bash script that displays the current ruby in use by rvm as part of the prompt

rvm_prompt.bash

function red_text {
  local LIGHT_RED="\[\033[1;31m\]"
  local NO_COLOR="\[\033[0m\]"
  echo "$LIGHT_RED$1$NO_COLOR"
}

function green_text {
  local LIGHT_GREEN="\[\033[1;32m\]"
  local NO_COLOR="\[\033[0m\]"
  echo "$LIGHT_GREEN$1$NO_COLOR"
}

function rvm_prompt {
  local RVM_PROMPT_CMD="~/.rvm/bin/rvm-prompt i v g s"
  echo "'\$($RVM_PROMPT_CMD)'"
}

function include_rvm_in_prompt {
  PS1="\n$(red_text ':rvm') => $(green_text "$(rvm_prompt)")\n$PS1"
}

include_rvm_in_prompt