[tor-bugs] #17015 [Chutney]: chutney should try harder to find a stable/different version of tor

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#17015: chutney should try harder to find a stable/different version of tor
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 Reporter:  teor              |          Owner:  nickm
     Type:  defect            |         Status:  new
 Priority:  normal            |      Milestone:
Component:  Chutney           |        Version:
 Keywords:  SponsorS testing  |  Actual Points:
Parent ID:  #16949            |         Points:
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 Currently, chutney tries to find a stable version of tor under tor-stable
 anywhere in the path, then stops.

 We could:
 * Preserve the old path before test-network.sh modifies it, and use the
 first tor in that path
 * Check for /usr/bin/tor and /usr/local/bin/tor (And maybe /opt ?)
 * use each version in a round-robin fashion (Split to #17014, child of
 #16954)

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/17015>
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