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Direktori : /opt/alt/ruby31/share/gems/gems/bundler-2.3.27/lib/bundler/ |
Current File : //opt/alt/ruby31/share/gems/gems/bundler-2.3.27/lib/bundler/resolver.rb |
# frozen_string_literal: true module Bundler class Resolver require_relative "vendored_molinillo" require_relative "resolver/base" require_relative "resolver/spec_group" include GemHelpers def initialize(source_requirements, base, gem_version_promoter, additional_base_requirements, platforms) @source_requirements = source_requirements @base = Resolver::Base.new(base, additional_base_requirements) @resolver = Molinillo::Resolver.new(self, self) @results_for = {} @search_for = {} @platforms = platforms @resolving_only_for_ruby = platforms == [Gem::Platform::RUBY] @gem_version_promoter = gem_version_promoter end def start(requirements, exclude_specs: []) @metadata_requirements, regular_requirements = requirements.partition {|dep| dep.name.end_with?("\0") } exclude_specs.each do |spec| remove_from_candidates(spec) end requirements.each {|dep| prerelease_specified[dep.name] ||= dep.prerelease? } verify_gemfile_dependencies_are_found!(requirements) result = @resolver.resolve(requirements). map(&:payload). reject {|sg| sg.name.end_with?("\0") }. map(&:to_specs). flatten SpecSet.new(SpecSet.new(result).for(regular_requirements, false, @platforms)) rescue Molinillo::VersionConflict => e conflicts = e.conflicts deps_to_unlock = conflicts.values.inject([]) do |deps, conflict| deps |= conflict.requirement_trees.flatten.map {|req| base_requirements[req.name] }.compact end if deps_to_unlock.any? @base.unlock_deps(deps_to_unlock) reset_spec_cache retry end message = version_conflict_message(e) raise VersionConflict.new(conflicts.keys.uniq, message) rescue Molinillo::CircularDependencyError => e names = e.dependencies.sort_by(&:name).map {|d| "gem '#{d.name}'" } raise CyclicDependencyError, "Your bundle requires gems that depend" \ " on each other, creating an infinite loop. Please remove" \ " #{names.count > 1 ? "either " : ""}#{names.join(" or ")}" \ " and try again." end include Molinillo::UI # Conveys debug information to the user. # # @param [Integer] depth the current depth of the resolution process. # @return [void] def debug(depth = 0) return unless debug? debug_info = yield debug_info = debug_info.inspect unless debug_info.is_a?(String) puts debug_info.split("\n").map {|s| depth == 0 ? "BUNDLER: #{s}" : "BUNDLER(#{depth}): #{s}" } end def debug? return @debug_mode if defined?(@debug_mode) @debug_mode = ENV["BUNDLER_DEBUG_RESOLVER"] || ENV["BUNDLER_DEBUG_RESOLVER_TREE"] || ENV["DEBUG_RESOLVER"] || ENV["DEBUG_RESOLVER_TREE"] || false end def before_resolution Bundler.ui.info "Resolving dependencies...", debug? end def after_resolution Bundler.ui.info "" end def indicate_progress Bundler.ui.info ".", false unless debug? end include Molinillo::SpecificationProvider def dependencies_for(specification) specification.dependencies_for_activated_platforms end def search_for(dependency) @search_for[dependency] ||= begin name = dependency.name locked_results = @base[name].select {|spec| requirement_satisfied_by?(dependency, nil, spec) } locked_requirement = base_requirements[name] results = results_for(dependency) + locked_results results = results.select {|spec| requirement_satisfied_by?(locked_requirement, nil, spec) } if locked_requirement dep_platforms = dependency.gem_platforms(@platforms) @gem_version_promoter.sort_versions(dependency, results).group_by(&:version).reduce([]) do |groups, (_, specs)| relevant_platforms = dep_platforms.select {|platform| specs.any? {|spec| spec.match_platform(platform) } } next groups unless relevant_platforms.any? ruby_specs = select_best_platform_match(specs, Gem::Platform::RUBY) if ruby_specs.any? spec_group_ruby = SpecGroup.new(ruby_specs, [Gem::Platform::RUBY]) spec_group_ruby.force_ruby_platform = dependency.force_ruby_platform groups << spec_group_ruby end next groups if @resolving_only_for_ruby || dependency.force_ruby_platform platform_specs = relevant_platforms.flat_map {|platform| select_best_platform_match(specs, platform) } next groups if platform_specs == ruby_specs spec_group = SpecGroup.new(platform_specs, relevant_platforms) groups << spec_group groups end end end def index_for(dependency) source_for(dependency.name).specs end def source_for(name) @source_requirements[name] || @source_requirements[:default] end def results_for(dependency) @results_for[dependency] ||= index_for(dependency).search(dependency) end def name_for(dependency) dependency.name end def name_for_explicit_dependency_source Bundler.default_gemfile.basename.to_s rescue StandardError "Gemfile" end def requirement_satisfied_by?(requirement, activated, spec) requirement.matches_spec?(spec) || spec.source.is_a?(Source::Gemspec) end def sort_dependencies(dependencies, activated, conflicts) dependencies.sort_by do |dependency| name = name_for(dependency) vertex = activated.vertex_named(name) [ @base[name].any? ? 0 : 1, vertex.payload ? 0 : 1, vertex.root? ? 0 : 1, amount_constrained(dependency), conflicts[name] ? 0 : 1, vertex.payload ? 