Building live images from snapshot.d.o

[Roland Clobus]

Hello lists,

Recently I've started to look again at snapshot.debian.org as an 
alternative source for generating live images. I've adjusted the 
building script to make the images between builds as similar as 
possible, but now there 'only' some timestamps left.

These timestamps are from .deb packages, which are downloaded with the 
--timestamping option enabled.
However, the timestamps differ between deb.debian.org and 
snapshot.debian.org for files with the same content.

One example deb file (my timezone is CET):

ls -l --time-style=+'%Y-%m-%d %H:%M:%S' libacl1_2.3.2-2+b1_amd64.deb
-> 2024-10-28 16:09:31

7z x libacl1_2.3.2-2+b1_amd64.deb
->
Path = data.tar.xz
Size = 31464
Modified = 2024-10-28 16:02:52

Should I normalise the timestamp of the .deb files to the timestamp of 
data.tar.xz, while builing the live images?
Or should this be solved 'upstream' in the Debian archive/snapshot 
archive to preserve/set the timestamps of the .deb files?

With kind regards,
Roland Clobus

My command lines (using the most recent git)
reset;clear;$LIVE_BUILD/test/rebuild.sh --debian-version trixie 
--installer-origin archive --configuration standard --timestamp archive
mv live-image-amd64.hybrid.iso ../archive.iso
reset;clear;$LIVE_BUILD/test/rebuild.sh --debian-version trixie 
--installer-origin archive --configuration standard --timestamp snapshot
mv live-image-amd64.hybrid.iso  ../snapshot.iso
cd ..
diffoscope archive.iso snapshot.iso --html archive_vs_snapshot.html
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