XMAN Replicator

Path: /opt/alt/ruby32/share/rubygems/rubygems/resolver/molinillo/lib/molinillo/

Name	Size	Rights	Date	Actions
[.]	<DIR>	drwxr-xr-x	2026-04-30 05:09	🔄 🗑️ 🗑️📁 ⬇️ 🔒
[..]	<DIR>	drwxr-xr-x	2026-04-30 05:09	🔄 🗑️ 🗑️📁 ⬇️ 🔒
[delegates]	<DIR>	drwxr-xr-x	2026-04-30 05:09	🔄 🗑️ 🗑️📁 ⬇️ 🔒
[dependency_graph]	<DIR>	drwxr-xr-x	2026-04-30 05:09	🔄 🗑️ 🗑️📁 ⬇️ 🔒
dependency_graph.rb	8,362 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
errors.rb	6,266 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
gem_metadata.rb	139 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
[modules]	<DIR>	drwxr-xr-x	2026-04-30 05:09	🔄 🗑️ 🗑️📁 ⬇️ 🔒
resolution.rb	34,467 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
resolver.rb	1,573 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
state.rb	1,838 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒

View: errors.rb

# frozen_string_literal: true

module Gem::Resolver::Molinillo
  # An error that occurred during the resolution process
  class ResolverError < StandardError; end

  # An error caused by searching for a dependency that is completely unknown,
  # i.e. has no versions available whatsoever.
  class NoSuchDependencyError < ResolverError
    # @return [Object] the dependency that could not be found
    attr_accessor :dependency

    # @return [Array<Object>] the specifications that depended upon {#dependency}
    attr_accessor :required_by

    # Initializes a new error with the given missing dependency.
    # @param [Object] dependency @see {#dependency}
    # @param [Array<Object>] required_by @see {#required_by}
    def initialize(dependency, required_by = [])
      @dependency = dependency
      @required_by = required_by.uniq
      super()
    end

    # The error message for the missing dependency, including the specifications
    # that had this dependency.
    def message
      sources = required_by.map { |r| "`#{r}`" }.join(' and ')
      message = "Unable to find a specification for `#{dependency}`"
      message += " depended upon by #{sources}" unless sources.empty?
      message
    end
  end

  # An error caused by attempting to fulfil a dependency that was circular
  #
  # @note This exception will be thrown if and only if a {Vertex} is added to a
  #   {DependencyGraph} that has a {DependencyGraph::Vertex#path_to?} an
  #   existing {DependencyGraph::Vertex}
  class CircularDependencyError < ResolverError
    # [Set<Object>] the dependencies responsible for causing the error
    attr_reader :dependencies

    # Initializes a new error with the given circular vertices.
    # @param [Array<DependencyGraph::Vertex>] vertices the vertices in the dependency
    #   that caused the error
    def initialize(vertices)
      super "There is a circular dependency between #{vertices.map(&:name).join(' and ')}"
      @dependencies = vertices.map { |vertex| vertex.payload.possibilities.last }.to_set
    end
  end

  # An error caused by conflicts in version
  class VersionConflict < ResolverError
    # @return [{String => Resolution::Conflict}] the conflicts that caused
    #   resolution to fail
    attr_reader :conflicts

    # @return [SpecificationProvider] the specification provider used during
    #   resolution
    attr_reader :specification_provider

    # Initializes a new error with the given version conflicts.
    # @param [{String => Resolution::Conflict}] conflicts see {#conflicts}
    # @param [SpecificationProvider] specification_provider see {#specification_provider}
    def initialize(conflicts, specification_provider)
      pairs = []
      conflicts.values.flat_map(&:requirements).each do |conflicting|
        conflicting.each do |source, conflict_requirements|
          conflict_requirements.each do |c|
            pairs << [c, source]
          end
        end
      end

      super "Unable to satisfy the following requirements:\n\n" \
        "#{pairs.map { |r, d| "- `#{r}` required by `#{d}`" }.join("\n")}"

      @conflicts = conflicts
      @specification_provider = specification_provider
    end

    require_relative 'delegates/specification_provider'
    include Delegates::SpecificationProvider

    # @return [String] An error message that includes requirement trees,
    #   which is much more detailed & customizable than the default message
    # @param [Hash] opts the options to create a message with.
    # @option opts [String] :solver_name The user-facing name of the solver
    # @option opts [String] :possibility_type The generic name of a possibility
    # @option opts [Proc] :reduce_trees A proc that reduced the list of requirement trees
    # @option opts [Proc] :printable_requirement A proc that pretty-prints requirements
    # @option opts [Proc] :additional_message_for_conflict A proc that appends additional
    #   messages for each conflict
    # @option opts [Proc] :version_for_spec A proc that returns the version number for a
    #   possibility
    def message_with_trees(opts = {})
      solver_name = opts.delete(:solver_name) { self.class.name.split('::').first }
      possibility_type = opts.delete(:possibility_type) { 'possibility named' }
      reduce_trees = opts.delete(:reduce_trees) { proc { |trees| trees.uniq.sort_by(&:to_s) } }
      printable_requirement = opts.delete(:printable_requirement) { proc { |req| req.to_s } }
      additional_message_for_conflict = opts.delete(:additional_message_for_conflict) { proc {} }
      version_for_spec = opts.delete(:version_for_spec) { proc(&:to_s) }
      incompatible_version_message_for_conflict = opts.delete(:incompatible_version_message_for_conflict) do
        proc do |name, _conflict|
          %(#{solver_name} could not find compatible versions for #{possibility_type} "#{name}":)
        end
      end

      full_message_for_conflict = opts.delete(:full_message_for_conflict) do
        proc do |name, conflict|
          o = "\n".dup << incompatible_version_message_for_conflict.call(name, conflict) << "\n"
          if conflict.locked_requirement
            o << %(  In snapshot (#{name_for_locking_dependency_source}):\n)
            o << %(    #{printable_requirement.call(conflict.locked_requirement)}\n)
            o << %(\n)
          end
          o << %(  In #{name_for_explicit_dependency_source}:\n)
          trees = reduce_trees.call(conflict.requirement_trees)

          o << trees.map do |tree|
            t = ''.dup
            depth = 2
            tree.each do |req|
              t << '  ' * depth << printable_requirement.call(req)
              unless tree.last == req
                if spec = conflict.activated_by_name[name_for(req)]
                  t << %( was resolved to #{version_for_spec.call(spec)}, which)
                end
                t << %( depends on)
              end
              t << %(\n)
              depth += 1
            end
            t
          end.join("\n")

          additional_message_for_conflict.call(o, name, conflict)

          o
        end
      end

      conflicts.sort.reduce(''.dup) do |o, (name, conflict)|
        o << full_message_for_conflict.call(name, conflict)
      end.strip
    end
  end
end

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View: errors.rb

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