зеркало из https://github.com/github/ruby.git
486 строки
13 KiB
Ruby
486 строки
13 KiB
Ruby
require 'rubygems/user_interaction'
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class Gem::SpecificationPolicy
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include Gem::UserInteraction
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VALID_NAME_PATTERN = /\A[a-zA-Z0-9\.\-\_]+\z/.freeze # :nodoc:
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SPECIAL_CHARACTERS = /\A[#{Regexp.escape('.-_')}]+/.freeze # :nodoc:
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VALID_URI_PATTERN = %r{\Ahttps?:\/\/([^\s:@]+:[^\s:@]*@)?[A-Za-z\d\-]+(\.[A-Za-z\d\-]+)+\.?(:\d{1,5})?([\/?]\S*)?\z}.freeze # :nodoc:
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METADATA_LINK_KEYS = %w[
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bug_tracker_uri
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changelog_uri
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documentation_uri
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homepage_uri
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mailing_list_uri
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source_code_uri
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wiki_uri
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funding_uri
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].freeze # :nodoc:
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def initialize(specification)
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@warnings = 0
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@specification = specification
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end
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##
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# If set to true, run packaging-specific checks, as well.
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attr_accessor :packaging
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##
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# Does a sanity check on the specification.
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#
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# Raises InvalidSpecificationException if the spec does not pass the
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# checks.
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#
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# It also performs some validations that do not raise but print warning
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# messages instead.
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def validate(strict = false)
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validate_required!
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validate_optional(strict) if packaging || strict
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true
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end
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##
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# Does a sanity check on the specification.
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#
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# Raises InvalidSpecificationException if the spec does not pass the
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# checks.
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#
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# Only runs checks that are considered necessary for the specification to be
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# functional.
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def validate_required!
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validate_nil_attributes
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validate_rubygems_version
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validate_required_attributes
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validate_name
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validate_require_paths
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@specification.keep_only_files_and_directories
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validate_non_files
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validate_self_inclusion_in_files_list
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validate_specification_version
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validate_platform
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validate_array_attributes
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validate_authors_field
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validate_metadata
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validate_licenses_length
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validate_lazy_metadata
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validate_duplicate_dependencies
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end
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def validate_optional(strict)
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validate_licenses
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validate_permissions
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validate_values
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validate_dependencies
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validate_extensions
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validate_removed_attributes
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if @warnings > 0
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if strict
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error "specification has warnings"
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else
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alert_warning help_text
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end
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end
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end
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##
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# Implementation for Specification#validate_metadata
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def validate_metadata
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metadata = @specification.metadata
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unless Hash === metadata
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error 'metadata must be a hash'
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end
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metadata.each do |key, value|
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if !key.kind_of?(String)
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error "metadata keys must be a String"
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end
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if key.size > 128
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error "metadata key too large (#{key.size} > 128)"
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end
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if !value.kind_of?(String)
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error "metadata values must be a String"
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end
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if value.size > 1024
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error "metadata value too large (#{value.size} > 1024)"
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end
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if METADATA_LINK_KEYS.include? key
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if value !~ VALID_URI_PATTERN
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error "metadata['#{key}'] has invalid link: #{value.inspect}"
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end
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end
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end
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end
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##
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# Checks that no duplicate dependencies are specified.
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def validate_duplicate_dependencies # :nodoc:
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# NOTE: see REFACTOR note in Gem::Dependency about types - this might be brittle
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seen = Gem::Dependency::TYPES.inject({}) {|types, type| types.merge({ type => {}}) }
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error_messages = []
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@specification.dependencies.each do |dep|
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if prev = seen[dep.type][dep.name]
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error_messages << <<-MESSAGE
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duplicate dependency on #{dep}, (#{prev.requirement}) use:
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add_#{dep.type}_dependency '#{dep.name}', '#{dep.requirement}', '#{prev.requirement}'
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MESSAGE
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end
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seen[dep.type][dep.name] = dep
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end
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if error_messages.any?
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error error_messages.join
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end
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end
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##
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# Checks that dependencies use requirements as we recommend. Warnings are
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# issued when dependencies are open-ended or overly strict for semantic
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# versioning.
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def validate_dependencies # :nodoc:
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warning_messages = []
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@specification.dependencies.each do |dep|
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prerelease_dep = dep.requirements_list.any? do |req|
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Gem::Requirement.new(req).prerelease?
