[PATCH 07/16] lei_xsearch: truncate curl stderr after reading it

[Eric Wong]

We may have further URLs to read in that process, so ensure
we don't end up having tail send stale data.
---
 lib/PublicInbox/LeiXSearch.pm | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/PublicInbox/LeiXSearch.pm b/lib/PublicInbox/LeiXSearch.pm
index 95862306..5cf02136 100644
--- a/lib/PublicInbox/LeiXSearch.pm
+++ b/lib/PublicInbox/LeiXSearch.pm
@@ -268,6 +268,7 @@ sub query_remote_mboxrd {
                my $e = do { local $/; <$cerr> } //
                                die "read(curl stderr): $!\n";
                $coff += length($e);
+               truncate($cerr, 0);
                next if (($? >> 8) == 22 && $e =~ /\b404\b/);
                $lei->child_error($?);
                $uri->query_form(q => $lei->{mset_opt}->{qstr});
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