Upgrade Jessie to Stretch

upgrade_stretch_to_buster.sh

#!/bin/bash

sudo apt-get update && \
  sudo apt-get upgrade && \
  sudo apt-get dist-upgrade && \
  dpkg -C && \
  apt-mark showhold && \
  sudo rpi-update && \
  sudo sed -i 's/stretch/buster/g' /etc/apt/sources.list && \
  sudo sed -i 's/stretch/buster/g' /etc/apt/sources.list.d/raspi.list && \
  sudo apt-get remove apt-listchanges && \
  sudo apt-get update && sudo apt-get upgrade -y && \
  sudo apt-get autoremove -y && sudo apt-get autoclean && \
  sudo rpi-update