override default Rake application's name

since Rake now allows overriding application name,
use `cap` instead of `rake` when outputting help

.gitignore

@@ -18,3 +18,4 @@ tmp
 .rspec-local
 .ruby-version
 _site
+.rspec

lib/capistrano/application.rb

@@ -3,10 +3,13 @@ module Capistrano
 
     def initialize
       super
-      @name = "cap"
       @rakefiles = %w{capfile Capfile capfile.rb Capfile.rb} << capfile
     end
 
+    def name
+      "cap"
+    end
+
     def run
       Rake.application = self
       super
@@ -18,7 +21,6 @@ module Capistrano
     end
 
     def load_rakefile
-      @name = 'cap'
       super
     end
 

spec/lib/capistrano/application_spec.rb

@@ -7,11 +7,10 @@ describe Capistrano::Application do
   it "provides a --format option which enables the choice of output formatting"
 
   it "identifies itself as cap and not rake" do
-    pending "Waiting for: https://github.com/jimweirich/rake/pull/204"
     out, _ = capture_io do
       flags '--help', '-h'
     end
-    out.should match(/\bcap [ -f capfile ]\b/)
+    out.lines.first.should match(/cap \[-f rakefile\]/)
   end
 
   it "overrides the rake method, but still prints the rake version" do
@@ -37,9 +36,7 @@ describe Capistrano::Application do
     def subject.exit(*args)
       throw(:system_exit, :exit)
     end
-    subject.instance_eval do
-      handle_options
-    end
+    subject.run
     subject.options
   end