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fix: fix syntax while using bash fallbacks (#53)

This commit is contained in:
Robert Kaussow 2023-03-02 13:40:42 +01:00 committed by GitHub
parent 847108a7c9
commit 39a235a9e0
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1 changed files with 3 additions and 6 deletions
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wait-for
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@ -3,9 +3,6 @@
WAITFOR_TIMEOUT=${WAITFOR_TIMEOUT:-15}
WAITFOR_QUIET=${WAITFOR_QUIET:-0}
HAS_NC=0
HAS_BASH=0
echoerr() {
if [ "$WAITFOR_QUIET" -ne 1 ]; then printf "%s\n" "$*" 1>&2; fi
}
@ -27,9 +24,9 @@ USAGE
wait_for() {
for _ in $(seq "$WAITFOR_TIMEOUT"); do
if [ $HAS_NC = 1 ]; then
if [ "$HAS_NC" = 1 ]; then
nc -w 1 -z "$WAITFOR_HOST" "$WAITFOR_PORT" >/dev/null 2>&1
elif [ $HAS_BASH = 1 ]; then
elif [ "$HAS_BASH" = 1 ]; then
# shellcheck disable=SC3025
bash -c "</dev/tcp/$WAITFOR_HOST/$WAITFOR_PORT" >/dev/null 2>&1
fi
@ -89,7 +86,7 @@ if [ -x "$(command -v bash)" ]; then
HAS_BASH=1
fi
if [ $HAS_NC = 0 ] || [ $HAS_BASH = 0 ]; then
if [ "$HAS_NC" != 1 ] || [ "$HAS_BASH" != 1 ]; then
echoerr "error: netcat or bash is required for wait-for to run"
exit 1
fi