Switch runtime app identity to bearhub with legacy path migration

bauh/__init__.py

@@ -1,5 +1,5 @@
 __version__ = '0.10.7'
-__app_name__ = 'bauh'
+__app_name__ = 'bearhub'
 
 import os
 ROOT_DIR = os.path.dirname(os.path.abspath(__file__))

bauh/api/paths.py

@@ -1,3 +1,5 @@
+import os
+import shutil
 from getpass import getuser
 from pathlib import Path
 
@@ -18,3 +20,51 @@ LOGS_DIR = f'{TEMP_DIR}/logs'
 AUTOSTART_DIR = f'/etc/xdg/autostart' if user.is_root() else f'{Path.home()}/.config/autostart'
 BINARIES_DIR = f'/usr/local/bin' if user.is_root() else f'{Path.home()}/.local/bin'
 SHARED_FILES_DIR = f'/usr/local/share/{__app_name__}' if user.is_root() else f'{Path.home()}/.local/share/{__app_name__}'
+
+
+def _migrate_dir_if_possible(old_path: str, new_path: str):
+    if old_path == new_path:
+        return
+
+    if not os.path.exists(old_path):
+        return
+
+    if os.path.exists(new_path):
+        return
+
+    try:
+        parent = os.path.dirname(new_path)
+        if parent:
+            Path(parent).mkdir(parents=True, exist_ok=True)
+
+        shutil.move(old_path, new_path)
+    except Exception:
+        # The migration is best-effort. If it fails, the app can still start with empty defaults.
+        pass
+
+
+def migrate_legacy_paths():
+    old_app_name = 'bauh'
+
+    if old_app_name == __app_name__:
+        return
+
+    if user.is_root():
+        old_cache = f'/var/cache/{old_app_name}'
+        old_config = f'/etc/{old_app_name}'
+        old_shared = f'/usr/local/share/{old_app_name}'
+        old_temp = f'/tmp/{old_app_name}@{getuser()}'
+    else:
+        home = Path.home()
+        old_cache = f'{home}/.cache/{old_app_name}'
+        old_config = f'{home}/.config/{old_app_name}'
+        old_shared = f'{home}/.local/share/{old_app_name}'
+        old_temp = f'/tmp/{old_app_name}@{getuser()}'
+
+    _migrate_dir_if_possible(old_cache, CACHE_DIR)
+    _migrate_dir_if_possible(old_config, CONFIG_DIR)
+    _migrate_dir_if_possible(old_shared, SHARED_FILES_DIR)
+    _migrate_dir_if_possible(old_temp, TEMP_DIR)
+
+
+migrate_legacy_paths()