Upgrade ubuntu distro taking temporally out PPA for avoiding conflicts

upgrade-ubuntu

#!/usr/bin/env bash
set -euo pipefail
readonly SELF="$(readlink -f "$0")"

## Run as root
[ $UID == 0 ] || exec sudo -E "$SELF" "$@"

die() { echo "[ERROR] $*" >&2 ; exit 1 ; }
cmd() { echo "[#] $*" >&2; "$@" ; }

upgrade_sources() {
## >>>>>>>>>>>>>>>>>>> UPDATE THESE PATTERNS <<<<<<<<<<<<<<<<<<<<<
	cmd sed -i 's/impish/jammy/g' "$@"
	cmd sed -i 's/\b21\.10\b/22.04/g' "$@"
}

move_out_ppa() {
## The ppa usually interfere with the upgrade, so we take it out temporarily
	cmd mkdir -p /etc/apt/sources.list.d.bak
	cmd chmod -R u+rwX,go=rX /etc/apt/sources.list.d.bak
	cmd mv /etc/apt/sources.list.d/* /etc/apt/sources.list.d.bak/ || true
}

backup_sources_list() {
	cmd cp -a /etc/apt/sources.list /etc/apt/sources.list.bak
}


do_upgrade() {
	cmd apt-get update
	cmd apt-get upgrade -y
	cmd apt-get dist-upgrade -y
}

fix_and_clean() {
	cmd apt-get install -f
	cmd apt-get autoremove -y
}


copy_back_ppa() {
	cmd cp -a /etc/apt/sources.list.d.bak/* /etc/apt/sources.list.d/ || true
}

install_ubuntu_desktop() {
	cmd apt-get install ubuntu-desktop -y
}


main() {
	move_out_ppa
	backup_sources_list
	upgrade_sources /etc/apt/sources.list
	do_upgrade
	fix_and_clean

	copy_back_ppa
	upgrade_sources /etc/apt/sources.list.d/*
	do_upgrade
	install_ubuntu_desktop
	fix_and_clean
}

main

Remember the ## >>>>>>>>>>>>>>>>>>> UPDATE THESE PATTERNS <<<<<<<<<<<<<<<<<<<<< hint