Show GIT Branch on Bash

ubuntu edit .bashrc

alpine linux .profile

show_git_branch() {

     git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/(\1)/'

}

export PS1="\u@\h \[\e[32m\]\w \[\e[91m\]\$(show_git_branch)\[\e[00m\] $ "

Unable to 'apt update' my Ubuntu 19.04

sudo sed -i -re 's/([a-z]{2}\.)?th.archive.ubuntu.com|archive.ubuntu.com|security.ubuntu.com/old-releases.ubuntu.com/g' /etc/apt/sources.list