From 2050d668af9e9eb2f20aa42c2f27eb0e3c7d182d Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Thu, 13 Aug 2020 20:38:34 -0400
Subject: Add tentative implementation of spawn(8)

---
 spawn.sh | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 spawn.sh

diff --git a/spawn.sh b/spawn.sh
new file mode 100644
index 0000000..052a7fd
--- /dev/null
+++ b/spawn.sh
@@ -0,0 +1,34 @@
+#!/bin/sh
+set -eu
+
+die() {
+	echo "${0}:" "$@" >&2
+	exit 1
+}
+
+: ${SPAWND_PIPE:=/var/run/spawnd.pipe}
+
+while getopts 'c:' opt; do
+	case "${opt}" in
+		(c) SPAWND_PIPE=$OPTARG;;
+		(?) exit 1;;
+	esac
+done
+shift $((OPTIND - 1))
+
+if ! [ -p "${SPAWND_PIPE}" ]; then
+	die "${SPAWND_PIPE} is not a named pipe"
+fi
+
+[ $# -lt 1 ] && die 'action required'
+[ $# -lt 2 ] && die 'service name required'
+
+action=$(echo "${1}" | tr 'A-Z' 'a-z')
+for valid in start stop restart status $(kill -l | tr 'A-Z' 'a-z'); do
+	[ "${action}" = "${valid}" ] && break
+done
+if [ "${action}" != "${valid}" ]; then
+	die "${action} is not a valid action or signal"
+fi
+
+echo "$@" > "${SPAWND_PIPE}"
-- 
cgit 1.4.1