prezto/plugins/ruby/init.zsh

# Install local gems according to Mac OS X conventions.
if [[ "$OSTYPE" == darwin* ]]; then
  export GEM_HOME=$HOME/Library/Ruby/Gems/1.8
  export PATH=$GEM_HOME/bin:$PATH

  # gem is slow; cache its output.
  cache_file="${0:h}/cache.zsh"
  if [[ ! -f "$cache_file" ]]; then
    echo export GEM_PATH=$GEM_HOME:$(gem env gempath) >! "$cache_file"
    source "$cache_file"
  else
    source "$cache_file"
  fi
  unset cache_file
fi

# Loads RVM into the shell session.
if [[ -s "$HOME/.rvm/scripts/rvm" ]]; then
  # Auto adding variable-stored paths to ~ list conflicts with RVM.
  unsetopt auto_name_dirs

  # Source RVM.
  source "$HOME/.rvm/scripts/rvm"
fi

# Loads rbenv into the shell session.
if [[ -s "$HOME/.rbenv/bin/rbenv" ]]; then
  path=("$HOME/.rbenv/bin" $path)
  eval "$(rbenv init -)"
fi

# Set environment variables for launchd processes.
if [[ "$OSTYPE" == darwin* ]]; then
  for env_var in GEM_PATH GEM_HOME; do
    launchctl setenv "$env_var" "${(P)env_var}" &!
  done
  unset env_var
fi