[tor-bugs] #30049 [Core Tor/Tor]: Work out how to test mixed-version chutney networks in Tor's CI

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#30049: Work out how to test mixed-version chutney networks in Tor's CI
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     Reporter:  teor     |      Owner:  (none)
         Type:           |     Status:  new
  enhancement            |
     Priority:  Medium   |  Milestone:  Tor: unspecified
    Component:  Core     |    Version:
  Tor/Tor                |   Keywords:  tor-ci, network-team-
     Severity:  Normal   |  roadmap-2019-Q1Q2-maybe
Actual Points:           |  Parent ID:  #29280
       Points:  2        |   Reviewer:
      Sponsor:           |
  Sponsor19-can          |
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 We need multiple tor versions to run a mixed network with Chutney.

 I don't think we can install multiple tor versions in Chutney's CI,
 because we're using a package manager.

 Maybe we could compile Tor in Tor's CI, *and* install the stable-release
 version of Tor?

 We'd have to set up the tor-stable symlink for the test, too.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/30049>
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