Bug#969605: snapshot.debian.org: please make it possible to figure out which timestamp one is currently using
On Sat, Sep 05, 2020 at 11:10:38PM +0200, Johannes 'josch' Schauer wrote:
> Package: snapshot.debian.org
> Severity: wishlist
>
> Hi,
>
> this wishlist bug was made in the context of the development of
> debbisect: https://salsa.debian.org/debian/devscripts/-/merge_requests/177/
>
> Currently it is possible to pass an arbitrary timestamp of the form
> %Y%m%dT%H%M%SZ in a snapshot.d.o URL and one will still get some
> results. This is cool but it would be nice if there was a way to find
> out which snapshot timestamp one actually ended up using. Given two
> timestamps X and Y which are closer together than six hours, it is
> currently very hard to determine (one would have to download and compare
> Packages and Sources files) whether one is looking at the same snapshot
> or different snapshots.
>
> In the context of debbisect, knowing the precise timestamp one is
> currently investigating would help in determining which snapshot to
> investigate next.
>
> This wishlist bug could either be solved by
>
> - documenting how an arbitrary date is turned into a snapshot timestamp
> (this would probably require a machine readable list of all snapshot
> timestamps -- see #969603) or by
> - providing an API function which turns an arbitrary date into a
> snapshot timestamp
>
As far as I can tell you figured out the latter is already possible
(https://salsa.debian.org/debian/devscripts/-/merge_requests/177/#note_200046)
For next/prev which you allude to in that comment I guess that would
mean a mr endpoint for archives. The info is in
/archive/{archive}/{date}/ but that's not useful as an API. If you want
to propose an API for this it doesn't look like it should be too hard to
add.
Cheers,
Julien
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