>> 
>> Can the composite only include the current/latest version, or can someone 
>> educate me as to the value of having multiple versions?
> It's a really good question.  It just seems to be a "habit" to compose 
> multiple children, usually with some restriction on the number of children, 
> e.g., the most recent n children.  But personally, just to make everything 
> faster for the client and less overhead for the download.eclipse.org 
> <http://download.eclipse.org/> server, I would prefer to use a repo with a 
> single child with the most recent version.
> 
> So what prompted everyone to have this habit?
> 
AFAIK, it comes from the simrel process of "making visible" the repository to 
the world (after the quiet / mirroring time). See code comment in  
https://git.eclipse.org/c/simrel/org.eclipse.simrel.tools.git/tree/promoteUtils/makeVisible.sh#n25
 
<https://git.eclipse.org/c/simrel/org.eclipse.simrel.tools.git/tree/promoteUtils/makeVisible.sh#n25>

See also this FAQ entry 
https://wiki.eclipse.org/SimRel/Simultaneous_Release_Cycle_FAQ#Why_do_we_use_composites_anyway.2C_if_there_are_potential_problems_with_them.3F
 
<https://wiki.eclipse.org/SimRel/Simultaneous_Release_Cycle_FAQ#Why_do_we_use_composites_anyway.2C_if_there_are_potential_problems_with_them.3F>

Cheers,

Mikaël Barbero
Team Lead - Release Engineering | Eclipse Foundation
📱 (+33) 642 028 039 | 🐦 @mikbarbero
Eclipse Foundation <http://www.eclipse.org/>: The Platform for Open Innovation 
and Collaboration

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