main.py: Tell the user when they don't have enough free space.

Fixes: #28

Signed-off-by: Hector Martin <[email protected]>

Author: marcan

src/main.py

@@ -993,6 +993,8 @@ def main_loop(self):
 
         if not actions:
             p_error("No actions available on this system.")
+            p_message("No partitions have enough free space to be resized, and there is")
+            p_message("nothing else to be done.")
             sys.exit(1)
 
         actions["q"] = "Quit without doing anything"