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end
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warning_messages << "prerelease dependency on #{dep} is not recommended" if
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prerelease_dep && !@specification.version.prerelease?
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open_ended = dep.requirement.requirements.all? do |op, version|
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not version.prerelease? and (op == '>' or op == '>=')
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end
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if open_ended
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op, dep_version = dep.requirement.requirements.first
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segments = dep_version.segments
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base = segments.first 2
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recommendation = if (op == '>' || op == '>=') && segments == [0]
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" use a bounded requirement, such as '~> x.y'"
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else
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bugfix = if op == '>'
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", '> #{dep_version}'"
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elsif op == '>=' and base != segments
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", '>= #{dep_version}'"
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end
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" if #{dep.name} is semantically versioned, use:\n" \
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" add_#{dep.type}_dependency '#{dep.name}', '~> #{base.join '.'}'#{bugfix}"
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end
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warning_messages << ["open-ended dependency on #{dep} is not recommended", recommendation].join("\n") + "\n"
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end
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end
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if warning_messages.any?
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warning_messages.each {|warning_message| warning warning_message }
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end
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end
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##
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# Issues a warning for each file to be packaged which is world-readable.
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#
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# Implementation for Specification#validate_permissions
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def validate_permissions
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return if Gem.win_platform?
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@specification.files.each do |file|
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next unless File.file?(file)
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next if File.stat(file).mode & 0444 == 0444
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warning "#{file} is not world-readable"
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end
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@specification.executables.each do |name|
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exec = File.join @specification.bindir, name
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next unless File.file?(exec)
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next if File.stat(exec).executable?
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warning "#{exec} is not executable"
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end
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end
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private
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def validate_nil_attributes
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nil_attributes = Gem::Specification.non_nil_attributes.select do |attrname|
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@specification.instance_variable_get("@#{attrname}").nil?
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end
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return if nil_attributes.empty?
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error "#{nil_attributes.join ', '} must not be nil"
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end
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def validate_rubygems_version
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return unless packaging
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rubygems_version = @specification.rubygems_version
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return if rubygems_version == Gem::VERSION
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error "expected RubyGems version #{Gem::VERSION}, was #{rubygems_version}"
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end
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def validate_required_attributes
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Gem::Specification.required_attributes.each do |symbol|
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unless @specification.send symbol
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error "missing value for attribute #{symbol}"
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end
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end
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end
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def validate_name
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name = @specification.name
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if !name.is_a?(String)
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error "invalid value for attribute name: \"#{name.inspect}\" must be a string"
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elsif name !~ /[a-zA-Z]/
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error "invalid value for attribute name: #{name.dump} must include at least one letter"
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elsif name !~ VALID_NAME_PATTERN
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error "invalid value for attribute name: #{name.dump} can only include letters, numbers, dashes, and underscores"
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elsif name =~ SPECIAL_CHARACTERS
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error "invalid value for attribute name: #{name.dump} can not begin with a period, dash, or underscore"
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end
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end
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def validate_require_paths
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return unless @specification.raw_require_paths.empty?
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error 'specification must have at least one require_path'
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end
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def validate_non_files
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return unless packaging
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non_files = @specification.files.reject {|x| File.file?(x) || File.symlink?(x) }
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unless non_files.empty?
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error "[\"#{non_files.join "\", \""}\"] are not files"
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end
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end
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def validate_self_inclusion_in_files_list
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file_name = @specification.file_name
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return unless @specification.files.include?(file_name)
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error "#{@specification.full_name} contains itself (#{file_name}), check your files list"
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end
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def validate_specification_version
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return if @specification.specification_version.is_a?(Integer)
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error 'specification_version must be an Integer (did you mean version?)'
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end
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def validate_platform
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platform = @specification.platform
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case platform
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when Gem::Platform, Gem::Platform::RUBY # ok
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else
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error "invalid platform #{platform.inspect}, see Gem::Platform"
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end
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end
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def validate_array_attributes
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Gem::Specification.array_attributes.each do |field|
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validate_array_attribute(field)
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end
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end
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def validate_array_attribute(field)
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val = @specification.send(field)
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klass = case field
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when :dependencies then
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Gem::Dependency
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else
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String
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end
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unless Array === val and val.all? {|x| x.kind_of?(klass) }
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error "#{field} must be an Array of #{klass}"
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end
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end
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def validate_authors_field
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return unless @specification.authors.empty?
