bash_prompt.sh

   1 # Find executable
   2 flag_bin="%%LOCALBASE%%/bin/flag"
   3 [ ! -x "${flag_bin}" ] && flag_bin="$(which flag 2>/dev/null)"
   4 # Import flag if can and wanted
   5 [ "${flag_bin}" -a ! -f "${HOME}/.noflag" ] && export FLAG="($(${flag_bin} -e))"
   6 # Patch flag into prompt, if not already there
   7 [ "${FLAG}" ] && echo "${PS1}" | grep -q "${FLAG}" || export PS1="${FLAG}${PS1}"