# Get the name of the current branch.
function rvm_prompt_info() {
  local ruby_version=$(~/.rvm/bin/rvm-prompt 2> /dev/null)
  if [[ -n "$ruby_version" ]]; then
	echo "($ruby_version)"
  fi
}

alias rubies='rvm list rubies'
alias gemsets='rvm gemset list'

local ruby18='ruby-1.8.7-p334'
local ruby19='ruby-1.9.2-p180'

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 rvm-update {
	rvm get head
	rvm reload # TODO: Reload rvm completion?
}

function rvm-link-completion {
	ln -s "$rvm_path/scripts/zsh/Completion/_rvm" "$ZSH/plugins/rvm/_rvm.official"
}

# 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 \
		-Ee "s/\([0-9\.]+( .+)?\)/$fg[blue]&$reset_color/g" \
		-Ee "s|$(echo $rvm_path)|$fg[magenta]\$rvm_path$reset_color|g" \
		-Ee "s/$current_ruby@global/$fg[yellow]&$reset_color/g" \
		-Ee "s/$current_ruby$current_gemset$/$fg[green]&$reset_color/g"
}