Aaronius

// Queues multiple asynchronous processes to run sequentially via promises
// Process can be added to the queue while other processes are running

var Sequence = function() {};
Sequence.prototype.enqueue = function(fn) {
  this.tail = this.tail ? this.tail.finally(fn) : fn();
};

// Usage

yayuniversal

#!/bin/bash
BS=64M
ROOT_DEV=/dev/mmcblk0
BOOTFS_BACKUP=${ROOT_DEV}p3
BOOTFS_TARGET=${ROOT_DEV}p1
ROOTFS_BACKUP=${ROOT_DEV}p2
ROOTFS_TARGET=${ROOT_DEV}p4

print_yellow() {
    echo -e "\033[1;33m${1}\033[0m"