[Cython] Differing Cython-0.14.1.tar.gz files

Ryan Schmidt ryandesign at macports.org
Mon Mar 7 08:11:25 CET 2011


On Mar 7, 2011, at 00:54, Stefan Behnel wrote:
> Ryan Schmidt, 06.03.2011 23:12:
>> There are two different files called Cython-0.14.1.tar.gz -- one in http://www.cython.org/release/ and a different one in  http://pypi.python.org/packages/source/C/Cython/:
> 
> Intersting. Do you mean "different" as in "different content" (i.e. sources etc.), or just as in "md5sum gives different hashes"?

Different content.


>> Why don't you release a version of your software as a single distfile
>> that is identical on all servers?
> 
> Well, I don't think there is a reason for that, simply because I doubt that it's being done intentionally. I guess it just lacks a process.
> 
> In any case, I doubt that there are any differences between the tar.gz files, except for file modification times and potentially the creation time of the C sources. The build process is deterministic.

It looks to me like the two distfiles were made from two different git revisions, a couple hours apart. The diff between the two unpacked directories is almost 15,000 lines long. See our ticket:

https://trac.macports.org/ticket/28682#comment:5





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