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openSUSE on reproducible builds summit

December 13th, 2019 by

As in the past 3 years, I joined the r-b summit where many people interested in reproducible builds met.

There were several participants from companies, including Microsoft, Huawei and Google.
Also some researchers from universities that work on tools like DetTrace, tuf and in-toto.
But the majority still came from various open-source projects – with Fedora/RedHat being notably absent.

We had many good discussion rounds, one of which spawned my writeup on the goal of reproducible builds

Another session was about our wish to design a nice interface, where people can easily find the reproducibility status of a package in various distributions. I might code a Proof-of-Concept of that in the next weeks (when I have time).
I also got some help with java patches in openSUSE and made several nice upstream reproducibility fixes – showing some others how easy that can be.

This whole event also was good team-building, getting to know each other better. This will allow us to better collaborate in the Future.

Later there will be a larger report compiled by others.

Report from the reproducible builds summit 2018

December 17th, 2018 by

Last week I attended the reproducible builds world summit in Paris.
It was very well organized by Holger, Gunner and their hidden helpers in the background. Very similar to the last 2 summits I attended in Berlin.

Because we were around 50 participants, introductions and announcements were the only things done in the big group. All actual work happened in 5-10 smaller circles.

We had participants from large companies like Google (with bazel), MicroSoft and Huawei, but also from many distributions and open source projects. Even MirageOS as non-Linux OS.

We did knowledge-sharing, refine definitions of terms, evolve concepts like “rebuilders” for verifying builds and allow users to better trust software they install, and such.

I learned about the undocumented DB dump (153 MB) and DB schema

And we had some hacking time, too, so there is now
a jenkins job that renders the list of unreproducible openSUSE Factory packages.

Also, my maintainer tool now has added support for the Alpine Linux distribution, thanks to help by one of its maintainers: Natanael Copa.
This is meant to help all cross-distro collaboration, not just for reproducible builds.

There is still work to be done to make better use of Mitre CPE to map package names across distributions.

I think, one major benefit of the summit was all the networking and talking going on, so that we have an easier time working with each other over the internet in the future.