my $ibx = PublicInbox::Inbox->new({ inboxdir => $git_dir });
my ($root_id, $last_id);
-is(0, system(qw(git init --shared -q --bare), $git_dir), "git init (main)")
+is(0, xsys(qw(git init --shared -q --bare), $git_dir), "git init (main)")
or BAIL_OUT("`git init --shared' failed, weird FS or seccomp?");
eval { PublicInbox::Search->new($ibx)->xdb };
ok($@, "exception raised on non-existent DB");