prompt.sh

# prompt customization for .bashrc
# `root` has a red prompt, others a yellow/brown one.
# If we are connected remotely, `@<hostname>` shows first.
build_ps1() {
    local prompt_color='\[\e[33m\]'
    local host=''
    [[ $UID -eq 0 ]] && prompt_color='\[\e[1;31m\]'
    [[ $SSH_TTY ]] && host="@$HOSTNAME "
    echo "${prompt_color}${host}\w\[\e[0m\]"
}
PS1="$(build_ps1)\$(__git_ps1) \$ "
PS2='\\ '
PS4='+ $LINENO: '