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Eighth status update about reproducible live-build ISO images in Jenkins



Hello lists,

here is the eighth update of the status for reproducible live-build ISO images [1].

Reproducible status:
* Unchanged: All major desktops build reproducibly with bullseye, bookworm and sid ...
** ... except for Cinnamon on bookworm and sid

New and changed:
* The debian-installer preserves timestamps when it publishes the daily images [2][3]
* Work in progress: a stand-alone script to rebuild a live-build image
** This will also include a fresh debian-installer part
** When ready, Jenkins will call this script instead of doing it in a long Jenkins script
* Under review: use openQA to walk through every single boot menu entry [4]
** This will test the functionality of the reproducible ISO images, and helps to find issues early
*** e.g. kernel module mismatch in the Debian Installer
*** Fixed an issue with UEFI and safe boot [5]

Patch available but not released yet:
* libxmlb2: Used a pointer address (%p) for a hash value [6]
* texlive-base: Reported differences in the generated ls-R [7]

Future plans/ideas:
* texlive-base: More sources for non-reproducibility are noted in the Wiki page [1]
** Only the Cinnamon desktop is affected, starting with bookworm
* Recording the configuration used by live-build
** Next step: test some scenarios and write a proposal
* Reprotest might be used instead of just 2 builds without a short time frame, to capture more variations
* Use disorderfs
* Long term: When live-build images are working fine, the work could be extended to other images, e.g. the netinst images or perhaps even Docker images * Transfer the special features of the (now disabled) live-wrapper live images to live-build
* Start building official live-images again

With kind regards,
Roland Clobus

[1] https://wiki.debian.org/ReproducibleInstalls/LiveImages
[2] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1006800
[3] https://d-i.debian.org/daily-images/amd64/
[4] https://salsa.debian.org/qa/openqa/openqa-tests-debian/-/merge_requests/2
[5] https://salsa.debian.org/live-team/live-build/-/merge_requests/278
[6] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1006358
[7] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1003449

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