Hi Lori,

Many thanks for your answer. I have a couple of follow-up questions.

> It looks like the Date/Publication field is only present when there was a 
> change on the branch post release.   (ie. any package that has a version 
> x.y.(z+n) instead of x.y.0.
> After a release is frozen and a new release occurs, Bioconductor does not 
> allow any changes or fixes even to bugs.  A release is frozen so there is no 
> changes after the new release occurs.

Thanks for reminding me of this. I'm interested on the x.y.z+n
packages that were released on each release, not just the last one or
the initial one. Is this historical information available? The file at
https://bioconductor.org/packages/3.20/bioc/VIEWS only includes the
latest date of a given release, but there could be a release within a
given Bioconductor version before that.

> I would have to dig in the history but my guess is 3.7 might be when we 
> either switched to git or started having archived versions so likely not 
> available before this date.

I thought it would be difficult if not impossible to check this but
even for the current release I can't find this data. Does Bioconductor
have an internal archive with this information? On CRAN even if it
removes a package internally the  activities of the archive are
stored: each date-time of publication, archive and removal. Does
something similar happen in Bioconductor? Even if a given package is
not available knowing that there was a release could be helpful for
reproducibility (as it could be used to compare with the git log).

With that information finding which package versions were used for a
script with only a date could become easier.

Best,

Lluís


>
>
>
> Lori Shepherd - Kern
>
> Bioconductor Core Team
>
> Roswell Park Comprehensive Cancer Center
>
> Department of Biostatistics & Bioinformatics
>
> Elm & Carlton Streets
>
> Buffalo, New York 14263
>
> ________________________________
> From: Bioc-devel <bioc-devel-boun...@r-project.org> on behalf of Lluís 
> Revilla <lluis.revi...@gmail.com>
> Sent: Saturday, March 15, 2025 5:20 AM
> To: bioc-devel <bioc-devel@r-project.org>
> Subject: [Bioc-devel] Bioconductor archive?
>
> Hi,
>
> Recently I learned thanks to Martin Morgan that there are some files with
> the Date/Publication fields for Bioconductor packages:
> https://secure-web.cisco.com/1WmVHwH9-fASq-_cRqjzutLif_scf2tV0oia7j9wcAlmEkD6LTfPr4hpDabt4CAjYBdFcUrtqQXG2zbH0HakIsmTnqgnHUbghB0qC_b3FyGAhL5dnDBbz1Oh7HlpVwyPV79vgW7FMsg__zeInCyPb_jmFBXAvFRuq-HsBLTAC-Bf2EfgTjG3y38kBOIGnb59DWA6ILkuC-oYK0RJe8h3JvV5RoaeA9FxDk6QokHUT-YeC7hIEd_hURH1dV0dKbJN717qRcgwyT42SNb1evj91AQrxGnEyIR2XFpm28A-qOih3N2V_YsWsZd0wzGApXcZy/https%3A%2F%2Fbioconductor.org%2Fpackages%2F3.7%2Fbioc%2FVIEWS
>  I'm trying to reconstruct
> which packages from  CRAN and Biocondctor were available at any moment and
> it was very helpful.
>
> However, these files have the latest version published by a package on a
> given Bioconductor release.
> Is there a way to know if there were more updates after a release?
> I thought about searching the git log for each package. But that wouldn't
> be enough, as they might have increased their version but not passed
> Bioconductor checks, and thus not be released.
>
> Related to this, this field is present from Bioconductor version 3.7 or
> later but I couldn't find it on previous releases. Is there a way to know
> previous packages' releases and their dates?
>
> Packages' updates on the release branch should on contain bug fixes, but
> for reproducibility purposes it might be necessary to get the same bugs
> again.
>
> Many thanks in advance,
>
> Lluís
>
>         [[alternative HTML version deleted]]
>
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