Class: Gel::Catalog

Inherits:
Object
  • Object
show all
Defined in:
lib/gel/catalog.rb

Defined Under Namespace

Modules: Common Classes: CompactIndex, DependencyIndex, LegacyIndex

Constant Summary collapse

UPDATE_CONCURRENCY = 
8
VARIANT_GEMS = 
%w(libv8)

Instance Method Summary collapse

Constructor Details

#initialize(uri, httpool: Gel::Httpool.new, work_pool:, cache: ENV["GEL_CACHE"] || "~/.cache/gel", initial_gems: []) ⇒ Catalog 



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# File 'lib/gel/catalog.rb', line 14

def initialize(uri, httpool: Gel::Httpool.new, work_pool:, cache: ENV["GEL_CACHE"] || "~/.cache/gel", initial_gems: [])
  @uri = normalize_uri(uri)
  @httpool = httpool
  @work_pool = work_pool
  @cache = cache
  @initial_gems = initial_gems

  @indexes = [
    :compact_index,
    :dependency_index,
    :legacy_index,
  ]
end

Instance Method Details

#cached_gem(name, version) ⇒ Object 



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# File 'lib/gel/catalog.rb', line 66

def cached_gem(name, version)
  path = cache_path(name, version)
  return path if File.exist?(path)
end

#compact_index ⇒ Object 



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# File 'lib/gel/catalog.rb', line 39

def compact_index
  @compact_index ||= Gel::Catalog::CompactIndex.new(@uri, uri_identifier, httpool: @httpool, work_pool: @work_pool, cache: @cache)
end

#dependency_index ⇒ Object 



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# File 'lib/gel/catalog.rb', line 43

def dependency_index
  @dependency_index ||= Gel::Catalog::DependencyIndex.new(self, @uri, uri_identifier, httpool: @httpool, work_pool: @work_pool, cache: @cache)
end

#download_gem(name, version) ⇒ Object 



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# File 'lib/gel/catalog.rb', line 71

def download_gem(name, version)
  path = cache_path(name, version)
  return path if File.exist?(path)

  name, version = guess_version(name, version)

  response = http_get("/gems/#{name}-#{version}.gem")
  FileUtils.mkdir_p(cache_dir) unless Dir.exist?(cache_dir)
  File.open(path, "wb") do |f|
    f.write(response.body)
  end
  path
end

#gem_info(name) ⇒ Object 



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# File 'lib/gel/catalog.rb', line 55

def gem_info(name)
  index.gem_info(name)
rescue Net::HTTPExceptions
  if @indexes.size > 1
    @indexes.shift
    retry
  else
    raise
  end
end

#guess_version(name, version) ⇒ Object 



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# File 'lib/gel/catalog.rb', line 86

def guess_version(name, version)
  if VARIANT_GEMS.include?(name)
    [name, "#{version}-#{platform_specific_version}"]
  else
    [name, version]
  end
end

#index ⇒ Object 



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# File 'lib/gel/catalog.rb', line 51

def index
  send(@indexes.first)
end

#inspect ⇒ Object 



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# File 'lib/gel/catalog.rb', line 98

def inspect
  "#<#{self.class} #{to_s.inspect}>"
end

#legacy_index ⇒ Object 



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# File 'lib/gel/catalog.rb', line 47

def legacy_index
  @legacy_index ||= Gel::Catalog::LegacyIndex.new(@uri, uri_identifier, httpool: @httpool, work_pool: @work_pool, cache: @cache)
end

#platform_specific_version ⇒ Object 



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# File 'lib/gel/catalog.rb', line 94

def platform_specific_version
  Gel::Support::GemPlatform.new(RbConfig::CONFIG["arch"])
end

#prepare ⇒ Object 



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# File 'lib/gel/catalog.rb', line 28

def prepare
  index.prepare(@initial_gems)
rescue Net::HTTPExceptions
  if @indexes.size > 1
    @indexes.shift
    retry
  else
    raise
  end
end

#to_s ⇒ Object 



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# File 'lib/gel/catalog.rb', line 102

def to_s
  @uri.to_s
end