[PATCH] t/xcpdb-reshard: skip --compact if xapian-compact(1) is missing

[Eric Wong <e@yhbt.net>]

Skip a small part of a test than fail entirely because
xapian-compact is not installed.
---
 t/xcpdb-reshard.t | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/t/xcpdb-reshard.t b/t/xcpdb-reshard.t
index 58932fc2..d3cb36c5 100644
--- a/t/xcpdb-reshard.t
+++ b/t/xcpdb-reshard.t
@@ -8,6 +8,7 @@ require_mods(qw(DBD::SQLite Search::Xapian));
 require_git('2.6');
 use PublicInbox::MIME;
 use PublicInbox::InboxWritable;
+use PublicInbox::Spawn qw(which);
 require PublicInbox::Search;
 
 my $mime = PublicInbox::MIME->create(
@@ -43,12 +44,14 @@ my @shards = grep(m!/\d+\z!, glob("$ibx->{inboxdir}/xap*/*"));
 is(scalar(@shards), $nproc - 1, 'got expected shards');
 my $orig = $ibx->over->query_xover(1, $ndoc);
 my %nums = map {; "$_->{num}" => 1 } @$orig;
+my $xapian_compact = which('xapian-compact') or
+	diag("`xapian-compact' missing, unable to test --compact");
 
 # ensure we can go up or down in shards, or stay the same:
 for my $R (qw(2 4 1 3 3)) {
 	delete $ibx->{search}; # release old handles
 	my $cmd = [@xcpdb, "-R$R", $ibx->{inboxdir}];
-	push @$cmd, '--compact' if $R == 1;
+	push @$cmd, '--compact' if $R == 1 && $xapian_compact;
 	ok(run_script($cmd), "xcpdb -R$R");
 	my @new_shards = grep(m!/\d+\z!, glob("$ibx->{inboxdir}/xap*/*"));
 	is(scalar(@new_shards), $R, 'resharded to two shards');