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Name	Size	Permission	Date
build_command.rb	3.1 KB	-rw-r--r--	2024-12-04 14:11
cert_command.rb	9.15 KB	-rw-r--r--	2024-12-04 14:11
check_command.rb	2.24 KB	-rw-r--r--	2024-12-04 14:11
cleanup_command.rb	4.59 KB	-rw-r--r--	2024-12-04 14:11
contents_command.rb	4.06 KB	-rw-r--r--	2024-12-04 14:11
dependency_command.rb	5.13 KB	-rw-r--r--	2024-12-04 14:11
environment_command.rb	5.29 KB	-rw-r--r--	2024-12-04 14:11
exec_command.rb	6.8 KB	-rw-r--r--	2024-12-04 14:11
fetch_command.rb	2.51 KB	-rw-r--r--	2024-12-04 14:11
generate_index_command.rb	2.91 KB	-rw-r--r--	2024-12-04 14:11
help_command.rb	10.16 KB	-rw-r--r--	2024-12-04 14:11
info_command.rb	852 B	-rw-r--r--	2024-12-04 14:11
install_command.rb	7.67 KB	-rw-r--r--	2024-12-04 14:11
list_command.rb	1012 B	-rw-r--r--	2024-12-04 14:11
lock_command.rb	2.69 KB	-rw-r--r--	2024-12-04 14:11
mirror_command.rb	627 B	-rw-r--r--	2024-12-04 14:11
open_command.rb	1.92 KB	-rw-r--r--	2024-12-04 14:11
outdated_command.rb	864 B	-rw-r--r--	2024-12-04 14:11
owner_command.rb	3.4 KB	-rw-r--r--	2024-12-04 14:11
pristine_command.rb	6.19 KB	-rw-r--r--	2024-12-04 14:11
push_command.rb	2.56 KB	-rw-r--r--	2024-12-04 14:11
query_command.rb	1.23 KB	-rw-r--r--	2024-12-04 14:11
rdoc_command.rb	2.48 KB	-rw-r--r--	2024-12-04 14:11
search_command.rb	977 B	-rw-r--r--	2024-12-04 14:11
server_command.rb	649 B	-rw-r--r--	2024-12-04 14:11
setup_command.rb	18.02 KB	-rw-r--r--	2024-12-04 14:11
signin_command.rb	896 B	-rw-r--r--	2024-12-04 14:11
signout_command.rb	898 B	-rw-r--r--	2024-12-04 14:11
sources_command.rb	5.75 KB	-rw-r--r--	2024-12-04 14:11
specification_command.rb	3.4 KB	-rw-r--r--	2024-12-04 14:11
stale_command.rb	965 B	-rw-r--r--	2024-12-04 14:11
uninstall_command.rb	5.8 KB	-rw-r--r--	2024-12-04 14:11
unpack_command.rb	4.45 KB	-rw-r--r--	2024-12-04 14:11
update_command.rb	8.87 KB	-rw-r--r--	2024-12-04 14:11
which_command.rb	2.09 KB	-rw-r--r--	2024-12-04 14:11
yank_command.rb	2.34 KB	-rw-r--r--	2024-12-04 14:11

Rename

# frozen_string_literal: true

require_relative "../command"
require_relative "../local_remote_options"
require_relative "../version_option"

class Gem::Commands::DependencyCommand < Gem::Command
  include Gem::LocalRemoteOptions
  include Gem::VersionOption

def initialize
    super "dependency",
          "Show the dependencies of an installed gem",
          :version => Gem::Requirement.default, :domain => :local

add_version_option
    add_platform_option
    add_prerelease_option

add_option("-R", "--[no-]reverse-dependencies",
               "Include reverse dependencies in the output") do
      |value, options|
      options[:reverse_dependencies] = value
    end

add_option("-p", "--pipe",
               "Pipe Format (name --version ver)") do |value, options|
      options[:pipe_format] = value
    end

add_local_remote_options
  end

def arguments # :nodoc:
    "REGEXP        show dependencies for gems whose names start with REGEXP"
  end

def defaults_str # :nodoc:
    "--local --version '#{Gem::Requirement.default}' --no-reverse-dependencies"
  end

def description # :nodoc:
    <<-EOF
The dependency commands lists which other gems a given gem depends on.  For
local gems only the reverse dependencies can be shown (which gems depend on
the named gem).

