From 1c5b1ff5c239f68bfc4f9c3a9f824cfcac32abd6 Mon Sep 17 00:00:00 2001
From: ridiculousfish <corydoras@ridiculousfish.com>
Date: Mon, 2 Mar 2020 14:00:20 -0800
Subject: [PATCH] Correct a race condition in pipeline-pgroup test

This test launches two background processes and is sensitive to
interleaving of output. Fix it so that newlines are not output by
the background process.

Hopefully this fixes the flakiness of this test.
---
 tests/checks/pipeline-pgroup.fish | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tests/checks/pipeline-pgroup.fish b/tests/checks/pipeline-pgroup.fish
index aa86154c0..90dcdd752 100644
--- a/tests/checks/pipeline-pgroup.fish
+++ b/tests/checks/pipeline-pgroup.fish
@@ -43,7 +43,8 @@ or echo "Pgroups disagreed. Found $a0 $a1 $a2, and $b0 $b1 $b2"
 status job-control full
 $fth print_pgrp | begin
     tr \n ' '
-    $fth print_pgrp &
+    $fth print_pgrp | tr \n ' ' &
 end &
 wait
+echo
 # CHECK: {{(\d+) (?!\1)\d+}}