config: rename load.py to file.py (MR 2252)

It's weird to have a function with the same name as the module, rename
it to avoid confusion.

Signed-off-by: Caleb Connolly <caleb@postmarketos.org>

pmb/chroot/apk_static.py

@@ -12,7 +12,7 @@ from pmb.types import PmbArgs
 import pmb.helpers.apk
 import pmb.helpers.run
 import pmb.config
-import pmb.config.load
+import pmb.config.file
 import pmb.parse.apkindex
 import pmb.helpers.http
 import pmb.parse.version

pmb/config/__init__.py

@@ -11,7 +11,7 @@ from typing import Dict, List, Sequence
 #
 # FIXME (#2324): this sucks, we should re-organise this and not rely on "lifting"
 # this functions this way
-from pmb.config.load import load, save, serialize
+from pmb.config.file import load, save, serialize
 from pmb.config.sudo import which_sudo
 from pmb.config.other import is_systemd_selected
 

pmb/config/file.py

@@ -54,6 +54,7 @@ def load(path: Path) -> Config:
 
     # One time migration "mirror_alpine" -> mirrors.alpine
     if "mirror_alpine" in cfg["pmbootstrap"] or "mirrors_postmarketos" in cfg["pmbootstrap"]:
+        logging.info("Migrating config file to 3.0 format.")
         save(path, config)
 
     return config