meson: Flush stdout in testwrap

anarazel · anarazel · commit d9bc60705274 · 2025-03-19T09:04:10.000-04:00
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
diff --git a/src/tools/testwrap b/src/tools/testwrap
@@ -46,6 +46,7 @@ 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:
