class Solve::Errors::NoSolutionError
Attributes
The artifact for which there are conflicting dependencies @return [Array<String>] The “most constrained” artifacts
Constraints that eliminate all versions of an artifact, e.g. you ask for mysql >= 2.0.0 but only 1.0.0 exists. @return [Array<String>] Invalid constraints as strings
Artifacts that don't exist at any version but are required for a valid solution @return [Array<String>] Missing artifact names
A demand that has conflicting dependencies @return [String] the unsatisfiable demand
Public Class Methods
@param [#to_s] message @option causes [Array<String>] :missing_artifacts ([]) @option causes [Array<String>] :constraints_excluding_all_artifacts ([]) @option causes [#to_s] :unsatisfiable_demand (nil) @option causes [Array<String>] :artifacts_with_no_satisfactory_version ([])
# File lib/solve/errors.rb, line 38 def initialize(message = nil, causes = {}) super(message) @message = message @missing_artifacts = causes[:missing_artifacts] || [] @constraints_excluding_all_artifacts = causes[:constraints_excluding_all_artifacts] || [] @unsatisfiable_demand = causes[:unsatisfiable_demand] || nil @artifacts_with_no_satisfactory_version = causes[:artifacts_with_no_satisfactory_version] || [] end
Public Instance Methods
# File lib/solve/errors.rb, line 47 def to_s s = "" s << "#{@message}\n" s << "Missing artifacts: #{missing_artifacts.join(",")}\n" unless missing_artifacts.empty? unless constraints_excluding_all_artifacts.empty? pretty = constraints_excluding_all_artifacts.map { |constraint| "(#{constraint[0]} #{constraint[1]})" }.join(",") s << "Constraints that match no available version: #{pretty}\n" end s << "Demand that cannot be met: #{unsatisfiable_demand}\n" if unsatisfiable_demand unless artifacts_with_no_satisfactory_version.empty? s << "Artifacts for which there are conflicting dependencies: #{artifacts_with_no_satisfactory_version.join(",")}" end s end