Bootstrap脚本使用yum部署应用程序，如何在Ubuntu上部署

I am deploying an application that has a bootstrap script, which installs a bunch of packages using yum. However, I am deploying on Ubuntu Maverick. Does is make sense to upgrade the script to use apt-get instead. I installed yum on ubuntu, but not sure how to configure repositories and such, plus I am not sure if continuing with yum is the right approach.I am deploying an application that has a bootst