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require 'fileutils'
require 'rubygems/command'
require 'rubygems/remote_fetcher'
require 'rubygems/source_info_cache'
require 'rubygems/spec_fetcher'
require 'rubygems/local_remote_options'
class Gem::Commands::SourcesCommand < Gem::Command
include Gem::LocalRemoteOptions
def initialize
super 'sources',
'Manage the sources and cache file RubyGems uses to search for gems'
add_option '-a', '--add SOURCE_URI', 'Add source' do |value, options|
options[:add] = value
end
add_option '-l', '--list', 'List sources' do |value, options|
options[:list] = value
end
add_option '-r', '--remove SOURCE_URI', 'Remove source' do |value, options|
options[:remove] = value
end
add_option '-c', '--clear-all',
'Remove all sources (clear the cache)' do |value, options|
options[:clear_all] = value
end
add_option '-u', '--update', 'Update source cache' do |value, options|
options[:update] = value
end
add_proxy_option
end
def defaults_str
'--list'
end
def execute
options[:list] = !(options[:add] ||
options[:clear_all] ||
options[:remove] ||
options[:update])
if options[:clear_all] then
path = Gem::SpecFetcher.fetcher.dir
FileUtils.rm_rf path
if not File.exist?(path) then
say "*** Removed specs cache ***"
elsif not File.writable?(path) then
say "*** Unable to remove source cache (write protected) ***"
else
say "*** Unable to remove source cache ***"
end
sic = Gem::SourceInfoCache
remove_cache_file 'user', sic.user_cache_file
remove_cache_file 'latest user', sic.latest_user_cache_file
remove_cache_file 'system', sic.system_cache_file
remove_cache_file 'latest system', sic.latest_system_cache_file
end
if options[:add] then
source_uri = options[:add]
uri = URI.parse source_uri
begin
Gem::SpecFetcher.fetcher.load_specs uri, 'specs'
Gem.sources << source_uri
Gem.configuration.write
say "#{source_uri} added to sources"
rescue URI::Error, ArgumentError
say "#{source_uri} is not a URI"
rescue Gem::RemoteFetcher::FetchError => e
yaml_uri = uri + 'yaml'
gem_repo = Gem::RemoteFetcher.fetcher.fetch_size yaml_uri rescue false
if e.uri =~ /specs\.#{Regexp.escape Gem.marshal_version}\.gz$/ and
gem_repo then
alert_warning <<-EOF
RubyGems 1.2+ index not found for:
\t#{source_uri}
Will cause RubyGems to revert to legacy indexes, degrading performance.
EOF
say "#{source_uri} added to sources"
else
say "Error fetching #{source_uri}:\n\t#{e.message}"
end
end
end
if options[:remove] then
source_uri = options[:remove]
unless Gem.sources.include? source_uri then
say "source #{source_uri} not present in cache"
else
Gem.sources.delete source_uri
Gem.configuration.write
say "#{source_uri} removed from sources"
end
end
if options[:update] then
fetcher = Gem::SpecFetcher.fetcher
if fetcher.legacy_repos.empty? then
Gem.sources.each do |update_uri|
update_uri = URI.parse update_uri
fetcher.load_specs update_uri, 'specs'
fetcher.load_specs update_uri, 'latest_specs'
end
else
Gem::SourceInfoCache.cache true
Gem::SourceInfoCache.cache.flush
end
say "source cache successfully updated"
end
if options[:list] then
say "*** CURRENT SOURCES ***"
say
Gem.sources.each do |source|
say source
end
end
end
private
def remove_cache_file(desc, path)
FileUtils.rm_rf path
if not File.exist?(path) then
say "*** Removed #{desc} source cache ***"
elsif not File.writable?(path) then
say "*** Unable to remove #{desc} source cache (write protected) ***"
else
say "*** Unable to remove #{desc} source cache ***"
end
end
end
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