Make space trimming consistent for all task arguments. Fixes #260

Author: grzuy

lib/rake/application.rb

@@ -172,7 +172,7 @@ def parse_task_string(string) # :nodoc:
       args = []
 
       begin
-        /((?:[^\\,]|\\.)*?)\s*(?:,\s*(.*))?$/ =~ remaining_args
+        /\s*((?:[^\\,]|\\.)*?)\s*(?:,\s*(.*))?$/ =~ remaining_args
 
         remaining_args = $2
         args << $1.gsub(/\\(.)/, '\1')

test/test_rake_task_argument_parsing.rb

@@ -32,8 +32,8 @@ def test_two_arguments
     assert_equal ["one", "two"], args
   end
 
-  def test_can_handle_spaces_between_args
-    name, args = @app.parse_task_string("name[one, two,\tthree , \tfour]")
+  def test_can_handle_spaces_between_all_args
+    name, args = @app.parse_task_string("name[ one , two ,\tthree , \tfour ]")
     assert_equal "name", name
     assert_equal ["one", "two", "three", "four"], args
   end