=head1 SYNOPSIS
- public-inbox-xcpdb [OPTIONS] INBOX_DIR
+public-inbox-xcpdb [OPTIONS] INBOX_DIR
+
+public-inbox-xcpdb [OPTIONS] --all
=head1 DESCRIPTION
L<public-inbox-watch(1)>, L<public-inbox-mda(1)>,
L<public-inbox-learn(1)>, and L<public-inbox-index(1)>.
+This command is rarely used, as Xapian DB formats rarely
+change.
+
=head1 OPTIONS
=over
-=item --compact
+=item --all
+
+Copy all inboxes configured in ~/.public-inbox/config.
+This is an alternative to specifying individual inboxes directories
+on the command-line.
+
+=item -c, --compact
In addition to performing the copy operation, run L<xapian-compact(1)>
on each Xapian shard after copying but before finalizing it.
=item --no-fsync
Disable L<fsync(2)> and L<fdatasync(2)>.
+See L<public-inbox-index(1)/--no-fsync> for caveats.
+
+Available in public-inbox 1.6.0+.
+
+=item --sequential-shard
+
+Copy each shard sequentially, ignoring C<--jobs>. This also
+affects indexing done at the end of a run.
+
+=item --batch-size=BYTES
+
+=item --max-size=BYTES
+
+See L<public-inbox-index(1)> for a description of these options.
-Available in public-inbox 1.6.0 (PENDING).
+These indexing options indexing at the end of a run.
+C<public-inbox-xcpdb> may run in parallel with with
+L<public-inbox-index(1)>, and C<public-inbox-xcpdb> needs to
+reindex changes made to the old Xapian DBs by
+L<public-inbox-index(1)> while it was running.
=back