From 019f3bb5bcf6fd16015badc63dcfa007a52597f8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ville=20Skytt=C3=A4?= <ville.skytta@iki.fi>
Date: Sat, 30 Dec 2017 09:25:54 +0200
Subject: [PATCH] Fall back to readlink -f if realpath is not available or
 fails

---
 wait-for-it.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/wait-for-it.sh b/wait-for-it.sh
index cfe051c..eb722b0 100755
--- a/wait-for-it.sh
+++ b/wait-for-it.sh
@@ -142,7 +142,8 @@ CHILD=${CHILD:-0}
 QUIET=${QUIET:-0}
 
 # check to see if timeout is from busybox?
-TIMEOUT_PATH=$(realpath $(type -p timeout))
+TIMEOUT_PATH=$(type -p timeout)
+TIMEOUT_PATH=$(realpath $TIMEOUT_PATH 2>/dev/null || readlink -f $TIMEOUT_PATH)
 if [[ $TIMEOUT_PATH =~ "busybox" ]]; then
         ISBUSY=1
         BUSYTIMEFLAG="-t"