Add tentative implementation of spawn(8)
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parent
021003a3e0
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2050d668af
34
spawn.sh
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34
spawn.sh
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#!/bin/sh
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set -eu
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die() {
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echo "${0}:" "$@" >&2
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exit 1
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}
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: ${SPAWND_PIPE:=/var/run/spawnd.pipe}
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while getopts 'c:' opt; do
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case "${opt}" in
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(c) SPAWND_PIPE=$OPTARG;;
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(?) exit 1;;
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esac
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done
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shift $((OPTIND - 1))
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if ! [ -p "${SPAWND_PIPE}" ]; then
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die "${SPAWND_PIPE} is not a named pipe"
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fi
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[ $# -lt 1 ] && die 'action required'
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[ $# -lt 2 ] && die 'service name required'
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action=$(echo "${1}" | tr 'A-Z' 'a-z')
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for valid in start stop restart status $(kill -l | tr 'A-Z' 'a-z'); do
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[ "${action}" = "${valid}" ] && break
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done
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if [ "${action}" != "${valid}" ]; then
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die "${action} is not a valid action or signal"
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fi
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echo "$@" > "${SPAWND_PIPE}"
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