0 : search_for(dependency).count, ] end end private def base_requirements @base.base_requirements end def prerelease_specified @gem_version_promoter.prerelease_specified end def remove_from_candidates(spec) @base.delete(spec) @results_for.keys.each do |dep| next unless dep.name == spec.name @results_for[dep].reject {|s| s.name == spec.name && s.version == spec.version } end reset_spec_cache end def reset_spec_cache @search_for = {} @gem_version_promoter.reset end # returns an integer \in (-\infty, 0] # a number closer to 0 means the dependency is less constraining # # dependencies w/ 0 or 1 possibilities (ignoring version requirements) # are given very negative values, so they _always_ sort first, # before dependencies that are unconstrained def amount_constrained(dependency) @amount_constrained ||= {} @amount_constrained[dependency.name] ||= if (base = @base[dependency.name]) && !base.empty? dependency.requirement.satisfied_by?(base.first.version) ? 0 : 1 else all = index_for(dependency).search(dependency.name).size if all <= 1 all - 1_000_000 else search = search_for(dependency) search = prerelease_specified[dependency.name] ? search.count : search.count {|s| !s.version.prerelease? } search - all end end end def verify_gemfile_dependencies_are_found!(requirements) requirements.map! do |requirement| name = requirement.name next requirement if name == "bundler" next if requirement.gem_platforms(@platforms).empty? next requirement unless search_for(requirement).empty? next unless requirement.current_platform? raise GemNotFound, gem_not_found_message(name, requirement, source_for(name)) end.compact! end def gem_not_found_message(name, requirement, source, extra_message = "") specs = source.specs.search(name).sort_by {|s| [s.version, s.platform.to_s] } matching_part = name requirement_label = SharedHelpers.pretty_dependency(requirement) cache_message = begin " or in gems cached in #{Bundler.settings.app_cache_path}" if Bundler.app_cache.exist? rescue GemfileNotFound nil end specs_matching_requirement = specs.select {| spec| requirement.matches_spec?(spec) } if specs_matching_requirement.any? specs = specs_matching_requirement matching_part = requirement_label platforms = requirement.gem_platforms(@platforms) platform_label = platforms.size == 1 ? "platform '#{platforms.first}" : "platforms '#{platforms.join("', '")}" requirement_label = "#{requirement_label}' with #{platform_label}" end message = String.new("Could not find gem '#{requirement_label}'#{extra_message} in #{source}#{cache_message}.\n") if specs.any? message << "\nThe source contains the following gems matching '#{matching_part}':\n" message << specs.map {|s| " * #{s.full_name}" }.join("\n") end message end def version_conflict_message(e) # only show essential conflicts, if possible conflicts = e.conflicts.dup if conflicts["bundler"] conflicts.replace("bundler" => conflicts["bundler"]) else conflicts.delete_if do |_name, conflict| deps = conflict.requirement_trees.map(&:last).flatten(1) !Bundler::VersionRanges.empty?(*Bundler::VersionRanges.for_many(deps.map(&:requirement))) end end e = Molinillo::VersionConflict.new(conflicts, e.specification_provider) unless conflicts.empty? e.message_with_trees( :full_message_for_conflict => lambda do |name, conflict| trees = conflict.requirement_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 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.sort_by! {|t| t.reverse.map(&:name) } end if trees.size > 1 || name == "bundler" o = if name.end_with?("\0") String.new("Bundler found conflicting requirements for the #{name} version:") else String.new("Bundler could not find compatible versions for gem \"#{name}\":") end o << %(\n) o << %( In #{name_for_explicit_dependency_source}:\n) o << trees.map do |tree| t = "".dup depth = 2 base_tree = tree.first base_tree_name = base_tree.name if base_tree_name.end_with?("\0") t = nil else tree.each do |req| t << " " * depth << SharedHelpers.pretty_dependency(req) unless tree.last == req if spec = conflict.activated_by_name[req.name] t << %( was resolved to #{spec.version}, which) end t << %( depends on) end t << %(\n) depth += 1 end end t end.compact.join("\n") else o = String.new end if name == "bundler" o << %(\n Current Bundler version:\n bundler (#{Bundler::VERSION})) conflict_dependency = conflict.requirement conflict_requirement = conflict_dependency.requirement other_bundler_required = !conflict_requirement.satisfied_by?(Gem::Version.new(Bundler::VERSION)) if other_bundler_required o << "\n\n" candidate_specs = source_for(:default_bundler).specs.search(conflict_dependency) if candidate_specs.any? target_version = candidate_specs.last.version new_command = [File.basename($PROGRAM_NAME), "_#{target_version}_", *ARGV].join(" ") o << "Your bundle requires a different version of Bundler than the one you're running.\n" o << "Install the necessary version with `gem install bundler:#{target_version}` and rerun bundler using `#{new_command}`\n" else o << "Your bundle requires a different version of Bundler than the one you're running, and that version could not be found.\n" end end elsif name.end_with?("\0") o << %(\n Current #{name} version:\n #{SharedHelpers.pretty_dependency(@metadata_requirements.find {|req| req.name == name })}\n\n) elsif !conflict.existing o << "\n" relevant_source = conflict.requirement.source || source_for(name) extra_message = if trees.first.size > 1 ", which is required by gem '#{SharedHelpers.pretty_dependency(trees.first[-2])}'," else "" end o << gem_not_found_message(name, conflict.requirement, relevant_source, extra_message) end o end ) end end end