Pierre-Yves David <pierre-yves.david@octobus.net> [Fri, 21 Dec 2018 13:14:59 +0800] rev 4311
evolve: detect unresolved conflict during evolve --continue (issue5966)
Evolve --continue was ignoring unresolved conflict, proceeding with its
operation without any check. This is now fixed.
This test case was built and formalized by Matt Harbison and Anton Shestakov.