allow variable overwrite

2020-02-03 22:53:02 +01:00 · 2020-02-03 22:53:02 +01:00 · 5c19db4c9f
parent 99e603ed73
commit 5c19db4c9f
1 changed files with 3 additions and 3 deletions
--- a/6
+++ b/6
@ -1,7 +1,7 @@
-#!/bin/sh
+#!/usr/bin/env sh

-WAITFOR_TIMEOUT=15
-WAITFOR_QUIET=0
+WAITFOR_TIMEOUT=${WAITFOR_TIMEOUT:-15}
+WAITFOR_QUIET=${WAITFOR_QUIET:-0}

 echoerr() {
  if [ "$WAITFOR_QUIET" -ne 1 ]; then printf "%s\n" "$*" 1>&2; fi