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repos/robbyrussell/oh-my-zsh/plugins/chruby/chruby.plugin.zsh 2.23 KB
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  #
  # INSTRUCTIONS
  #
  #  With either a manual or brew installed chruby things should just work.
  #
  #  If you'd prefer to specify an explicit path to load chruby from
  #  you can set variables like so:
  #
  #    zstyle :omz:plugins:chruby path /local/path/to/chruby.sh
  #    zstyle :omz:plugins:chruby auto /local/path/to/auto.sh
  # 
  # TODO
  #  - autodetermine correct source path on non OS X systems
  #  - completion if ruby-install exists
  
  # rvm and rbenv plugins also provide this alias
  alias rubies='chruby'
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  _homebrew-installed() {
      whence brew &> /dev/null
  }
  
  _chruby-from-homebrew-installed() {
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    [ -r $(brew --prefix chruby) ] &> /dev/null
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  }
  
  _ruby-build_installed() {
      whence ruby-build &> /dev/null
  }
  
  _ruby-install-installed() {
      whence ruby-install &> /dev/null
  }
  
  # Simple definition completer for ruby-build
  if _ruby-build_installed; then
      _ruby-build() { compadd $(ruby-build --definitions) }
      compdef _ruby-build ruby-build
  fi
  
  _source_from_omz_settings() {
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      local _chruby_path
      local _chruby_auto
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      zstyle -s :omz:plugins:chruby path _chruby_path
      zstyle -s :omz:plugins:chruby auto _chruby_auto
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      if [[ -r ${_chruby_path} ]]; then
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          source ${_chruby_path}
      fi
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      if [[ -r ${_chruby_auto} ]]; then
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          source ${_chruby_auto}
      fi
  }
  
  _chruby_dirs() {
      chrubydirs=($HOME/.rubies/ $PREFIX/opt/rubies)
      for dir in chrubydirs; do
          if [[ -d $dir ]]; then
              RUBIES+=$dir
          fi
      done
  }
  
  if _homebrew-installed && _chruby-from-homebrew-installed ; then
      source $(brew --prefix chruby)/share/chruby/chruby.sh
      source $(brew --prefix chruby)/share/chruby/auto.sh
      _chruby_dirs
  elif [[ -r "/usr/local/share/chruby/chruby.sh" ]] ; then
      source /usr/local/share/chruby/chruby.sh
      source /usr/local/share/chruby/auto.sh
      _chruby_dirs
  else
      _source_from_omz_settings
      _chruby_dirs
  fi
  
  function ensure_chruby() {
      $(whence chruby)
  }
  
  function current_ruby() {
      local _ruby
      _ruby="$(chruby |grep \* |tr -d '* ')"
      if [[ $(chruby |grep -c \*) -eq 1 ]]; then
          echo ${_ruby}
      else
          echo "system"
      fi
  }
  
  function chruby_prompt_info() {
      echo "$(current_ruby)"
  }
  
  # complete on installed rubies
  _chruby() { compadd $(chruby | tr -d '* ') }
  compdef _chruby chruby