From 5941946d0934b9eccb0d5bfebd40b155249a0130 Mon Sep 17 00:00:00 2001
From: Andres Freund <andres@anarazel.de>
Date: Wed, 19 Mar 2025 09:04:09 -0400
Subject: [PATCH] meson: Flush stdout in testwrap

Otherwise the progress won't reliably be displayed during a test.

Reviewed-by: Noah Misch <noah@leadboat.com>
Discussion: https://postgr.es/m/kx6xu7suexal5vwsxpy7ybgkcznx6hgywbuhkr6qabcwxjqax2@i4pcpk75jvaa
Backpatch-through: 16
---
 src/tools/testwrap | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/tools/testwrap b/src/tools/testwrap
index 8ae8fb79ba7..21105146c9d 100755
--- a/src/tools/testwrap
+++ b/src/tools/testwrap
@@ -61,6 +61,7 @@ for line in sp.stdout:
     if line.startswith(b'ok '):
         line = line.replace(b' # TODO ', b' # testwrap-overridden-TODO ', 1)
     sys.stdout.buffer.write(line)
+    sys.stdout.flush()
 returncode = sp.wait()
 
 if returncode == 0: