Bug#1126000: snapshot.debian.org: Preserve timestamps

[Roland Clobus]

Package: snapshot.debian.org
Severity: normal
X-Debbugs-Cc: reproducible-bugs at lists.alioth.debian.org
User: reproducible-builds at lists.alioth.debian.org

Hello maintainers of snapshot.debian.org,

While trying to reproduce the official live images of Debian, I've noticed that the timestamp of .deb files differ between deb.debian.org and snapshot.debian.org [1].

An example: (Downloaded with wcurl, then: TZ="Z" ls --time-style=+%s -l)
https://deb.debian.org/debian/pool/main/h/hwdata/pnp.ids_0.394-1_all.deb
1743744651

https://snapshot.debian.org/archive/debian/20251231T202918Z/pool/main/h/hwdata/pnp.ids_0.394-1_all.deb
1743756392

I've found the code on Salsa [2], but don't know where to start looking to prepare a fix.

With kind regards,
Roland Clobus

[1] https://lists.reproducible-builds.org/pipermail/rb-general/2026-January/003991.html
[2] https://salsa.debian.org/snapshot-team/snapshot
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