The dependency list can be displayed in a format suitable for piping for
use with other commands.
    EOF
  end

def usage # :nodoc:
    "#{program_name} REGEXP"
  end

def fetch_remote_specs(name, requirement, prerelease) # :nodoc:
    fetcher = Gem::SpecFetcher.fetcher

specs_type = prerelease ? :complete : :released

ss = if name.nil?
      fetcher.detect(specs_type) { true }
    else
      fetcher.detect(specs_type) do |name_tuple|
        name === name_tuple.name && requirement.satisfied_by?(name_tuple.version)
      end
    end

ss.map {|tuple, source| source.fetch_spec(tuple) }
  end

def fetch_specs(name_pattern, requirement, prerelease) # :nodoc:
    specs = []

if local?
      specs.concat Gem::Specification.stubs.find_all {|spec|
        name_matches = name_pattern ? name_pattern =~ spec.name : true
        version_matches = requirement.satisfied_by?(spec.version)

name_matches && version_matches
      }.map(&:to_spec)
    end

specs.concat fetch_remote_specs name_pattern, requirement, prerelease if remote?

ensure_specs specs

specs.uniq.sort
  end

def display_pipe(specs) # :nodoc:
    specs.each do |spec|
      unless spec.dependencies.empty?
        spec.dependencies.sort_by {|dep| dep.name }.each do |dep|
          say "#{dep.name} --version '#{dep.requirement}'"
        end
      end
    end
  end

def display_readable(specs, reverse) # :nodoc:
    response = String.new

specs.each do |spec|
      response << print_dependencies(spec)
      unless reverse[spec.full_name].empty?
        response << "  Used by\n"
        reverse[spec.full_name].each do |sp, dep|
          response << "    #{sp} (#{dep})\n"
        end
      end
      response << "\n"
    end

say response
  end

def execute
    ensure_local_only_reverse_dependencies

pattern = name_pattern options[:args]
    requirement = Gem::Requirement.new options[:version]

specs = fetch_specs pattern, requirement, options[:prerelease]

reverse = reverse_dependencies specs

if options[:pipe_format]
      display_pipe specs
    else
      display_readable specs, reverse
    end
  end

def ensure_local_only_reverse_dependencies # :nodoc:
    if options[:reverse_dependencies] && remote? && !local?
      alert_error "Only reverse dependencies for local gems are supported."
      terminate_interaction 1
    end
  end

def ensure_specs(specs) # :nodoc:
    return unless specs.empty?

patterns = options[:args].join ","
    say "No gems found matching #{patterns} (#{options[:version]})" if
      Gem.configuration.verbose

terminate_interaction 1
  end

def print_dependencies(spec, level = 0) # :nodoc:
    response = String.new
    response << "  " * level + "Gem #{spec.full_name}\n"
    unless spec.dependencies.empty?
      spec.dependencies.sort_by {|dep| dep.name }.each do |dep|
        response << "  " * level + "  #{dep}\n"
      end
    end
    response
  end

def reverse_dependencies(specs) # :nodoc:
    reverse = Hash.new {|h, k| h[k] = [] }

return reverse unless options[:reverse_dependencies]

specs.each do |spec|
      reverse[spec.full_name] = find_reverse_dependencies spec
    end

reverse
  end

##
  # Returns an Array of [specification, dep] that are satisfied by +spec+.

def find_reverse_dependencies(spec) # :nodoc:
    result = []

Gem::Specification.each do |sp|
      sp.dependencies.each do |dep|
        dep = Gem::Dependency.new(*dep) unless Gem::Dependency === dep

if spec.name == dep.name &&
           dep.requirement.satisfied_by?(spec.version)
          result << [sp.full_name, dep]
        end
      end
    end

result
  end

private

def name_pattern(args)
    return if args.empty?

if args.length == 1 && args.first =~ /\A(.*)(i)?\z/m
      flags = $2 ? Regexp::IGNORECASE : nil
      Regexp.new $1, flags
    else
      /\A#{Regexp.union(*args)}/
    end
  end
end