From 41464d205ade16a5a847061fa2eb706a33b52a88 Mon Sep 17 00:00:00 2001
From: Eric Wong <e@80x24.org>
Date: Sat, 26 Dec 2020 10:16:22 +0000
Subject: extindex: enable autoflush on STDOUT/STDERR

With --watch, the output may be redirected to a pipe or socket
which Perl may decide to buffer.  Ensure Perl doesn't buffer
these outputs since they can provide real-time status updates
in response to signals or FS activity.
---
 script/public-inbox-extindex | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'script')

diff --git a/script/public-inbox-extindex b/script/public-inbox-extindex
index 607baa3e..17986f60 100644
--- a/script/public-inbox-extindex
+++ b/script/public-inbox-extindex
@@ -33,7 +33,9 @@ GetOptions($opt, qw(verbose|v+ reindex rethread compact|c+ jobs|j=i
 	or die $help;
 if ($opt->{help}) { print $help; exit 0 };
 die "--jobs must be >= 0\n" if defined $opt->{jobs} && $opt->{jobs} < 0;
-
+require IO::Handle;
+STDOUT->autoflush(1);
+STDERR->autoflush(1);
 # require lazily to speed up --help
 my $eidx_dir = shift(@ARGV) // die "E: $help";
 local $SIG{USR1} = 'IGNORE'; # to be overridden in eidx_sync
-- 
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