_rake_does_task_list_need_generating () {
   if [ ! -f .rake_tasks ]; then return 0;
   else
     accurate=$(stat -f%m .rake_tasks)
     changed=$(stat -f%m Rakefile)
     return $(expr $accurate '>=' $changed)
   fi
 }
 
 _rake () {
   if [ -f Rakefile ]; then
     if _rake_does_task_list_need_generating; then
       echo "\nGenerating .rake_tasks..." > /dev/stderr
       rake --silent --tasks | cut -d " " -f 2 > .rake_tasks
     fi
     compadd `cat .rake_tasks`
   fi
 }
 
 compdef _rake rake
 
 function _cap_does_task_list_need_generating () {
   if [ ! -f .cap_tasks ]; then return 0;
   else
     accurate=$(stat -f%m .cap_tasks)
     changed=$(stat -f%m config/deploy.rb)
     return $(expr $accurate '>=' $changed)
   fi
 }
 
 function _cap () {
   if [ -f config/deploy.rb ]; then
     if _cap_does_task_list_need_generating; then
       echo "\nGenerating .cap_tasks..." > /dev/stderr
       cap show_tasks -q | cut -d " " -f 1 | sed -e '/^ *$/D' -e '1,2D'
 > .cap_tasks
     fi
     compadd `cat .cap_tasks`
   fi
 }
 
 compdef _cap cap