Add bin and edit workflow

bin/gems/jekyll-4.4.1/lib/jekyll/plugin_manager.rb

@@ -0,0 +1,123 @@
+# frozen_string_literal: true
+
+module Jekyll
+  class PluginManager
+    attr_reader :site
+
+    # Create an instance of this class.
+    #
+    # site - the instance of Jekyll::Site we're concerned with
+    #
+    # Returns nothing
+    def initialize(site)
+      @site = site
+    end
+
+    # Require all the plugins which are allowed.
+    #
+    # Returns nothing
+    def conscientious_require
+      require_theme_deps if site.theme
+      require_plugin_files
+      require_gems
+      deprecation_checks
+    end
+
+    # Require each of the gem plugins specified.
+    #
+    # Returns nothing.
+    def require_gems
+      Jekyll::External.require_with_graceful_fail(
+        site.gems.select { |plugin| plugin_allowed?(plugin) }
+      )
+    end
+
+    # Require each of the runtime_dependencies specified by the theme's gemspec.
+    #
+    # Returns false only if no dependencies have been specified, otherwise nothing.
+    def require_theme_deps
+      return false unless site.theme.runtime_dependencies
+
+      site.theme.runtime_dependencies.each do |dep|
+        next if dep.name == "jekyll"
+
+        External.require_with_graceful_fail(dep.name) if plugin_allowed?(dep.name)
+      end
+    end
+
+    def self.require_from_bundler
+      if !ENV["JEKYLL_NO_BUNDLER_REQUIRE"] && gemfile_exists?
+        require "bundler"
+
+        Bundler.setup
+        required_gems = Bundler.require(:jekyll_plugins)
+        message = "Required #{required_gems.map(&:name).join(", ")}"
+        Jekyll.logger.debug("PluginManager:", message)
+        ENV["JEKYLL_NO_BUNDLER_REQUIRE"] = "true"
+
+        true
+      else
+        false
+      end
+    end
+
+    # Check for the existence of a Gemfile.
+    #
+    # Returns true if a Gemfile exists in the places bundler will look
+    def self.gemfile_exists?
+      File.file?("Gemfile") || (ENV["BUNDLE_GEMFILE"] && File.file?(ENV["BUNDLE_GEMFILE"]))
+    end
+
+    # Check whether a gem plugin is allowed to be used during this build.
+    #
+    # plugin_name - the name of the plugin
+    #
+    # Returns true if the plugin name is in the whitelist or if the site is not
+    #   in safe mode.
+    def plugin_allowed?(plugin_name)
+      !site.safe || whitelist.include?(plugin_name)
+    end
+
+    # Build an array of allowed plugin gem names.
+    #
+    # Returns an array of strings, each string being the name of a gem name
+    #   that is allowed to be used.
+    def whitelist
+      @whitelist ||= [site.config["whitelist"]].flatten
+    end
+
+    # Require all .rb files if safe mode is off
+    #
+    # Returns nothing.
+    def require_plugin_files
+      unless site.safe
+        plugins_path.each do |plugin_search_path|
+          plugin_files = Utils.safe_glob(plugin_search_path, File.join("**", "*.rb"))
+          Jekyll::External.require_with_graceful_fail(plugin_files)
+        end
+      end
+    end
+
+    # Public: Setup the plugin search path
+    #
+    # Returns an Array of plugin search paths
+    def plugins_path
+      if site.config["plugins_dir"].eql? Jekyll::Configuration::DEFAULTS["plugins_dir"]
+        [site.in_source_dir(site.config["plugins_dir"])]
+      else
+        Array(site.config["plugins_dir"]).map { |d| File.expand_path(d) }
+      end
+    end
+
+    def deprecation_checks
+      pagination_included = (site.config["plugins"] || []).include?("jekyll-paginate") ||
+        defined?(Jekyll::Paginate)
+      if site.config["paginate"] && !pagination_included
+        Jekyll::Deprecator.deprecation_message <<~MSG
+          You appear to have pagination turned on, but you haven't included the `jekyll-paginate`
+          gem. Ensure you have `plugins: [jekyll-paginate]` in your configuration file.
+        MSG
+      end
+    end
+  end
+end