tools -> scripts

scripts/utils/waitfor

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+set -e
+set -u
+set -o pipefail
+
+if hash systemd-inhibit 2>/dev/null; then
+  systemd-inhibit \
+    --who=waitfor \
+    --why="Awaiting PID $1" \
+    tail --pid="$1" -f /dev/null
+else
+  tail --pid="$1" -f /dev/null
+fi