Adding RVM to bash

gistfile1.txt

export PS1="wd: \[\e[32m\]\W\[\e[0m\]\[\e[0;31m\]\[$IRED\] (ruby v: \$(rvm_version))\$(parse_git_branch)$\n⛵  \[\e[0m\]"

#prints this #=> wd: sql-book-ruby-004 (ruby v: 2.1.0) (master ✔)$

function rvm_version {
  local gemset=$(echo $GEM_HOME | awk -F'@' '{print $2}')
  [ "$gemset" != "" ] && gemset="@$gemset"
  local version=$(echo $MY_RUBY_HOME | awk -F'-' '{print $2}')
  [ "$version" != "" ] && version="$version"
  local full="$version$gemset"
  [ "$full" != "" ] && echo "${full}" # add characters in between the closing curly bracket and the quotation mark.
}

# ADD THIS TO PS1 = "\[$IRED\]\$(rvm_version)\[$NO_COLOR\]\W\[$IGRN\][$NO_COLOR\] \$"
#^^^^^^this said to add all that, but I got away without the end, which I think just tells it where the red coloring should end.