[tor-bugs] #20564 [Metrics]: Add Jenkins configuration for running metrics-lib's unit tests and producing a .jar file

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#20564: Add Jenkins configuration for running metrics-lib's unit tests and
producing a .jar file
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 Reporter:  karsten      |          Owner:
     Type:  enhancement  |         Status:  new
 Priority:  Medium       |      Milestone:
Component:  Metrics      |        Version:
 Severity:  Normal       |     Resolution:
 Keywords:               |  Actual Points:
Parent ID:               |         Points:
 Reviewer:               |        Sponsor:
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Comment (by karsten):

 weasel, hiro, and I talked a bit about this in #tor-dev.  The short
 summary is that there are various issues with the solutions above.

 What we could do is always build the latest release of metrics-lib, or
 even HEAD, and use that in code bases like CollecTor.  And if that breaks
 the build, because CollecTor doesn't work with the latest release or
 commit of metrics-lib, we'll learn that we need to fix that in the near
 future.  After all, it's not that Jenkins builds packages for production,
 it's there to spot problems.  I'm inclined to just try this and revisit
 this discussion in case it doesn't work for us at all.

 See also the tor-debian-release-source job for comparison.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/20564#comment:6>
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