Add bin and edit workflow

bin/gems/pry-0.15.2/lib/pry/commands/change_prompt.rb

@@ -0,0 +1,51 @@
+# frozen_string_literal: true
+
+class Pry
+  class Command
+    class ChangePrompt < Pry::ClassCommand
+      match 'change-prompt'
+      group 'Input and Output'
+      description 'Change the current prompt.'
+      command_options argument_required: true
+      banner <<-BANNER
+        Usage: change-prompt [OPTIONS] [NAME]
+
+        Change the current prompt.
+      BANNER
+
+      def options(opt)
+        opt.on(:l, :list, 'List the available prompts')
+      end
+
+      def process(prompt)
+        if opts.present?(:l)
+          list_prompts
+        else
+          change_prompt(prompt)
+        end
+      end
+
+      private
+
+      def list_prompts
+        prompts = Pry::Prompt.all.map do |name, prompt|
+          "#{bold(name)}#{red(' (selected)') if pry_instance.prompt == prompt}\n" +
+            prompt.description
+        end
+        output.puts(prompts.join("\n" * 2))
+      end
+
+      def change_prompt(prompt)
+        if Pry::Prompt[prompt]
+          pry_instance.prompt = Pry::Prompt[prompt]
+        else
+          raise Pry::CommandError,
+                "'#{prompt}' isn't a known prompt. Run `change-prompt --list` " \
+                "to see the list of known prompts."
+        end
+      end
+
+      Pry::Commands.add_command(self)
+    end
+  end
+end