added new 'alias_command' and 'desc' commands to CommandBase; also made it so show_method comamnd without parameters does a show_method on __method__

.gitignore

@@ -4,4 +4,5 @@ Makefile
 *.def
 doc/
 pkg/
+coverage/
 .yardoc/

Rakefile

@@ -37,6 +37,12 @@ task :show_version do
   puts "Pry version: #{Pry::VERSION}"
 end
 
+desc "run pry"
+task :pry do
+  require "#{direc}/lib/pry.rb"
+  Pry.start
+end
+
 namespace :ruby do
   spec = Gem::Specification.new do |s|
     apply_spec_defaults(s)        

lib/pry/command_base.rb

@@ -83,6 +83,29 @@ class Pry
         imported_hash = Hash[klass.commands.select { |k, v| names.include?(k) }]
         commands.merge!(imported_hash)
       end
+
+      # Create an alias for a command.
+      # @param [String] new_command The alias name.
+      # @param [String] orig_command The original command name.
+      # @example
+      #   class MyCommands < Pry::CommandBase
+      #     alias_command "help_alias", "help"
+      def alias_command(new_command_name, orig_command_name, desc=nil)
+        commands[new_command_name] = commands[orig_command_name].dup
+        commands[new_command_name][:description] = desc if desc
+      end
+
+      # Set the description for a command (replacing the old
+      # description.)
+      # @param [String] name The command name.
+      # @param [String] description The command description.
+      # @example
+      #   class MyCommands < Pry::CommandBase
+      #     desc "help", "help description"
+      #   end
+      def desc(name, description)
+        commands[name][:description] = description
+      end
     end
     
     command "help", "This menu." do |cmd|

lib/pry/commands.rb

@@ -76,12 +76,14 @@ class Pry
     end
 
     command "show_method", "Show sourcecode for method <methname>." do |meth_name|
-      doc = target.eval("method(:#{meth_name})").source
+      meth_name = target.eval("__method__").to_s if !meth_name
+      puts "blah #{meth_name.to_s}"
+      doc = target.eval("method(\"#{meth_name}\")").source
       output.puts doc
     end
 
     command "show_imethod", "Show sourcecode for instance method <methname>." do |meth_name|
-      doc = target.eval("instance_method(:#{meth_name})").source
+      doc = target.eval("instance_method(#{meth_name})").source
       output.puts doc
     end
 

lib/pry/pry_class.rb

@@ -85,8 +85,6 @@ class Pry
   def self.reset_defaults
     @input = Readline
     @output = $stdout
-
-    # FIXME
     @commands = Pry::Commands
     @prompt = DEFAULT_PROMPT
     @print = DEFAULT_PRINT

lib/pry/version.rb

@@ -1,3 +1,3 @@
 class Pry
-  VERSION = "0.4.1"
+  VERSION = "0.4.2pre1"
 end