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error "authors may not be empty"
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end
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def validate_licenses_length
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licenses = @specification.licenses
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licenses.each do |license|
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if license.length > 64
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error "each license must be 64 characters or less"
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end
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end
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end
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def validate_licenses
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licenses = @specification.licenses
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licenses.each do |license|
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if !Gem::Licenses.match?(license)
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suggestions = Gem::Licenses.suggestions(license)
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message = <<-WARNING
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license value '#{license}' is invalid. Use a license identifier from
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http://spdx.org/licenses or '#{Gem::Licenses::NONSTANDARD}' for a nonstandard license.
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WARNING
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message += "Did you mean #{suggestions.map {|s| "'#{s}'" }.join(', ')}?\n" unless suggestions.nil?
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warning(message)
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end
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end
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warning <<-WARNING if licenses.empty?
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licenses is empty, but is recommended. Use a license identifier from
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http://spdx.org/licenses or '#{Gem::Licenses::NONSTANDARD}' for a nonstandard license.
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WARNING
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end
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LAZY = '"FIxxxXME" or "TOxxxDO"'.gsub(/xxx/, '')
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LAZY_PATTERN = /FI XME|TO DO/x.freeze
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HOMEPAGE_URI_PATTERN = /\A[a-z][a-z\d+.-]*:/i.freeze
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def validate_lazy_metadata
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unless @specification.authors.grep(LAZY_PATTERN).empty?
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error "#{LAZY} is not an author"
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end
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unless Array(@specification.email).grep(LAZY_PATTERN).empty?
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error "#{LAZY} is not an email"
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end
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if @specification.description =~ LAZY_PATTERN
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error "#{LAZY} is not a description"
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end
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if @specification.summary =~ LAZY_PATTERN
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error "#{LAZY} is not a summary"
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end
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homepage = @specification.homepage
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# Make sure a homepage is valid HTTP/HTTPS URI
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if homepage and not homepage.empty?
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require 'uri'
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begin
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homepage_uri = URI.parse(homepage)
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unless [URI::HTTP, URI::HTTPS].member? homepage_uri.class
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error "\"#{homepage}\" is not a valid HTTP URI"
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end
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rescue URI::InvalidURIError
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error "\"#{homepage}\" is not a valid HTTP URI"
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end
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end
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end
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def validate_values
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%w[author homepage summary files].each do |attribute|
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validate_attribute_present(attribute)
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end
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if @specification.description == @specification.summary
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warning "description and summary are identical"
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end
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# TODO: raise at some given date
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warning "deprecated autorequire specified" if @specification.autorequire
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@specification.executables.each do |executable|
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validate_shebang_line_in(executable)
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end
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@specification.files.select {|f| File.symlink?(f) }.each do |file|
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warning "#{file} is a symlink, which is not supported on all platforms"
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end
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end
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def validate_attribute_present(attribute)
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value = @specification.send attribute
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warning("no #{attribute} specified") if value.nil? || value.empty?
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end
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def validate_shebang_line_in(executable)
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executable_path = File.join(@specification.bindir, executable)
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return if File.read(executable_path, 2) == '#!'
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warning "#{executable_path} is missing #! line"
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end
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def validate_removed_attributes # :nodoc:
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@specification.removed_method_calls.each do |attr|
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warning("#{attr} is deprecated and ignored. Please remove this from your gemspec to ensure that your gem continues to build in the future.")
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end
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end
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def validate_extensions # :nodoc:
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require_relative 'ext'
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builder = Gem::Ext::Builder.new(@specification)
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rake_extension = @specification.extensions.any? {|s| builder.builder_for(s) == Gem::Ext::RakeBuilder }
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rake_dependency = @specification.dependencies.any? {|d| d.name == 'rake' }
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warning <<-WARNING if rake_extension && !rake_dependency
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You have specified rake based extension, but rake is not added as dependency. It is recommended to add rake as a dependency in gemspec since there's no guarantee rake will be already installed.
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WARNING
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end
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def warning(statement) # :nodoc:
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@warnings += 1
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alert_warning statement
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end
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def error(statement) # :nodoc:
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raise Gem::InvalidSpecificationException, statement
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ensure
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alert_warning help_text
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end
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def help_text # :nodoc:
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"See https://guides.rubygems.org/specification-reference/ for help"
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end
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end
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