if serving/searching the mirror is required. As-is,
public-inbox-clone is suitable for creating a git-only backup.
+public-inbox-clone creates a Makefile with handy targets to update the
+inbox once indexed. This Makefile may be edited by the user; it will
+not be rewritten by L<public-inbox-fetch(1)> unless it is removed
+completely.
+
public-inbox-clone does not use nor require any extra
configuration files (not even C<~/.public-inbox/config>).