# File lib/rubygems/commands/sources_command.rb, line 8
 8:   def initialize
 9:     super 'sources',
10:           'Manage the sources and cache file RubyGems uses to search for gems'
11: 
12:     add_option '-a', '--add SOURCE_URI', 'Add source' do |value, options|
13:       options[:add] = value
14:     end
15: 
16:     add_option '-l', '--list', 'List sources' do |value, options|
17:       options[:list] = value
18:     end
19: 
20:     add_option '-r', '--remove SOURCE_URI', 'Remove source' do |value, options|
21:       options[:remove] = value
22:     end
23: 
24:     add_option '-u', '--update', 'Update source cache' do |value, options|
25:       options[:update] = value
26:     end
27: 
28:     add_option '-c', '--clear-all',
29:                'Remove all sources (clear the cache)' do |value, options|
30:       options[:clear_all] = value
31:     end
32:   end

    # File lib/rubygems/commands/sources_command.rb, line 34
34:   def defaults_str
35:     '--list'
36:   end

     # File lib/rubygems/commands/sources_command.rb, line 38
 38:   def execute
 39:     options[:list] = !(options[:add] || options[:remove] || options[:clear_all] || options[:update])
 40: 
 41:     if options[:clear_all] then
 42:       sic = Gem::SourceInfoCache
 43:       remove_cache_file 'user',          sic.user_cache_file
 44:       remove_cache_file 'latest user',   sic.latest_user_cache_file
 45:       remove_cache_file 'system',        sic.system_cache_file
 46:       remove_cache_file 'latest system', sic.latest_system_cache_file
 47:     end
 48: 
 49:     if options[:add] then
 50:       source_uri = options[:add]
 51: 
 52:       sice = Gem::SourceInfoCacheEntry.new nil, nil
 53:       begin
 54:         sice.refresh source_uri, true
 55: 
 56:         Gem::SourceInfoCache.cache_data[source_uri] = sice
 57:         Gem::SourceInfoCache.cache.update
 58:         Gem::SourceInfoCache.cache.flush
 59: 
 60:         Gem.sources << source_uri
 61:         Gem.configuration.write
 62: 
 63:         say "#{source_uri} added to sources"
 64:       rescue URI::Error, ArgumentError
 65:         say "#{source_uri} is not a URI"
 66:       rescue Gem::RemoteFetcher::FetchError => e
 67:         say "Error fetching #{source_uri}:\n\t#{e.message}"
 68:       end
 69:     end
 70: 
 71:     if options[:update] then
 72:       Gem::SourceInfoCache.cache true
 73:       Gem::SourceInfoCache.cache.flush
 74: 
 75:       say "source cache successfully updated"
 76:     end
 77: 
 78:     if options[:remove] then
 79:       source_uri = options[:remove]
 80: 
 81:       unless Gem.sources.include? source_uri then
 82:         say "source #{source_uri} not present in cache"
 83:       else
 84:         begin # HACK figure out how to get the cache w/o update
 85:           Gem::SourceInfoCache.cache
 86:         rescue Gem::RemoteFetcher::FetchError
 87:         end
 88: 
 89:         Gem::SourceInfoCache.cache_data.delete source_uri
 90:         Gem::SourceInfoCache.cache.update
 91:         Gem::SourceInfoCache.cache.flush
 92:         Gem.sources.delete source_uri
 93:         Gem.configuration.write
 94: 
 95:         say "#{source_uri} removed from sources"
 96:       end
 97:     end
 98: 
 99:     if options[:list] then
100:       say "*** CURRENT SOURCES ***"
101:       say
102: 
103:       Gem.sources.each do |source|
104:         say source
105:       end
106:     end
107:   end