fixup! python: setup: arch: installimage adjustments

Signed-off-by: Nathan Chancellor <[email protected]>

python/setup/arch.py

@@ -12,6 +12,7 @@
 import shutil
 import subprocess
 import sys
+from tempfile import TemporaryDirectory
 
 sys.path.append(str(Path(__file__).resolve().parents[1]))
 # pylint: disable=wrong-import-position
@@ -626,6 +627,14 @@ def pacman_settings(dryrun=False):
 
     lib.utils.print_or_write_text(PACMAN_CONF, conf_text, dryrun)
 
+    # Ensure that my database exists, as we may need to reinstall the linux
+    # package and that can fail if my database is not available. It is tempting
+    # to just 'pacman -Sy' here but we do not want to risk a partial upgrade...
+    if not (nathan_db := Path('/var/lib/pacman/sync/nathan.db')).exists():
+        with TemporaryDirectory() as tempdir:
+            subprocess.run(['pacman', '--dbpath', tempdir, '-Sy'], check=True)
+            Path(tempdir, '/'.join(nathan_db.parts[-2:])).rename(nathan_db)
+
 
 def pacman_update():
     pacman_install(['-yyu'])