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Namespacing local variables to prevent collision with environment. #5

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Namespacing local variables to prevent collision with environment. #5

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18 changes: 9 additions & 9 deletions wait-for
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
#!/bin/sh

TIMEOUT=15
WAIT_TIMEOUT=15
QUIET=0

echoerr() {
Expand All @@ -21,8 +21,8 @@ USAGE

wait_for() {
command="$*"
for i in `seq $TIMEOUT` ; do
nc -z "$HOST" "$PORT" > /dev/null 2>&1
for i in `seq $WAIT_TIMEOUT` ; do
nc -z "$WAIT_HOST" "$WAIT_PORT" > /dev/null 2>&1

result=$?
if [ $result -eq 0 ] ; then
Expand All @@ -41,21 +41,21 @@ while [ $# -gt 0 ]
do
case "$1" in
*:* )
HOST=$(printf "%s\n" "$1"| cut -d : -f 1)
PORT=$(printf "%s\n" "$1"| cut -d : -f 2)
WAIT_HOST=$(printf "%s\n" "$1"| cut -d : -f 1)
WAIT_PORT=$(printf "%s\n" "$1"| cut -d : -f 2)
shift 1
;;
-q | --quiet)
QUIET=1
shift 1
;;
-t)
TIMEOUT="$2"
if [ "$TIMEOUT" = "" ]; then break; fi
WAIT_TIMEOUT="$2"
if [ "$WAIT_TIMEOUT" = "" ]; then break; fi
shift 2
;;
--timeout=*)
TIMEOUT="${1#*=}"
WAIT_TIMEOUT="${1#*=}"
shift 1
;;
--)
Expand All @@ -72,7 +72,7 @@ do
esac
done

if [ "$HOST" = "" -o "$PORT" = "" ]; then
if [ "$WAIT_HOST" = "" -o "$WAIT_PORT" = "" ]; then
echoerr "Error: you need to provide a host and port to test."
usage 2
fi
Expand Down