Added for kernel message

Signed-off-by: Dimitris Zlatanidis <d.zlatanidis@gmail.com>

ChangeLog.txt

@@ -1,5 +1,9 @@
 ## slpkg - ChangeLog
 
+### 5.1.6 - 18/10/2024
+- Added:
+    * Warning message for kernel upgrade
+
 ### 5.1.5 - 06/10/2024
 
 - Updated:

slpkg/main.py

@@ -446,7 +446,7 @@ class Menu(Configs):  # pylint: disable=[R0902]
             raise SystemExit(0)
         self.usage.help_short(1)
 
-    def upgrade(self) -> None:
+    def upgrade(self) -> None:  # pylint: disable=[R0912]
         """Upgrade the installed packages.
 
         Raises:
@@ -456,6 +456,7 @@ class Menu(Configs):  # pylint: disable=[R0902]
         removed: list = []
         added: list = []
         ordered: bool = True
+        kernel_generic_current: str = self.utils.is_package_installed('kernel-generic')
 
         if len(self.args) == 1:
 
@@ -505,9 +506,19 @@ class Menu(Configs):  # pylint: disable=[R0902]
             else:
                 self.usage.help_minimal(f"{self.prog_name}: invalid repository '{self.repository}'")
 
+            kernel_generic_new: str = self.utils.is_package_installed('kernel-generic')
+            if kernel_generic_current != kernel_generic_new:
+                self._kernel_image_message()
+
             raise SystemExit(0)
         self.usage.help_short(1)
 
+    def _kernel_image_message(self) -> None:
+        print(f"\n{self.bred}Warning!{self.endc} Your kernel image looks like to have been upgraded!\n"
+              "Please update the bootloader with the new parameters of the upgraded kernel.\n"
+              "See: lilo, eliloconfig or grub-mkconfig -o /boot/grub/grub.cfg,\n"
+              "depending on how you have your system configured.\n")
+
     def repo_info(self) -> None:
         """Print repositories information.
 
@@ -556,6 +567,7 @@ class Menu(Configs):  # pylint: disable=[R0902]
             SystemExit: Exit code 0.
         """
         command: str = Menu.install.__name__
+        kernel_generic_current: str = self.utils.is_package_installed('kernel-generic')
 
         if len(self.args) >= 2:
             self.data: dict = self.load_data.load(self.repository)
@@ -573,6 +585,11 @@ class Menu(Configs):  # pylint: disable=[R0902]
             else:
                 install_sbo = Slackbuilds(self.repository, self.data, packages, self.flags, mode=command)
                 install_sbo.execute()
+
+            kernel_generic_new: str = self.utils.is_package_installed('kernel-generic')
+            if kernel_generic_current != kernel_generic_new:
+                self._kernel_image_message()
+
             raise SystemExit(0)
         self.usage.help_short(1)