Class: Bundler::RubyGemsGemInstaller

# File 'lib/bundler/rubygems_gem_installer.rb', line 131

def build_jobs
  @jobserver_read_io&.read_nonblock(MAX_JOBS_PER_GEM, @jobserver_tokens)
  acquired_jobs = @jobserver_tokens.empty? ? nil : @jobserver_tokens.size

  acquired_jobs || Bundler.settings[:jobs] || super
rescue IO::WaitReadable, EOFError
  1
end

# File 'lib/bundler/rubygems_gem_installer.rb', line 12

def check_executable_overwrite(filename)
  # Bundler needs to install gems regardless of binstub overwriting
end

# File 'lib/bundler/rubygems_gem_installer.rb', line 188

def connect_to_jobserver
  return unless ENV["MAKEFLAGS"]
  # We append our own --jobserver-auth, so read the last one. Otherwise a
  # parent jobserver's descriptors (e.g. `bundle install` run under
  # `make -j`) would be picked up instead of the pool ParallelInstaller created.
  read_fd, write_fd = ENV["MAKEFLAGS"].scan(/--jobserver-auth=(\d),(\d)/).last

  return unless read_fd && write_fd

  # Pass explicit modes. On POSIX, IO.new detects the descriptor's access
  # mode, but on Windows it can't, so the write end would default to read
  # mode and raise "IOError: not opened for writing" when releasing slots.
  [IO.new(read_fd.to_i, "r", autoclose: false), IO.new(write_fd.to_i, "w", autoclose: false)]
end

# File 'lib/bundler/rubygems_gem_installer.rb', line 77

def ensure_writable_dir(dir)
  super
rescue Gem::FilePermissionError
  # Ignore permission checks in RubyGems. Instead, go on, and try to write
  # for real. We properly handle permission errors when they happen.
  nil
end

# File 'lib/bundler/rubygems_gem_installer.rb', line 182

def gem_checksum
  Checksum.from_gem_package(@package)
end

# File 'lib/bundler/rubygems_gem_installer.rb', line 112

def generate_bin_script(filename, bindir)
  bin_script_path = File.join bindir, formatted_program_filename(filename)

  Gem.open_file_with_lock(bin_script_path) do
    require "fileutils"
    FileUtils.rm_f bin_script_path # prior install may have been --no-wrappers

    File.open(bin_script_path, "wb", 0o755) do |file|
      file.write app_script_text(filename)
      file.chmod(options[:prog_mode] || 0o755)
    end
  end

  verbose bin_script_path

  generate_windows_script filename, bindir
end

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

def generate_plugins
  return unless Gem::Installer.method_defined?(:generate_plugins, false)

  ensure_writable_dir @plugins_dir

  if spec.plugins.empty?
    remove_plugins_for(spec, @plugins_dir)
  else
    regenerate_plugins_for(spec, @plugins_dir)
  end
end

# File 'lib/bundler/rubygems_gem_installer.rb', line 16

def install
  pre_install_checks

  run_pre_install_hooks

  spec.loaded_from = spec_file

  # Completely remove any previous gem files
  strict_rm_rf gem_dir
  strict_rm_rf spec.extension_dir

  SharedHelpers.filesystem_access(gem_dir, :create) do
    FileUtils.mkdir_p gem_dir
  end

  SharedHelpers.filesystem_access(gem_dir, :write) do
    extract_files
  end

  if options[:build_extension] == false
    warn_skipped_extensions
  elsif spec.extensions.any?
    build_extensions
  end
  write_build_info_file
  run_post_build_hooks

  SharedHelpers.filesystem_access(bin_dir, :write) do
    generate_bin
  end

  if options[:install_plugin] == false
    remove_stale_plugins
    warn_skipped_plugins
  else
    generate_plugins
  end

  write_spec

  SharedHelpers.filesystem_access("#{gem_home}/cache", :write) do
    write_cache_file
  end

  say spec.post_install_message unless spec.post_install_message.nil?

  run_post_install_hooks

  spec
end

# File 'lib/bundler/rubygems_gem_installer.rb', line 68

def pre_install_checks
  super
rescue Gem::FilePermissionError
  # Ignore permission checks in RubyGems. Instead, go on, and try to write
  # for real. We properly handle permission errors when they happen.
  nil
end

# File 'lib/bundler/rubygems_gem_installer.rb', line 203

def prepare_extension_build(extension_dir)
  SharedHelpers.filesystem_access(extension_dir, :create) do
    FileUtils.mkdir_p extension_dir
  end
end

# File 'lib/bundler/rubygems_gem_installer.rb', line 174

def spec
  if Bundler.rubygems.provides?("< 3.3.12") # RubyGems implementation rescues and re-raises errors before 3.3.12 and we don't want that
    @package.spec
  else
    super
  end
end

# File 'lib/bundler/rubygems_gem_installer.rb', line 209

def strict_rm_rf(dir)
  return unless File.exist?(dir)
  return if Dir.empty?(dir)

  parent = File.dirname(dir)
  parent_st = File.stat(parent)

  if parent_st.world_writable? && !parent_st.sticky?
    raise InsecureInstallPathError.new(spec.full_name, dir)
  end

  begin
    FileUtils.remove_entry_secure(dir)
  rescue StandardError => e
    raise unless File.exist?(dir)

    raise DirectoryRemovalError.new(e, "Could not delete previous installation of `#{dir}`")
  end
end

# File 'lib/bundler/rubygems_gem_installer.rb', line 97

def warn_skipped_extensions
  return if spec.extensions.empty?

  Bundler.ui.warn "#{spec.full_name} contains native extensions that were not built.\n" \
                  "To build extensions, unset no_build_extension and run `bundle pristine #{spec.name}`."
end

# File 'lib/bundler/rubygems_gem_installer.rb', line 104

def warn_skipped_plugins
  return if spec.plugins.empty?

  Bundler.ui.warn "#{spec.full_name} contains plugins that were not installed.\n" \
                  "To install plugins, unset no_install_plugin and run `bundle pristine #{spec.name}`."
end