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/ proc / thread-self / root / opt / alt / ruby32 / share / gems / gems / bundler-2.4.19 / lib / bundler / plugin /

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index.rb

# frozen_string_literal: true

module Bundler
  # Manages which plugins are installed and their sources. This also is supposed to map
  # which plugin does what (currently the features are not implemented so this class is
  # now a stub class).
  module Plugin
    class Index
      class CommandConflict < PluginError
        def initialize(plugin, commands)
          msg = "Command(s) `#{commands.join("`, `")}` declared by #{plugin} are already registered."
          super msg
        end
      end

class SourceConflict < PluginError
        def initialize(plugin, sources)
          msg = "Source(s) `#{sources.join("`, `")}` declared by #{plugin} are already registered."
          super msg
        end
      end

attr_reader :commands

def initialize
        @plugin_paths = {}
        @commands = {}
        @sources = {}
        @hooks = {}
        @load_paths = {}

begin
          load_index(global_index_file, true)
        rescue GenericSystemCallError
          # no need to fail when on a read-only FS, for example
          nil
        end
        load_index(local_index_file) if SharedHelpers.in_bundle?
      end

# This function is to be called when a new plugin is installed. This
      # function shall add the functions of the plugin to existing maps and also
      # the name to source location.
      #
      # @param [String] name of the plugin to be registered
      # @param [String] path where the plugin is installed
      # @param [Array<String>] load_paths for the plugin
      # @param [Array<String>] commands that are handled by the plugin
      # @param [Array<String>] sources that are handled by the plugin
      def register_plugin(name, path, load_paths, commands, sources, hooks)
        old_commands = @commands.dup

common = commands & @commands.keys
        raise CommandConflict.new(name, common) unless common.empty?
        commands.each {|c| @commands[c] = name }

common = sources & @sources.keys
        raise SourceConflict.new(name, common) unless common.empty?
        sources.each {|k| @sources[k] = name }

hooks.each do |event|
          event_hooks = (@hooks[event] ||= []) << name
          event_hooks.uniq!
        end

@plugin_paths[name] = path
        @load_paths[name] = load_paths
        save_index
      rescue StandardError
        @commands = old_commands
        raise
      end

def unregister_plugin(name)
        @commands.delete_if {|_, v| v == name }
        @sources.delete_if {|_, v| v == name }
        @hooks.each do |hook, names|
          names.delete(name)
          @hooks.delete(hook) if names.empty?
        end
        @plugin_paths.delete(name)
        @load_paths.delete(name)
        save_index
      end

# Path of default index file
      def index_file
        Plugin.root.join("index")
      end

# Path where the global index file is stored
      def global_index_file
        Plugin.global_root.join("index")
      end

# Path where the local index file is stored
      def local_index_file
        Plugin.local_root.join("index")
      end

def plugin_path(name)
        Pathname.new @plugin_paths[name]
      end

def load_paths(name)
        @load_paths[name]
      end

# Fetch the name of plugin handling the command
      def command_plugin(command)
        @commands[command]
      end

def installed?(name)
        @plugin_paths[name]
      end

def installed_plugins
        @plugin_paths.keys
      end

def plugin_commands(plugin)
        @commands.find_all {|_, n| n == plugin }.map(&:first)
      end

def source?(source)
        @sources.key? source
      end

def source_plugin(name)
        @sources[name]
      end

# Returns the list of plugin names handling the passed event
      def hook_plugins(event)
        @hooks[event] || []
      end

private

# Reads the index file from the directory and initializes the instance
      # variables.
      #
      # It skips the sources if the second param is true
      # @param [Pathname] index file path
      # @param [Boolean] is the index file global index
      def load_index(index_file, global = false)
        SharedHelpers.filesystem_access(index_file, :read) do |index_f|
          valid_file = index_f&.exist? && !index_f.size.zero?
          break unless valid_file

data = index_f.read

require_relative "../yaml_serializer"
          index = YAMLSerializer.load(data)

@commands.merge!(index["commands"])
          @hooks.merge!(index["hooks"])
          @load_paths.merge!(index["load_paths"])
          @plugin_paths.merge!(index["plugin_paths"])
          @sources.merge!(index["sources"]) unless global
        end
      end

# Should be called when any of the instance variables change. Stores the
      # instance variables in YAML format. (The instance variables are supposed
      # to be only String key value pairs)
      def save_index
        index = {
          "commands" => @commands,
          "hooks" => @hooks,
          "load_paths" => @load_paths,
          "plugin_paths" => @plugin_paths,
          "sources" => @sources,
        }

require_relative "../yaml_serializer"
        SharedHelpers.filesystem_access(index_file) do |index_f|
          FileUtils.mkdir_p(index_f.dirname)
          File.open(index_f, "w") {|f| f.puts YAMLSerializer.dump(index) }
        end
      end
    end
  end
end

Name	Type	Size	Owner/Group	Permission	Last Modified	Actions
.	dir	-	root/linksafe	drwxr-xr-x	2024-08-29 05:00:35
..	dir	-	root/linksafe	drwxr-xr-x	2024-08-29 05:00:35
api	dir	-	root/linksafe	drwxr-xr-x	2024-08-29 05:00:35
installer	dir	-	root/linksafe	drwxr-xr-x	2024-08-29 05:00:35
api.rb	text/x-ruby	2.83 KB	root/linksafe	-rw-r--r--	2024-08-12 04:02:22
dsl.rb	text/x-ruby	1.7 KB	root/linksafe	-rw-r--r--	2024-08-12 04:02:22
events.rb	text/x-ruby	2.07 KB	root/linksafe	-rw-r--r--	2024-08-12 04:02:22
index.rb	text/x-ruby	5.36 KB	root/linksafe	-rw-r--r--	2024-08-12 04:02:22
installer.rb	text/x-ruby	3.52 KB	root/linksafe	-rw-r--r--	2024-08-12 04:02:22
source_list.rb	text/x-ruby	833 B	root/linksafe	-rw-r--r--	2024-08-12 04:02:22