fpath=($rvm_path/scripts/zsh/Completion $fpath)
  
  alias rubies='rvm list rubies'
  alias gemsets='rvm gemset list'
  
  local ruby18='ruby-1.8.7'
  local ruby19='ruby-1.9.3'
  local ruby20='ruby-2.0.0'
  local ruby21='ruby-2.1.2'
  
  function rb18 {
  	if [ -z "$1" ]; then
  		rvm use "$ruby18"
  	else
  		rvm use "$ruby18@$1"
  	fi
  }
  
  _rb18() {compadd `ls -1 $rvm_path/gems | grep "^$ruby18@" | sed -e "s/^$ruby18@//" | awk '{print $1}'`}
  compdef _rb18 rb18
  
  function rb19 {
  	if [ -z "$1" ]; then
  		rvm use "$ruby19"
  	else
  		rvm use "$ruby19@$1"
  	fi
  }
  
  _rb19() {compadd `ls -1 $rvm_path/gems | grep "^$ruby19@" | sed -e "s/^$ruby19@//" | awk '{print $1}'`}
  compdef _rb19 rb19
  
  function rb20 {
  	if [ -z "$1" ]; then
  		rvm use "$ruby20"
  	else
  		rvm use "$ruby20@$1"
  	fi
  }
  
  _rb20() {compadd `ls -1 $rvm_path/gems | grep "^$ruby20@" | sed -e "s/^$ruby20@//" | awk '{print $1}'`}
  compdef _rb20 rb20
  
  function rb21 {
  	if [ -z "$1" ]; then
  		rvm use "$ruby21"
  	else
  		rvm use "$ruby21@$1"
  	fi
  }
  
  _rb21() {compadd `ls -1 $rvm_path/gems | grep "^$ruby21@" | sed -e "s/^$ruby21@//" | awk '{print $1}'`}
  compdef _rb21 rb21
  
  function rvm-update {
  	rvm get head
  }
  
  # TODO: Make this usable w/o rvm.
  function gems {
  	local current_ruby=`rvm-prompt i v p`
  	local current_gemset=`rvm-prompt g`

  	gem list $@ | sed -E \
  		-e "s/\([0-9, \.]+( .+)?\)/$fg[blue]&$reset_color/g" \
  		-e "s|$(echo $rvm_path)|$fg[magenta]\$rvm_path$reset_color|g" \
  		-e "s/$current_ruby@global/$fg[yellow]&$reset_color/g" \
  		-e "s/$current_ruby$current_gemset$/$fg[green]&$reset_color/g"

  }
  
  function _rvm_completion {
    source $rvm_path"/scripts/zsh/Completion/_rvm"
  }
  compdef _rvm_completion rvm