Add bin and edit workflow

bin/gems/jekyll-watch-2.2.1/lib/jekyll/commands/watch.rb

@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+module Jekyll
+  module Commands
+    module Watch
+      extend self
+
+      def init_with_program(prog); end
+
+      # Build your jekyll site
+      # Continuously watch if `watch` is set to true in the config.
+      def process(options)
+        Jekyll.logger.log_level = :error if options["quiet"]
+        Jekyll::Watcher.watch(options) if options["watch"]
+      end
+    end
+  end
+end

bin/gems/jekyll-watch-2.2.1/lib/jekyll/watcher.rb

@@ -0,0 +1,137 @@
+# frozen_string_literal: true
+
+require "listen"
+
+module Jekyll
+  module Watcher
+    extend self
+
+    # Public: Continuously watch for file changes and rebuild the site
+    # whenever a change is detected.
+    #
+    # If the optional site argument is populated, that site instance will be
+    # reused and the options Hash ignored. Otherwise, a new site instance will
+    # be instantiated from the options Hash and used.
+    #
+    # options - A Hash containing the site configuration
+    # site    - The current site instance (populated starting with Jekyll 3.2)
+    #           (optional, default: nil)
+    #
+    # Returns nothing.
+    def watch(options, site = nil)
+      ENV["LISTEN_GEM_DEBUGGING"] ||= "1" if options["verbose"]
+
+      site ||= Jekyll::Site.new(options)
+      listener = build_listener(site, options)
+      listener.start
+
+      Jekyll.logger.info "Auto-regeneration:", "enabled for '#{options["source"]}'"
+
+      unless options["serving"]
+        trap("INT") do
+          listener.stop
+          Jekyll.logger.info "", "Halting auto-regeneration."
+          exit 0
+        end
+
+        sleep_forever
+      end
+    rescue ThreadError
+      # You pressed Ctrl-C, oh my!
+    end
+
+    private
+
+    def build_listener(site, options)
+      Listen.to(
+        options["source"],
+        :ignore        => listen_ignore_paths(options),
+        :force_polling => options["force_polling"],
+        &listen_handler(site)
+      )
+    end
+
+    def listen_handler(site)
+      proc do |modified, added, removed|
+        t = Time.now
+        c = modified + added + removed
+        n = c.length
+
+        Jekyll.logger.info "Regenerating:",
+                           "#{n} file(s) changed at #{t.strftime("%Y-%m-%d %H:%M:%S")}"
+
+        c.each { |path| Jekyll.logger.info "", path["#{site.source}/".length..-1] }
+        process(site, t)
+      end
+    end
+
+    def normalize_encoding(obj, desired_encoding)
+      case obj
+      when Array
+        obj.map { |entry| entry.encode!(desired_encoding, entry.encoding) }
+      when String
+        obj.encode!(desired_encoding, obj.encoding)
+      end
+    end
+
+    def custom_excludes(options)
+      Array(options["exclude"]).map { |e| Jekyll.sanitized_path(options["source"], e) }
+    end
+
+    def config_files(options)
+      %w(yml yaml toml).map do |ext|
+        Jekyll.sanitized_path(options["source"], "_config.#{ext}")
+      end
+    end
+
+    def to_exclude(options)
+      [
+        config_files(options),
+        options["destination"],
+        custom_excludes(options),
+      ].flatten
+    end
+
+    # Paths to ignore for the watch option
+    #
+    # options - A Hash of options passed to the command
+    #
+    # Returns a list of relative paths from source that should be ignored
+    def listen_ignore_paths(options)
+      source = Pathname.new(options["source"]).expand_path
+      paths  = to_exclude(options)
+
+      paths.map do |p|
+        absolute_path = Pathname.new(normalize_encoding(p, options["source"].encoding)).expand_path
+        next unless absolute_path.exist?
+
+        begin
+          relative_path = absolute_path.relative_path_from(source).to_s
+          relative_path = File.join(relative_path, "") if absolute_path.directory?
+          unless relative_path.start_with?("../")
+            path_to_ignore = %r!^#{Regexp.escape(relative_path)}!
+            Jekyll.logger.debug "Watcher:", "Ignoring #{path_to_ignore}"
+            path_to_ignore
+          end
+        rescue ArgumentError
+          # Could not find a relative path
+        end
+      end.compact + [%r!^\.jekyll\-metadata!]
+    end
+
+    def sleep_forever
+      loop { sleep 1000 }
+    end
+
+    def process(site, time)
+      begin
+        site.process
+        Jekyll.logger.info "", "...done in #{Time.now - time} seconds."
+      rescue StandardError => e
+        Jekyll.logger.warn "Error:", e.message
+        Jekyll.logger.warn "Error:", "Run jekyll build --trace for more information."
+      end
+      Jekyll.logger.info ""
+    end
+  end
+end