From d2bbce787871c67cdcfe1e614b90f96e1c3217f3 Mon Sep 17 00:00:00 2001
From: Adriaan Knapen <hi@aknapen.nl>
Date: Fri, 12 Mar 2021 14:35:25 +0200
Subject: [PATCH] fix: correctly render the command name in the help text

Previously the help text failed to render the name of the script being executed in the help text.

The issue was detected by shellcheck, this commit also includes another minor fix detected by ShellCheck.

Closes #16
---
 wait-for | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/wait-for b/wait-for
index 43ed61b..e87f981 100755
--- a/wait-for
+++ b/wait-for
@@ -36,7 +36,7 @@ usage() {
   exitcode="$1"
   cat << USAGE >&2
 Usage:
-  $cmdname host:port|url [-t timeout] [-- command args]
+  $0 host:port|url [-t timeout] [-- command args]
   -q | --quiet                        Do not output any status messages
   -t TIMEOUT | --timeout=timeout      Timeout in seconds, zero for no timeout
   -- COMMAND ARGS                     Execute command with args after the test finishes
@@ -168,7 +168,7 @@ fi
 
 case "$PROTOCOL" in
   tcp)
-    if [ "$HOST" = "" -o "$PORT" = "" ]; then
+    if [ "$HOST" = "" ] || [ "$PORT" = "" ]; then
       echoerr "Error: you need to provide a host and port to test."
       usage 2
     fi