From 3df46a1054c7ec37f8ef651a078ded741c991ddd Mon Sep 17 00:00:00 2001
From: Peter Leitzen <pleitzen@gitlab.com>
Date: Mon, 1 Jul 2019 14:43:38 +0000
Subject: QA: Make shellout more responsive

Avoid line-buffering and flush each character during shellout.

This useful for commands (e.g. gcloud) which display its progress by
printing single dots.
---
 qa/qa/service/shellout.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/qa/qa/service/shellout.rb b/qa/qa/service/shellout.rb
index 7065ab0e7f3..217df669db3 100644
--- a/qa/qa/service/shellout.rb
+++ b/qa/qa/service/shellout.rb
@@ -19,7 +19,7 @@ module QA
         Open3.popen2e(*command) do |stdin, out, wait|
           stdin.puts(stdin_data) if stdin_data
           stdin.close if stdin_data
-          out.each { |line| puts line }
+          out.each_char { |char| print char }
 
           if wait.value.exited? && wait.value.exitstatus.nonzero?
             raise CommandError, "Command `#{command}` failed!"
-- 
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