Improve pryrc

pryrc

@@ -9,11 +9,28 @@ Pry.config.prompt = [
   proc { |obj, nest_level, _| "#{prompt} (#{obj}):#{nest_level} * " }
 ]
 
+if defined?(PryByebug)
+  Pry.commands.alias_command 'c', 'continue'
+  Pry.commands.alias_command 's', 'step'
+  Pry.commands.alias_command 'n', 'next'
+  Pry.commands.alias_command 'f', 'finish'
+end
+
+# Repeat last command with enter
+default_command_set = Pry::Commands.command /^$/, 'repeat last command' do
+  _pry_.run_command Pry.history.to_a.last
+end
+Pry.config.commands.import(default_command_set)
+
 # https://github.com/michaeldv/awesome_print/
 # $ gem install awesome_print
-require 'awesome_print'
-AwesomePrint.defaults = { indent: -2 }
-AwesomePrint.pry!
+begin
+  require 'awesome_print'
+  AwesomePrint.defaults = { indent: -2 }
+  AwesomePrint.pry!
+rescue LoadError
+  puts 'awesome_print not installed'
+end
 
 ## Benchmarking
 # Inspired by <http://stackoverflow.com/questions/123494/whats-your-favourite-irb-trick/123834#123834>.