Module: GemIndexDumper

Defined in:
lib/gem-index-dumper.rb

Class Method Summary collapse

Class Method Details

.all_remote_gems ⇒ Object 



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# File 'lib/gem-index-dumper.rb', line 9

def self.all_remote_gems
  Gem::SpecFetcher.new.list(true, true).values.first
end

.dump_gem_digests(name_pattern, version_pattern = nil) ⇒ Object 



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# File 'lib/gem-index-dumper.rb', line 34

def self.dump_gem_digests(name_pattern, version_pattern = nil)
  gems = all_remote_gems.select { |data| name_pattern =~ data[0] }
  gems.sort!
  if version_pattern
    gems = gems.select { |data| version_pattern =~ data[1].to_s }
  else
    # Pick the most recent gems.      
    gems_by_name = {}
    gems.each { |data| gems_by_name[data[0]] = data }
    gems = gems_by_name.values
    gems.sort!
  end
  
  gems.map { |data|
    "#{data[0]} / #{data[2]}   v#{data[1].to_s}   = #{gem_digest(data)}\n"
  }.join
end

.dump_remote_gems(pattern = nil) ⇒ Object 



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# File 'lib/gem-index-dumper.rb', line 13

def self.dump_remote_gems(pattern = nil)
  gems = all_remote_gems
  gems.sort!
  gems.map { |data| "#{data[0]} / #{data[2]}   v#{data[1].to_s}\n" }.join
end

.gem_digest(info) ⇒ Object 



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# File 'lib/gem-index-dumper.rb', line 19

def self.gem_digest(info)
  uri = Gem.sources.first
  spec = Bundler::RemoteSpecification.new(info[0], info[1], info[2], uri)
  gem_file = Tempfile.new 'gem'
  gem_path = gem_file.path
  gem_file.close true
  
  download_path = File.join(gem_path, 'cache')
  FileUtils.mkdir_p download_path
  gem_file = Gem::RemoteFetcher.fetcher.download(spec, uri, gem_path)
  digest = Digest::SHA1.hexdigest File.read(gem_file)
  FileUtils.rm_r gem_path
  digest
end