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require 'rubygems/command'
require 'rubygems/remote_fetcher'
require 'rubygems/source_info_cache'
require 'rubygems/source_info_cache_entry'
class Gem::Commands::SourcesCommand < Gem::Command
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 '-u', '--update', 'Update source cache' do |value, options|
options[:update] = value
end
add_option '-c', '--clear-all',
'Remove all sources (clear the cache)' do |value, options|
options[:clear_all] = value
end
end
def defaults_str
'--list'
end
def execute
options[:list] = !(options[:add] || options[:remove] || options[:clear_all] || options[:update])
if options[:clear_all] then
remove_cache_file("user", Gem::SourceInfoCache.user_cache_file)
remove_cache_file("system", Gem::SourceInfoCache.system_cache_file)
end
if options[:add] then
source_uri = options[:add]
sice = Gem::SourceInfoCacheEntry.new nil, nil
begin
sice.refresh source_uri
Gem::SourceInfoCache.cache_data[source_uri] = sice
Gem::SourceInfoCache.cache.update
Gem::SourceInfoCache.cache.flush
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
say "Error fetching #{source_uri}:\n\t#{e.message}"
end
end
if options[:update] then
Gem::SourceInfoCache.cache.refresh
Gem::SourceInfoCache.cache.flush
say "source cache successfully updated"
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::SourceInfoCache.cache_data.delete source_uri
Gem::SourceInfoCache.cache.update
Gem::SourceInfoCache.cache.flush
Gem.sources.delete source_uri
Gem.configuration.write
say "#{source_uri} removed from sources"
end
end
if options[:list] then
say "*** CURRENT SOURCES ***"
say
Gem.sources.each do |source_uri|
say source_uri
end
end
end
private
def remove_cache_file(desc, fn)
FileUtils.rm_rf fn rescue nil
if ! File.exist?(fn)
say "*** Removed #{desc} source cache ***"
elsif ! File.writable?(fn)
say "*** Unable to remove #{desc} source cache (write protected) ***"
else
say "*** Unable to remove #{desc} source cache ***"
end
end
end
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