[PATCH 3/3] cindex: basic inboxes are non-fatal for --associate

[Eric Wong <e@80x24.org>]

We need to gracefully continue when a user tries to associate
with --all but has basic (or completely unindexed) inboxes.
---
 lib/PublicInbox/CodeSearchIdx.pm | 10 ++++++----
 t/cindex.t                       | 21 +++++++++++++++++++++
 2 files changed, 27 insertions(+), 4 deletions(-)

diff --git a/lib/PublicInbox/CodeSearchIdx.pm b/lib/PublicInbox/CodeSearchIdx.pm
index 2d1d8b22..c8e4c591 100644
--- a/lib/PublicInbox/CodeSearchIdx.pm
+++ b/lib/PublicInbox/CodeSearchIdx.pm
@@ -551,12 +551,14 @@ sub dump_roots_start {
 sub dump_ibx { # sends to xap_helper.h
 	my ($self, $ibx_id) = @_;
 	my $ibx = $IBX[$ibx_id] // die "BUG: no IBX[$ibx_id]";
-	my @cmd = ('dump_ibx', $ibx->isrch->xh_args,
-			(map { ('-A', $_) } @ASSOC_PFX),
-			$ibx_id, $QRY_STR);
+	my $ekey = $ibx->eidx_key;
+	my $srch = $ibx->isrch or return warn <<EOM;
+W: $ekey not indexed for search
+EOM
+	my @cmd = ('dump_ibx', $srch->xh_args,
+			(map { ('-A', $_) } @ASSOC_PFX), $ibx_id, $QRY_STR);
 	pipe(my $r, my $w);
 	$XHC->mkreq([$DUMP_IBX_WPIPE, $w], @cmd);
-	my $ekey = $ibx->eidx_key;
 	$self->{PENDING}->{$ekey} = $TODO{associate};
 	PublicInbox::CidxXapHelperAux->new($r, $self, $ekey);
 }
diff --git a/t/cindex.t b/t/cindex.t
index 51317329..c7de1505 100644
--- a/t/cindex.t
+++ b/t/cindex.t
@@ -198,4 +198,25 @@ SKIP: {
 	ok(run_script([qw(-xcpdb --compact), "$tmp/ext"]), 'xcpdb compact');
 };
 
+my $basic = create_inbox 'basic', indexlevel => 'basic', sub {
+	my ($im, $ibx) = @_;
+	$im->add(eml_load('t/plack-qp.eml'));
+};
+{
+	my $env = { PI_CONFIG => "$tmp/pi_config" };
+	open my $fh, '>', $env->{PI_CONFIG};
+	print $fh <<EOM;
+[publicinbox "basictest"]
+	inboxdir = $basic->{inboxdir}
+	address = basic\@example.com
+EOM
+	close $fh;
+	my $cmd = [ qw(-cindex -u --all --associate -d), "$tmp/ext",
+		'-I', $basic->{inboxdir} ];
+	my $opt = { 1 => \(my $cidx_out), 2 => \(my $cidx_err) };
+	ok(run_script($cmd, $env, $opt), 'associate w/o search');
+	like($cidx_err, qr/W: \Q$basic->{inboxdir}\E not indexed for search/,
+		'non-Xapian-enabled inbox noted');
+}
+
 done_testing;