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# frozen_string_literal: true
require_relative "local_remote_options"
require_relative "spec_fetcher"
require_relative "version_option"
require_relative "text"
module Gem::QueryUtils
include Gem::Text
include Gem::LocalRemoteOptions
include Gem::VersionOption
def add_query_options
add_option("-i", "--[no-]installed",
"Check for installed gem") do |value, options|
options[:installed] = value
end
add_option("-I", "Equivalent to --no-installed") do |_value, options|
options[:installed] = false
end
add_version_option command, "for use with --installed"
add_option("-d", "--[no-]details",
"Display detailed information of gem(s)") do |value, options|
options[:details] = value
end
add_option("--[no-]versions",
"Display only gem names") do |value, options|
options[:versions] = value
options[:details] = false unless value
end
add_option("-a", "--all",
"Display all gem versions") do |value, options|
options[:all] = value
end
add_option("-e", "--exact",
"Name of gem(s) to query on matches the",
"provided STRING") do |value, options|
options[:exact] = value
end
add_option("--[no-]prerelease",
"Display prerelease versions") do |value, options|
options[:prerelease] = value
end
add_local_remote_options
end
def defaults_str # :nodoc:
"--local --no-details --versions --no-installed"
end
def execute
gem_names = if args.empty?
[options[:name]]
else
options[:exact] ? args.map {|arg| /\A#{Regexp.escape(arg)}\Z/ } : args.map {|arg| /#{arg}/i }
end
terminate_interaction(check_installed_gems(gem_names)) if check_installed_gems?
gem_names.each {|n| show_gems(n) }
end
private
def check_installed_gems(gem_names)
exit_code = 0
if args.empty? && !gem_name?
alert_error "You must specify a gem name"
exit_code = 4
elsif gem_names.count > 1
alert_error "You must specify only ONE gem!"
exit_code = 4
else
installed = installed?(gem_names.first, options[:version])
installed = !installed unless options[:installed]
say(installed)
exit_code = 1 unless installed
end
exit_code
end
def check_installed_gems?
!options[:installed].nil?
end
def gem_name?
!options[:name].nil?
end
def prerelease
options[:prerelease]
end
def show_prereleases?
prerelease.nil? || prerelease
end
def args
options[:args].to_a
end
def display_header(type)
if (ui.outs.tty? && Gem.configuration.verbose) || both?
say
say "*** #{type} GEMS ***"
say
end
end
# Guts of original execute
def show_gems(name)
show_local_gems(name) if local?
show_remote_gems(name) if remote?
end
def show_local_gems(name, req = Gem::Requirement.default)
display_header("LOCAL")
specs = Gem::Specification.find_all do |s|
name_matches = name ? s.name =~ name : true
version_matches = show_prereleases? || !s.version.prerelease?
name_matches && version_matches
end
spec_tuples = specs.map do |spec|
[spec.name_tuple, spec]
end
output_query_results(spec_tuples)
end
def show_remote_gems(name)
display_header("REMOTE")
fetcher = Gem::SpecFetcher.fetcher
spec_tuples = if name.nil?
fetcher.detect(specs_type) { true }
else
fetcher.detect(specs_type) do |name_tuple|
name === name_tuple.name && options[:version].satisfied_by?(name_tuple.version)
end
end
output_query_results(spec_tuples)
end
def specs_type
if options[:all] || options[:version].specific?
if options[:prerelease]
:complete
else
:released
end
elsif options[:prerelease]
