+sub prepare_external {
+ my ($self, $loc, $boost) = @_; # n.b. already ordered by boost
+ if (ref $loc) { # already a URI, or PublicInbox::Inbox-like object
+ return push(@{$self->{remotes}}, $loc) if $loc->can('scheme');
+ } elsif ($loc =~ m!\Ahttps?://!) {
+ require URI;
+ return push(@{$self->{remotes}}, URI->new($loc));
+ } elsif (-f "$loc/ei.lock") {
+ require PublicInbox::ExtSearch;
+ $loc = PublicInbox::ExtSearch->new($loc);
+ } elsif (-f "$loc/inbox.lock" || -d "$loc/public-inbox") {
+ require PublicInbox::Inbox; # v2, v1
+ $loc = bless { inboxdir => $loc }, 'PublicInbox::Inbox';
+ } else {
+ warn "W: ignoring $loc, unable to determine type\n";
+ return;
+ }
+ push @{$self->{locals}}, $loc;
+}
+
+