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require 'rubygems/command'
require 'rubygems/indexer'
##
# Generates a index files for use as a gem server.
#
# See `gem help generate_index`
class Gem::Commands::GenerateIndexCommand < Gem::Command
def initialize
super 'generate_index',
'Generates the index files for a gem server directory',
:directory => '.', :build_legacy => true, :build_modern => true
add_option '-d', '--directory=DIRNAME',
'repository base dir containing gems subdir' do |dir, options|
options[:directory] = File.expand_path dir
end
add_option '--[no-]legacy',
'Generate indexes for RubyGems older than',
'1.2.0' do |value, options|
unless options[:build_modern] or value then
raise OptionParser::InvalidOption, 'no indicies will be built'
end
options[:build_legacy] = value
end
add_option '--[no-]modern',
'Generate indexes for RubyGems newer',
'than 1.2.0' do |value, options|
unless options[:build_legacy] or value then
raise OptionParser::InvalidOption, 'no indicies will be built'
end
options[:build_modern] = value
end
add_option '--update',
'Update modern indexes with gems added',
'since the last update' do |value, options|
options[:update] = value
end
add_option :RSS, '--rss-gems-host=GEM_HOST',
'Host name where gems are served from,',
'used for GUID and enclosure values' do |value, options|
options[:rss_gems_host] = value
end
add_option :RSS, '--rss-host=HOST',
'Host name for more gems information,',
'used for RSS feed link' do |value, options|
options[:rss_host] = value
end
add_option :RSS, '--rss-title=TITLE',
'Set title for RSS feed' do |value, options|
options[:rss_title] = value
end
end
def defaults_str # :nodoc:
"--directory . --legacy --modern"
end
def description # :nodoc:
<<-EOF
The generate_index command creates a set of indexes for serving gems
statically. The command expects a 'gems' directory under the path given to
the --directory option. The given directory will be the directory you serve
as the gem repository.
For `gem generate_index --directory /path/to/repo`, expose /path/to/repo via
your HTTP server configuration (not /path/to/repo/gems).
When done, it will generate a set of files like this:
gems/*.gem # .gem files you want to
# index
specs.<version>.gz # specs index
latest_specs.<version>.gz # latest specs index
prerelease_specs.<version>.gz # prerelease specs index
quick/Marshal.<version>/<gemname>.gemspec.rz # Marshal quick index file
# these files support legacy RubyGems
quick/index
quick/index.rz # quick index manifest
quick/<gemname>.gemspec.rz # legacy YAML quick index
# file
Marshal.<version>
Marshal.<version>.Z # Marshal full index
yaml
yaml.Z # legacy YAML full index
The .Z and .rz extension files are compressed with the inflate algorithm.
The Marshal version number comes from ruby's Marshal::MAJOR_VERSION and
Marshal::MINOR_VERSION constants. It is used to ensure compatibility.
The yaml indexes exist for legacy RubyGems clients and fallback in case of
Marshal version changes.
If --rss-host and --rss-gem-host are given an RSS feed will be generated at
index.rss containing gems released in the last two days.
EOF
end
def execute
if options[:update] and
(options[:rss_host] or options[:rss_gems_host]) then
alert_error '--update not compatible with RSS generation'
terminate_interaction 1
end
if not File.exist?(options[:directory]) or
not File.directory?(options[:directory]) then
alert_error "unknown directory name #{directory}."
terminate_interaction 1
else
indexer = Gem::Indexer.new options.delete(:directory), options
if options[:update] then
indexer.update_index
else
indexer.generate_index
end
end
end
end
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