:prerelease
else
:latest
end
end
##
# Check if gem +name+ version +version+ is installed.
def installed?(name, req = Gem::Requirement.default)
Gem::Specification.any? {|s| s.name =~ name && req =~ s.version }
end
def output_query_results(spec_tuples)
output = []
versions = Hash.new {|h,name| h[name] = [] }
spec_tuples.each do |spec_tuple, source|
versions[spec_tuple.name] << [spec_tuple, source]
end
versions = versions.sort_by do |(n,_),_|
n.downcase
end
output_versions output, versions
say output.join(options[:details] ? "\n\n" : "\n")
end
def output_versions(output, versions)
versions.each do |_gem_name, matching_tuples|
matching_tuples = matching_tuples.sort_by {|n,_| n.version }.reverse
platforms = Hash.new {|h,version| h[version] = [] }
matching_tuples.each do |n, _|
platforms[n.version] << n.platform if n.platform
end
seen = {}
matching_tuples.delete_if do |n,_|
if seen[n.version]
true
else
seen[n.version] = true
false
end
end
output << clean_text(make_entry(matching_tuples, platforms))
end
end
def entry_details(entry, detail_tuple, specs, platforms)
return unless options[:details]
name_tuple, spec = detail_tuple
spec = spec.fetch_spec(name_tuple)if spec.respond_to?(:fetch_spec)
entry << "\n"
spec_platforms entry, platforms
spec_authors entry, spec
spec_homepage entry, spec
spec_license entry, spec
spec_loaded_from entry, spec, specs
spec_summary entry, spec
end
def entry_versions(entry, name_tuples, platforms, specs)
return unless options[:versions]
list =
if platforms.empty? || options[:details]
name_tuples.map(&:version).uniq
else
platforms.sort.reverse.map do |version, pls|
out = version.to_s
if options[:domain] == :local
default = specs.any? do |s|
!s.is_a?(Gem::Source) && s.version == version && s.default_gem?
end
out = "default: #{out}" if default
end
if pls != [Gem::Platform::RUBY]
platform_list = [pls.delete(Gem::Platform::RUBY), *pls.sort].compact
out = platform_list.unshift(out).join(" ")
end
out
end
end
entry << " (#{list.join ", "})"
end
def make_entry(entry_tuples, platforms)
detail_tuple = entry_tuples.first
name_tuples, specs = entry_tuples.flatten.partition do |item|
Gem::NameTuple === item
end
entry = [name_tuples.first.name]
entry_versions(entry, name_tuples, platforms, specs)
entry_details(entry, detail_tuple, specs, platforms)
entry.join
end
def spec_authors(entry, spec)
authors = "Author#{spec.authors.length > 1 ? "s" : ""}: ".dup
authors << spec.authors.join(", ")
entry << format_text(authors, 68, 4)
end
def spec_homepage(entry, spec)
return if spec.homepage.nil? || spec.homepage.empty?
entry << "\n" << format_text("Homepage: #{spec.homepage}", 68, 4)
end
def spec_license(entry, spec)
return if spec.license.nil? || spec.license.empty?
licenses = "License#{spec.licenses.length > 1 ? "s" : ""}: ".dup
licenses << spec.licenses.join(", ")
entry << "\n" << format_text(licenses, 68, 4)
end
def spec_loaded_from(entry, spec, specs)
return unless spec.loaded_from
if specs.length == 1
default = spec.default_gem? ? " (default)" : nil
entry << "\n" << " Installed at#{default}: #{spec.base_dir}"
else
label = "Installed at"
specs.each do |s|
version = s.version.to_s
default = ", default" if s.default_gem?
entry << "\n" << " #{label} (#{version}#{default}): #{s.base_dir}"
label = " " * label.length
end
end
end
def spec_platforms(entry, platforms)
non_ruby = platforms.any? do |_, pls|
pls.any? {|pl| pl != Gem::Platform::RUBY }
end
return unless non_ruby
if platforms.length == 1
title = platforms.values.length == 1 ? "Platform" : "Platforms"
entry << " #{title}: #{platforms.values.sort.join(", ")}\n"
else
entry << " Platforms:\n"
sorted_platforms = platforms.sort
sorted_platforms.each do |version, pls|
label = " #{version}: "
data = format_text pls.sort.join(", "), 68, label.length
data[0, label.length] = label
entry << data << "\n"
end
end
end
def spec_summary(entry, spec)
summary = truncate_text(spec.summary, "the summary for #{spec.full_name}")
entry << "\n\n" << format_text(summary, 68, 4)
end
end
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