Coloured Git Status in Your Bash Prompt

.bashrc

# User specific aliases and functions

function _git_prompt() {
    local git_status="`git status -unormal 2>&1`"
    if ! [[ "$git_status" =~ Not\ a\ git\ repo ]]; then
        if [[ "$git_status" =~ nothing\ to\ commit ]]; then
            local ansi=32
        elif [[ "$git_status" =~ nothing\ added\ to\ commit\ but\ untracked\ files\ present ]]; then
            local ansi=34
        else
            local ansi=33
        fi
        echo -n '\[\e[0;33;'"$ansi"'m\]'"$(__git_ps1)"'\[\e[0m\]'
    fi
}
function _prompt_command() {
  PS1="[\[\033[32m\]\w\[\033[0m\]]\[\033[0m\]\n\[\033[1;36m\]\u@\[\033[0;37m\]\h] `_git_prompt` \[\033[1;33m\]: \[\033[0m\]"
}
  PROMPT_COMMAND=_prompt_command

Add the code in .bashrc or .bash_profile