Add bin and edit workflow

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

@@ -0,0 +1,75 @@
+# frozen_string_literal: true
+
+require 'stringio'
+
+class Pry
+  class Command
+    class Ri < Pry::ClassCommand
+      match 'ri'
+      group 'Introspection'
+      description 'View ri documentation.'
+
+      banner <<-'BANNER'
+        Usage: ri [spec]
+
+        View ri documentation. Relies on the "rdoc" gem being installed.
+        See also "show-doc" command.
+
+        ri Array#each
+      BANNER
+
+      def process(spec)
+        unless spec
+          return output.puts(
+            "Please provide a class, module, or method name (e.g: ri Array#push)"
+          )
+        end
+
+        # Lazily load RI
+        require 'rdoc/ri/driver'
+
+        unless defined? RDoc::RI::PryDriver
+
+          # Subclass RI so that it formats its output nicely, and uses `lesspipe`.
+          subclass = Class.new(RDoc::RI::Driver) # the hard way.
+
+          subclass.class_eval do
+            def initialize(pager, opts)
+              @pager = pager
+              super opts
+            end
+
+            def page
+              paging_text = StringIO.new
+              yield paging_text
+              @pager.page(paging_text.string)
+            end
+
+            def formatter(_io)
+              if @formatter_klass
+                @formatter_klass.new
+              else
+                RDoc::Markup::ToAnsi.new
+              end
+            end
+          end
+
+          RDoc::RI.const_set :PryDriver, subclass # hook it up!
+        end
+
+        # Spin-up an RI instance.
+        ri = RDoc::RI::PryDriver.new(
+          pry_instance.pager, use_stdout: true, interactive: false
+        )
+
+        begin
+          ri.display_names [spec] # Get the documentation (finally!)
+        rescue RDoc::RI::Driver::NotFoundError => e
+          output.puts "error: '#{e.name}' not found"
+        end
+      end
+    end
+
+    Pry::Commands.add_command(Pry::Command::Ri)
+  end
+end