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Re: Interpreting package version number

On 2019-01-16, Georgi Naplatanov <gosho@xxxxxxxx> wrote:
> On 1/16/19 1:22 PM, Richard Owlett wrote:
>> I'm running Stretch and have just installed Tcl from repository.
>> Synaptic reports the installed version is 8.6.6+dfsg-1+b1 .
>> The current upstream version is 8.6.9 .
>> I don't understand what "+dfsg-1+b1" is telling me.
>> Where is that numbering scheme described?
> Hi,
> I don't know what "dfsg" is but "b" means BinNMU - Binary Non-Maintainer
> Upload. This usually means that the package is recompiled because of
> changed version of dependency(es).

 “+dfsg.N” and “+ds.N“ are a conventional way of extending a version string,
 when the Debian package's upstream source tarball is actually different from
 the source released upstream. The former is used when upstream's source release
 contains elements that do not satisfy the Debian Free Software Guildelines
 (DFSG) and hence may not be distributed as source in the Debian system, the
 latter (standing for “Debian Source”) is used when the modification are for
 other non-DFSG reasons.

 The changes should be documented in README.source. 

(searched, found, cut, and pasted by yours truly)


> Kind regards
> Georgi