bash_prompt_custom.sh Bash prompt config (add to your ~/.bashrc)

bash_prompt_custom.sh

if [ -x /usr/bin/tput ] && tput setaf 1 >&/dev/null; then
    c_reset='\e[0m'
    c_git_clean='\e[0;32m'
    c_git_dirty='\e[0;31m'
else
    c_reset=
    c_git_clean=
    c_git_dirty=
fi

git_prompt ()
{
    if ! git rev-parse --git-dir > /dev/null 2>&1; then
        return 0
    fi
 
    git_branch=$(git branch 2>/dev/null| sed -n '/^\*/s/^\* //p')
 
    if git diff --quiet 2>/dev/null >&2; then
        git_color="${c_git_clean}"
    else
        git_color=${c_git_dirty}
    fi
 
    echo -e " [$git_color$git_branch${c_reset}] "
}

# This version of $PS1 is the same Ubuntu 20.04 has by default, with the addtion of the git info,
# you can setup instead $PROMPT_COMMAND like https://raw.githubusercontent.com/mr-sudaca/dotfiles/master/files/prompt
PS1='\[\e]0;\u@\h: \w\a\]${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\[\e[0m\]$(git_prompt)\$ '