Show git branch on CLI prompt

.bashrc

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

YELLOW="\[\033[0;33m\]"
# Comment in the above and uncomment this below for a color prompt
PS1="${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w$Y$