:15.000000·examples/
  1 drwxrwxr-x···0·pbuilder2··(2222)·pbuilder2··(2222)········0·2017-03-10·08:57:15.000000·examples/


The attached patch fixes this by passing arguments to tar to ensure
consistent user id, group id, sort order, timestamps and pax headers.


Thanks for maintaining mlpost!


live well,
  vagrant
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