There are multiple possible specifications for this dep.
Updates needed,specs and states for further
resolution of the possible choices.
# File lib/rubygems/resolver.rb, line 357
def resolve_for_multiple needed, specs, states, dep, possible # :nodoc:
# Sort them so that we try the highest versions first.
possible = possible.sort_by do |s|
[s.source, s.version, s.platform == Gem::Platform::RUBY ? -1 : 1]
end
spec, act = activation_request dep, possible
# We may need to try all of +possible+, so we setup state to unwind back
# to current +needed+ and +specs+ so we can try another. This is code is
# what makes conflict resolution possible.
states << State.new(needed.dup, specs, dep, spec, possible, [])
@stats.record_depth states
explain :states, states.map { |s| s.dep }
needed = requests spec, act, needed
specs = Gem::List.prepend specs, act
return needed, specs
end