initial commit

1 files changed, 30 insertions, 0 deletions

diff --git a/network-online b/network-online
new file mode 100755
index 0000000..a2fa8b0
--- /dev/null
+++ b/network-online
@@ -0,0 +1,30 @@
+#!/usr/bin/env bash
+mode="$1"
+lock=/run/network-online/lock
+fifo=/run/network-online/"$2"
+PS4="$mode: "
+case "$mode" in
+	start)
+		trap 'rm -f -- "$fifo"' EXIT
+		set -x
+		mkdir -p /run/network-online || exit $?
+		exec 8>"$lock" || exit $?
+		flock -s 8 || exit $?
+		systemctl start network-online.target || exit $?
+
+		mkfifo "$fifo" || exit $?
+		cat "$fifo"
+		exec 8>&-
+		echo stopped >> "$fifo"
+		;;
+	stop)
+		set -x
+		exec 8>"$lock" || exit $?
+		echo stopping >> "$fifo" || exit $?
+		cat "$fifo" || exit $?
+		if flock -x -n 8; then
+			systemctl stop network-online.target
+			rm -rf /run/network-online
+		fi
+		;;
+esac