[Executable] Fix multiline executable output

lib/cocoapods/executable.rb

@@ -86,10 +86,6 @@ module Pod
         i.close
         status = t.value
 
-        o.flush
-        e.flush
-        sleep(0.1)
-
         status
       end
     end
@@ -100,11 +96,17 @@ module Pod
         begin
           loop do
             buf << input.readpartial(4096)
-            string, separator, buf = buf.rpartition(/[\r\n]/)
-            output << string << separator
+            loop do
+              string, separator, buf = buf.partition(/[\r\n]/)
+              if separator.empty?
+                buf = string
+                break
+              end
+              output << (string << separator)
+            end
           end
         rescue EOFError
-          output << buf << $/ unless buf.empty?
+          output << (buf << $/) unless buf.empty?
         end
       end
     end
@@ -141,8 +143,7 @@ module Pod
       #
       def <<(value)
         super
-      ensure
-        @io << "#{ indent }#{ value }" if @io
+        io << "#{ indent }#{ value }" if io
       end
     end
   end

spec/unit/executable_spec.rb

@@ -60,6 +60,18 @@ module Pod
       Executable.execute_command('ruby', cmd, true).should == "foo\rbar\nbaz\r"
     end
 
+    it 'prints the correct output to the console' do
+      io = ''
+      UI.indentation_level = 1
+      config.verbose = true
+      Executable::Indenter.any_instance.stubs(:io).returns(io)
+      cmd = ['-e', <<-RB]
+        3.times { |i| puts i }
+      RB
+      Executable.execute_command('ruby', cmd, true)
+      io.should == " 0\n 1\n 2\n"
+    end
+
     describe Executable::Indenter do
       it 'indents any appended strings' do
         UI.indentation_level = 4