broken by 0.32. Extend this handling to `database.mail_root`,
`database.backup_dir`, and `database.hook_dir`.
+Reload certain metadata from Xapian database in
+notmuch_database_reopen. This fixes a bug when adding messages to the
+database in a pre-new hook.
+
Notmuch 0.32 (2021-05-02)
=========================