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fix: fix syntax while using bash fallbacks (#53)
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parent
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commit
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9
wait-for
9
wait-for
@ -3,9 +3,6 @@
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WAITFOR_TIMEOUT=${WAITFOR_TIMEOUT:-15}
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WAITFOR_QUIET=${WAITFOR_QUIET:-0}
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HAS_NC=0
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HAS_BASH=0
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echoerr() {
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if [ "$WAITFOR_QUIET" -ne 1 ]; then printf "%s\n" "$*" 1>&2; fi
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}
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@ -27,9 +24,9 @@ USAGE
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wait_for() {
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for _ in $(seq "$WAITFOR_TIMEOUT"); do
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if [ $HAS_NC = 1 ]; then
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if [ "$HAS_NC" = 1 ]; then
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nc -w 1 -z "$WAITFOR_HOST" "$WAITFOR_PORT" >/dev/null 2>&1
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elif [ $HAS_BASH = 1 ]; then
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elif [ "$HAS_BASH" = 1 ]; then
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# shellcheck disable=SC3025
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bash -c "</dev/tcp/$WAITFOR_HOST/$WAITFOR_PORT" >/dev/null 2>&1
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fi
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@ -89,7 +86,7 @@ if [ -x "$(command -v bash)" ]; then
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HAS_BASH=1
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fi
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if [ $HAS_NC = 0 ] || [ $HAS_BASH = 0 ]; then
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if [ "$HAS_NC" != 1 ] || [ "$HAS_BASH" != 1 ]; then
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echoerr "error: netcat or bash is required for wait-for to run"
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exit 1
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fi
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