I wrongfully stated that CRAN added a line. The line was not added but changed (and not in the SVN repo). A diff between both downloads is available here:
https://gist.github.com/boegel/2ea28647f00ddd9b18f9b1a0ac6dd2b4 Cheers Joris On Mon, Apr 30, 2018 at 6:03 PM, Joris Meys <joris.m...@ugent.be> wrote: > In a discussion of twitter it was pointed out that the checksums of > packages change after publication on CRAN. One example is the Matrix > package version 1.2-12, which was available on CRAN already on nov 17, 2017 > but got a different checksum on nov 20, 2017. This caused issues in eg > easybuilders. > > (see reference here : https://github.com/easybuilders/easybuild- > easyconfigs/pull/6118 ) > > I went through the Matrix SVN repo, and there is no commit whatsoever that > adds the last line in the DESCRIPTION file. This line reads: > > Date/Publication: 2017-11-20 18:57:47 UTC > > I wondered how this happens, and it looks like CRAN adds this > automatically days after the source is available for download. > > This is suboptimal imho as it would technically mean that you can have two > files of the same package version with different checksums. It leads people > to believe packages on CRAN can be changed without bumping the version > number, and technically that's what it boils down to. > > Anyone who knows what's going on there? > > Reference to twitter discussion with Kenneth Hoste about this : > https://twitter.com/kehoste/status/990484417721389056 > > Kind regards > Joris > > -- > Joris Meys > Statistical consultant > > Department of Data Analysis and Mathematical Modelling > Ghent University > Coupure Links 653, B-9000 Gent (Belgium) > > <https://maps.google.com/?q=Coupure+links+653,%C2%A0B-9000+Gent,%C2%A0Belgium&entry=gmail&source=g> > > tel: +32 (0)9 264 61 79 > ----------- > Biowiskundedagen 2017-2018 > http://www.biowiskundedagen.ugent.be/ > > ------------------------------- > Disclaimer : http://helpdesk.ugent.be/e-maildisclaimer.php > -- Joris Meys Statistical consultant Department of Data Analysis and Mathematical Modelling Ghent University Coupure Links 653, B-9000 Gent (Belgium) <https://maps.google.com/?q=Coupure+links+653,%C2%A0B-9000+Gent,%C2%A0Belgium&entry=gmail&source=g> tel: +32 (0)9 264 61 79 ----------- Biowiskundedagen 2017-2018 http://www.biowiskundedagen.ugent.be/ ------------------------------- Disclaimer : http://helpdesk.ugent.be/e-maildisclaimer.php [[alternative HTML version deleted]] ______________________________________________ R-package-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-package-devel
