Custom $PS1

function git_unpushed() {
    brinfo=$(git branch -v)
    if [[ $brinfo =~ ("[ahead "([[:digit:]]*)]) ]]
    then
        echo "Not Pushed: ${BASH_REMATCH[2]}"
        return 1
    fi
    return 0
}

function git_untracked() {
    untracked=$(git clean --dry-run | wc -l)
    if [ $untracked -gt 0 ]
    then
        echo "Untracked: "$untracked
        return 1
    fi
    return 0
}

function git_stat() {
    status="$(git status --short)"
    m="M:"$(echo "$status" | awk '/^[ ]*M/' | wc -l)    # Modified
    a="A:"$(echo "$status" | awk '/^[ ]*A/' | wc -l)    # Added
    d="D:"$(echo "$status" | awk '/^[ ]*D/' | wc -l)    # Deleted
    r="R:"$(echo "$status" | awk '/^[ ]*R/' | wc -l)    # Renamed
    c="C:"$(echo "$status" | awk '/^[ ]*C/' | wc -l)    # Copied
    u="U:"$(echo "$status" | awk '/^[ ]*\?\?/' | wc -l) # Untracked

    echo "\[\e[97m\][$m $a $d $r $c \[\e[91m\]$u\[\e[97m\]]"
}

function prompt_cmd() {
    LAST_STATUS=$?
    uid="$(id -u)"
    host="\[\e[97m\]\H"
    path="\[\e[94m\]\w"

    # If root
    if [ "$uid" = "0" ];
    then
        user="\[\e[91m\]\u"
        symbol="\[\e[97m\]#"
    else
        # If not root
        user="\[\e[96m\]\u"
        symbol="\[\e[97m\]\$"
    fi

    # If Git Repo
    if [ -d .git ] || git rev-parse --git-dir > /dev/null 2>&1;
    then
        unpushed=$(git_unpushed)
        untracked=$(git_untracked)
        branch=$(__git_ps1)
        stat=$(git_stat)
        git_name=$(basename $(git rev-parse --show-toplevel))
        git_path="\[\e[94m\]/$git_name/"$(git rev-parse --show-prefix)

        # If Clean
        if git diff-index --quiet HEAD --;
        then
            # If Untracked
            if git_untracked &> /dev/null;
            then
                status="\[\e[92m\]$branch" # clean
            else
                status="\[\e[91m\]$branch" # clean w/ untracked
            fi
        else
            # If Untracked
            if git_untracked &> /dev/null;
            then
                if [[ `git status` == *"not staged"* ]];
                then
                    status="\[\e[91m\]$branch $stat" # unadded but clean
                else
                    status="\[\e[93m\]$branch $stat" # added but clean
                fi
            else
                status="\[\e[91m\]$branch $stat" # uncommited & untracked
            fi

        fi

        # If Unpushed
        if git_unpushed &> /dev/null;
        then
            pushed=""
        else
            pushed=$(git_unpushed)
        fi

        second_line=" $git_path\n$status $pushed"
    else
        second_line="\n$path"
    fi

    PS1="\[\e[1m\]$user\[\e[97m\]@$host$second_line\n $symbol \[\e[0m\]"
}

export PROMPT_COMMAND=prompt_cmd