method
version_conflict_message
v2_6_3 -
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Class: Resolver
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version_conflict_message(e)
private
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# File lib/bundler/resolver.rb, line 302 def version_conflict_message(e) e.message_with_trees( :solver_name => "Bundler", :possibility_type => "gem", :reduce_trees => lambda do |trees| # called first, because we want to reduce the amount of work required to find maximal empty sets trees = trees.uniq {|t| t.flatten.map {|dep| [dep.name, dep.requirement] } } # bail out if tree size is too big for Array#combination to make any sense return trees if trees.size > 15 maximal = 1.upto(trees.size).map do |size| trees.map(&:last).flatten(1).combination(size).to_a end.flatten(1).select do |deps| Bundler::VersionRanges.empty?(*Bundler::VersionRanges.for_many(deps.map(&:requirement))) end.min_by(&:size) trees.reject! {|t| !maximal.include?(t.last) } if maximal trees = trees.sort_by {|t| t.flatten.map(&:to_s) } trees.uniq! {|t| t.flatten.map {|dep| [dep.name, dep.requirement] } } trees.sort_by {|t| t.reverse.map(&:name) } end, :printable_requirement => lambda {|req| SharedHelpers.pretty_dependency(req) }, :additional_message_for_conflict => lambda do |o, name, conflict| if name == "bundler" o << %(\n Current Bundler version:\n bundler (#{Bundler::VERSION})) other_bundler_required = !conflict.requirement.requirement.satisfied_by?(Gem::Version.new Bundler::VERSION) end if name == "bundler" && other_bundler_required o << "\n" o << "This Gemfile requires a different version of Bundler.\n" o << "Perhaps you need to update Bundler by running `gem install bundler`?\n" end if conflict.locked_requirement o << "\n" o << %(Running `bundle update` will rebuild your snapshot from scratch, using only\n) o << %(the gems in your Gemfile, which may resolve the conflict.\n) elsif !conflict.existing o << "\n" relevant_sources = if conflict.requirement.source [conflict.requirement.source] elsif conflict.requirement.all_sources conflict.requirement.all_sources elsif @lockfile_uses_separate_rubygems_sources # every conflict should have an explicit group of sources when we # enforce strict pinning raise "no source set for #{conflict}" else [] end.compact.map(&:to_s).uniq.sort o << "Could not find gem '#{SharedHelpers.pretty_dependency(conflict.requirement)}'" if conflict.requirement_trees.first.size > 1 o << ", which is required by " o << "gem '#{SharedHelpers.pretty_dependency(conflict.requirement_trees.first[-2])}'," end o << " " o << if relevant_sources.empty? "in any of the sources.\n" else "in any of the relevant sources:\n #{relevant_sources * "\n "}\n" end end end, :version_for_spec => lambda {|spec| spec.version } ) end