simiple updater

run-wrapper/stop

@@ -0,0 +1,26 @@
+#!/usr/bin/env bash
+set -e
+set -u
+set -o pipefail
+
+SCRIPT_DIR=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" &>/dev/null && pwd)
+
+PIDFILE="$SCRIPT_DIR"/.pid
+
+if [ ! -f "$PIDFILE" ]; then
+    echo "Not running"
+    exit 2
+fi
+
+if ! kill -0 $(cat "$PIDFILE") >/dev/null; then
+    echo "Not running"
+    rm .pid
+    exit 2
+fi
+
+PID=$(cat "$PIDFILE")
+
+echo "Killing $PID"
+kill "$PID"
+
+rm .pid