rbenv.settings

! [ -e "$HOME/.rbenv" ] && return

export PATH="$HOME/.rbenv/bin:$PATH"
eval "$(rbenv init -)"

go-to-gemdir () {
  local version=`rbenv version`
  if [[ "$version" =~ ^([0-9])\.([0-9]).([0-9]).*$ ]]; then
    local major="${BASH_REMATCH[1]}"
    local minor="${BASH_REMATCH[2]}"
    local patch="${BASH_REMATCH[3]}"

    local gemdir=`gems_directory $major $minor $patch`

    if [ -d "$gemdir" ]; then
      cd $gemdir
    else
      echo "Expected gems directory does not exist"
      echo " $gemdir"
    fi
  else
    echo "Unrecognized rbenv version: '$version'"
  fi
}

gems_directory () {
  local gemdir_tpl="$HOME/.rbenv/versions/_rv_/lib/ruby/gems/_rgv_/gems"
  local rbenv_v="$1.$2.$3"
  local rbenv_gemdir_v="$1.$2.0"

  echo $gemdir_tpl | sed "s/_rv_/$rbenv_v/;s/_rgv_/$rbenv_gemdir_v/"
}