fixup! fixup! fixup! Add a preliminary checker to ensure the mount po…

…ints in /etc/fstab are in the correct order

pleskdistup/common/src/mounts.py

@@ -35,7 +35,7 @@ def get_fstab_configuration_misorderings(configpath: str) -> typing.List[typing.
         if mount_point == "/":
             continue
 
-        if mount_points_order["/"] > mount_points_order[mount_point]:
+        if "/" in mount_points_order and mount_points_order["/"] > mount_points_order[mount_point]:
             misorderings.append(("/", mount_point))
 
         parant_dir = os.path.dirname(mount_point)

pleskdistup/common/tests/mountstests.py

@@ -70,3 +70,14 @@ def test_several_different_misorderings(self):
             f.write("devpts /dev/pts devpts gid=5,mode=620 0 0\n")
             f.write("tmpfs /dev/shm tmpfs defaults 0 0\n")
         self.assertEqual(mounts.get_fstab_configuration_misorderings(self.test_file_path), [("/", "/var"), ("/home", "/home/test")])
+
+    def test_file_without_root(self):
+        with open(self.test_file_path, "w") as f:
+            f.write("# comment\n")
+            f.write("/dev/sda2 /var ext4 defaults 0 1\n")
+            f.write("/dev/sda5 /home/test ext4 defaults 0 1\n")
+            f.write("/dev/sda4 /home ext4 defaults 0 1\n")
+            f.write("proc /proc proc defaults 0 0\n")
+            f.write("devpts /dev/pts devpts gid=5,mode=620 0 0\n")
+            f.write("tmpfs /dev/shm tmpfs defaults 0 0\n")
+        self.assertEqual(mounts.get_fstab_configuration_misorderings(self.test_file_path), [("/home", "/home/test")])