move banner into its own function, print kver if found

Signed-off-by: Zen <[email protected]>

Author: desultory

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "ugrd"
-version = "1.23.1"
+version = "1.24.0"
 authors = [
   { name="Desultory", email="[email protected]" },
 ]

src/ugrd/base/core.py

@@ -1,12 +1,20 @@
 __author__ = 'desultory'
-__version__ = '3.7.4'
+__version__ = '3.8.0'
 
 from pathlib import Path
 from typing import Union
 
 from zenlib.util import contains, unset, NoDupFlatList
 
 
+def print_banner(self) -> list[str]:
+    """ Prints the banner. Prints the kernel version if set """
+    banner = [self.banner]
+    if kver := self.get('kernel_version'):
+        banner.append(f"einfo 'Kernel version: {kver}'")
+    return banner
+
+
 def detect_tmpdir(self) -> None:
     """ Reads TMPDIR from the environment, sets it as the temporary directory. """
     from os import environ

src/ugrd/base/core.toml

@@ -49,6 +49,9 @@ minor = 1
 [imports.build_final]
 "ugrd.base.core" = [ "handle_usr_symlinks" ]
 
+[imports.init_pre]
+"ugrd.base.core" = [ "print_banner" ]
+
 [custom_parameters]
 hostonly = "bool"  # If true, the initramfs will be built specifically for the host building it
 validate = "bool"  # If true, the configuration of the initramfs will be validated against the host

src/ugrd/initramfs_generator.py

@@ -180,7 +180,6 @@ def generate_init(self) -> None:
         self.run_hook('functions', force_include=True)
 
         init.extend(self.run_init_hook('init_pre'))
-        init += [self.banner]
 
         if self['imports'].get('custom_init') and self.get('_custom_init_file'):
             init += ["\n# !!custom_init"]