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| Dir : //proc/self/root/opt/alt/ruby18/lib64/ruby/site_ruby/1.8/rubygems/commands/query_command.rb |
require 'rubygems/command'
require 'rubygems/local_remote_options'
require 'rubygems/spec_fetcher'
require 'rubygems/version_option'
require 'rubygems/text'
class Gem::Commands::QueryCommand < Gem::Command
include Gem::Text
include Gem::LocalRemoteOptions
include Gem::VersionOption
def initialize(name = 'query',
summary = 'Query gem information in local or remote repositories')
super name, summary,
:name => //, :domain => :local, :details => false, :versions => true,
:installed => false, :version => Gem::Requirement.default
add_option('-i', '--[no-]installed',
'Check for installed gem') do |value, options|
options[:installed] = value
end
add_version_option command, "for use with --installed"
add_option('-n', '--name-matches REGEXP',
'Name of gem(s) to query on matches the',
'provided REGEXP') do |value, options|
options[:name] = /#{value}/i
end
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( '--[no-]prerelease',
'Display prerelease versions') do |value, options|
options[:prerelease] = value
end
add_local_remote_options
end
def defaults_str # :nodoc:
"--local --name-matches // --no-details --versions --no-installed"
end
def execute
exit_code = 0
name = options[:name]
prerelease = options[:prerelease]
if options[:installed] then
if name.source.empty? then
alert_error "You must specify a gem name"
exit_code |= 4
elsif installed? name, options[:version] then
say "true"
else
say "false"
exit_code |= 1
end
terminate_interaction exit_code
end
req = Gem::Requirement.default
# TODO: deprecate for real
dep = Gem::Deprecate.skip_during { Gem::Dependency.new name, req }
if local? then
if prerelease and not both? then
alert_warning "prereleases are always shown locally"
end
if ui.outs.tty? or both? then
say
say "*** LOCAL GEMS ***"
say
end
specs = Gem::Specification.find_all { |s|
s.name =~ name and req =~ s.version
}
spec_tuples = specs.map do |spec|
[[spec.name, spec.version, spec.original_platform, spec], :local]
end
output_query_results spec_tuples
end
if remote? then
if ui.outs.tty? or both? then
say
say "*** REMOTE GEMS ***"
say
end
all = options[:all]
fetcher = Gem::SpecFetcher.fetcher
spec_tuples = fetcher.find_matching dep, all, false, prerelease
spec_tuples += fetcher.find_matching dep, false, false, true if
prerelease and all
output_query_results spec_tuples
end
end
private
##
# Check if gem +name+ version +version+ is installed.
def installed?(name, req = Gem::Requirement.default)
Gem::Specification.any? { |s| s.name =~ name and 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_uri|
versions[spec_tuple.first] << [spec_tuple, source_uri]
end
versions = versions.sort_by do |(name,_),_|
name.downcase
end
versions.each do |gem_name, matching_tuples|
matching_tuples = matching_tuples.sort_by do |(_, version,_),_|
version
end.reverse
platforms = Hash.new { |h,version| h[version] = [] }
matching_tuples.map do |(_, version, platform,_),_|
platforms[version] << platform if platform
end
seen = {}
matching_tuples.delete_if do |(_, version,_),_|
if seen[version] then
true
else
seen[version] = true
false
end
end
entry = gem_name.dup
if options[:versions] then
list = if platforms.empty? or options[:details] then
matching_tuples.map { |(_, version,_),_| version }.uniq
else
platforms.sort.reverse.map do |version, pls|
if pls == [Gem::Platform::RUBY] then
version
else
ruby = pls.delete Gem::Platform::RUBY
platform_list = [ruby, *pls.sort].compact
"#{version} #{platform_list.join ' '}"
end
end
end.join ', '
entry << " (#{list})"
end
if options[:details] then
detail_tuple = matching_tuples.first
spec = if detail_tuple.first.length == 4 then
detail_tuple.first.last
else
uri = URI.parse detail_tuple.last
Gem::SpecFetcher.fetcher.fetch_spec detail_tuple.first, uri
end
entry << "\n"
non_ruby = platforms.any? do |_, pls|
pls.any? { |pl| pl != Gem::Platform::RUBY }
end
if non_ruby then
if platforms.length == 1 then
title = platforms.values.length == 1 ? 'Platform' : 'Platforms'
entry << " #{title}: #{platforms.values.sort.join ', '}\n"
else
entry << " Platforms:\n"
platforms.sort_by do |version,|
version
end.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
authors = "Author#{spec.authors.length > 1 ? 's' : ''}: "
authors << spec.authors.join(', ')
entry << format_text(authors, 68, 4)
if spec.rubyforge_project and not spec.rubyforge_project.empty? then
rubyforge = "Rubyforge: http://rubyforge.org/projects/#{spec.rubyforge_project}"
entry << "\n" << format_text(rubyforge, 68, 4)
end
if spec.homepage and not spec.homepage.empty? then
entry << "\n" << format_text("Homepage: #{spec.homepage}", 68, 4)
end
if spec.license and not spec.license.empty? then
licenses = "License#{spec.licenses.length > 1 ? 's' : ''}: "
licenses << spec.licenses.join(', ')
entry << "\n" << format_text(licenses, 68, 4)
end
if spec.loaded_from then
if matching_tuples.length == 1 then
loaded_from = File.dirname File.dirname(spec.loaded_from)
entry << "\n" << " Installed at: #{loaded_from}"
else
label = 'Installed at'
matching_tuples.each do |(_,version,_,s),|
loaded_from = File.dirname File.dirname(s.loaded_from)
entry << "\n" << " #{label} (#{version}): #{loaded_from}"
label = ' ' * label.length
end
end
end
entry << "\n\n" << format_text(spec.summary, 68, 4)
end
output << entry
end
say output.join(options[:details] ? "\n\n" : "\n")
end
end