better handling of startup process

wait-for-idle-queue.sh

@@ -0,0 +1,22 @@
+#! /usr/bin/env bash
+SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
+USER_HOME=$HOME
+[[ -n "${SUDO_USER}" ]] && USER_HOME="$(eval "echo ~${SUDO_USER}")"
+. ${SHRC_D:-$USER_HOME/.pqb.shrc.d}/01_util.functions 
+
+set -e
+
+count_unfinished_jobs() {   
+    midclt call core.get_jobs | jq -r '.[] | select( .time_finished == null )' | wc -l
+}
+
+wait_for_idle_queue() {
+    while [[ "$( count_unfinished_jobs )" -gt 0 ]]; do
+        printf '.'
+        sleep 2
+    done
+    printf '\n'
+}
+
+wait_for_idle_queue
+