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Class: Bundler::CompactIndexClient

Relationships & Source Files
Namespace Children
Classes:
Cache, Updater
Exceptions:
Error
Inherits: Object
Defined in: lib/bundler/compact_index_client.rb,
lib/bundler/compact_index_client/cache.rb,
lib/bundler/compact_index_client/updater.rb

Constant Summary

Class Method Summary

Instance Attribute Summary

Instance Method Summary

Constructor Details

.new(directory, fetcher) ⇒ CompactIndexClient

[ GitHub ] 

  


# File 'lib/bundler/compact_index_client.rb', line 26



def initialize(directory, fetcher)
  @directory = Pathname.new(directory)
  @updater = Updater.new(fetcher)
  @cache = Cache.new(@directory)
  @endpoints = Set.new
  @info_checksums_by_name = {}
  @parsed_checksums = false
  @mutex = Mutex.new
  @in_parallel = lambda do |inputs, &blk|
    inputs.map(&blk)
  end
end


  







Class Method Details



  

    .debug  
  

  [ GitHub ]


  

  


# File 'lib/bundler/compact_index_client.rb', line 9



def self.debug
  return unless ENV["DEBUG_COMPACT_INDEX"]
  DEBUG_MUTEX.synchronize { warn("[#{self}] #{yield}") }
end


  







Instance Attribute Details



  

    #directory   (readonly)
  

  [ GitHub ]


  

  


# File 'lib/bundler/compact_index_client.rb', line 19



attr_reader :directory


  








  

    #in_parallel  ⇒ Lambda  (rw)
  



  

    
  





  
Returns:


    
  
  • 
    (Lambda)
—    
    

    A lambda that takes an array of inputs and a block, and maps the inputs with the block in parallel.
    

    
  
    • 





  [ GitHub ]


  

  


# File 'lib/bundler/compact_index_client.rb', line 24



attr_accessor :in_parallel


  







Instance Method Details



  

    #dependencies(names)  
  

  [ GitHub ]


  

  


# File 'lib/bundler/compact_index_client.rb', line 52



def dependencies(names)
  Bundler::CompactIndexClient.debug { "dependencies(#{names})" }
  in_parallel.call(names) do |name|
    update_info(name)
    @cache.dependencies(name).map {|d| d.unshift(name) }
  end.flatten(1)
end


  








  

    #names  
  

  [ GitHub ]


  

  


# File 'lib/bundler/compact_index_client.rb', line 39



def names
  Bundler::CompactIndexClient.debug { "/names" }
  update(@cache.names_path, "names")
  @cache.names
end


  








  

    #spec(name, version, platform = nil)  
  

  [ GitHub ]


  

  


# File 'lib/bundler/compact_index_client.rb', line 60



def spec(name, version, platform = nil)
  Bundler::CompactIndexClient.debug { "spec(name = #{name}, version = #{version}, platform = #{platform})" }
  update_info(name)
  @cache.specific_dependency(name, version, platform)
end


  








  

    #synchronize   (private)
  

  [ GitHub ]


  

  


# File 'lib/bundler/compact_index_client.rb', line 105



def synchronize
  @mutex.synchronize { yield }
end


  








  

    #update(local_path, remote_path)   (private)
  

  [ GitHub ]


  

  


# File 'lib/bundler/compact_index_client.rb', line 76



def update(local_path, remote_path)
  Bundler::CompactIndexClient.debug { "update(#{local_path}, #{remote_path})" }
  unless synchronize { @endpoints.add?(remote_path) }
    Bundler::CompactIndexClient.debug { "already fetched #{remote_path}" }
    return
  end
  @updater.update(local_path, url(remote_path))
end


  








  

    #update_and_parse_checksums!  
  

  [ GitHub ]


  

  


# File 'lib/bundler/compact_index_client.rb', line 66



def update_and_parse_checksums!
  Bundler::CompactIndexClient.debug { "update_and_parse_checksums!" }
  return @info_checksums_by_name if @parsed_checksums
  update(@cache.versions_path, "versions")
  @info_checksums_by_name = @cache.checksums
  @parsed_checksums = true
end


  








  

    #update_info(name)   (private)
  

  [ GitHub ]


  

  


# File 'lib/bundler/compact_index_client.rb', line 85



def update_info(name)
  Bundler::CompactIndexClient.debug { "update_info(#{name})" }
  path = @cache.info_path(name)
  checksum = @updater.checksum_for_file(path)
  unless existing = @info_checksums_by_name[name]
    Bundler::CompactIndexClient.debug { "skipping updating info for #{name} since it is missing from versions" }
    return
  end
  if checksum == existing
    Bundler::CompactIndexClient.debug { "skipping updating info for #{name} since the versions checksum matches the local checksum" }
    return
  end
  Bundler::CompactIndexClient.debug { "updating info for #{name} since the versions checksum #{existing} != the local checksum #{checksum}" }
  update(path, "info/#{name}")
end


  








  

    #url(path)   (private)
  

  [ GitHub ]


  

  


# File 'lib/bundler/compact_index_client.rb', line 101



def url(path)
  path
end


  








  

    #versions  
  

  [ GitHub ]


  

  


# File 'lib/bundler/compact_index_client.rb', line 45



def versions
  Bundler::CompactIndexClient.debug { "/versions" }
  update(@cache.versions_path, "versions")
  versions, @info_checksums_by_name = @cache.versions
  versions
end