updated cache before "provides" listings

pman.sh

@@ -48,6 +48,12 @@ fi
 if [ "$command_args" = "search" ]; then
   command_args="-Ss"
 elif [ "$command_args" = "provides" ]; then
+  # Update the cache
+  su_needed=true
+  command_args="-Fy"
+  execute_command "${@}"
+
+  su_needed=false
   command_args="-F"
 elif [ "$command_args" = "installed" ]; then
   command_args="-Q"