From 2bd1e2061761d326a139a732716d157658b6a9fb Mon Sep 17 00:00:00 2001
From: Jan Lehnardt <jan@apache.org>
Date: Sun, 18 Dec 2022 16:15:53 +0100
Subject: [PATCH] doc: add fancy code comment for multi-pip expression

---
 wait_for_pid_exit.sh | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/wait_for_pid_exit.sh b/wait_for_pid_exit.sh
index 5fbf3bc..47561bb 100644
--- a/wait_for_pid_exit.sh
+++ b/wait_for_pid_exit.sh
@@ -12,6 +12,11 @@ wait_for_pid_exit () {
 	waiting=0
 
 	debug_inline "waiting for $pid to exit "
+	#         show all pids
+	#         |       find just the $server_pid
+	#         |       |           don’t match on the previous grep
+	#         |       |           |            we don’t need the output
+	#         |       |           |            |
 	until ( ! ps ax | grep $pid | grep -v grep > /dev/null); do
 		if [ $waiting -eq $iterations ]; then
 			after=`expr $duration \* $iterations`