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  #!/usr/bin/env zsh
  # #
  # # #README
  # #
  # # This theme provides two customizable header functionalities:
  # # a) displaying a pseudo-random message from a database of quotations
  # # (https://en.wikipedia.org/wiki/Fortune_%28Unix%29)
  # # b) displaying randomly command line tips from The command line fu
  # # (http://www.commandlinefu.com) community: in order to make use of this functionality
  # # you will need Internet connection.
  # # This theme provides as well information for the current user's context, like;
  # # branch and status for the current version control system (git and svn currently
  # # supported) and time, presented to the user in a non invasive volatile way.
  # #
  # # #REQUIREMENTS
  # # This theme requires wget::
  # # -Homebrew-osx- brew install wget
  # # -Debian/Ubuntu- apt-get install wget
  # # and fortune ::
  # # -Homebrew-osx- brew install fortune
  # # -Debian/Ubuntu- apt-get install fortune
  # #
  # # optionally:
  # # -Oh-myzsh vcs plug-ins git and svn.
  # # -Solarized theme (https://github.com/altercation/solarized/)
  # # -OS X: iTerm 2 (http://www.iterm2.com/)
  # # -font Source code pro (https://github.com/adobe/source-code-pro)
  # #
  # # This theme's look and feel is based on the Aaron Toponce's zsh theme, more info:
  # # http://pthree.org/2008/11/23/727/
  # # enjoy!
  ########## COLOR ###########
  for COLOR in CYAN WHITE YELLOW MAGENTA BLACK BLUE RED DEFAULT GREEN GREY; do
      eval PR_$COLOR='%{$fg[${(L)COLOR}]%}'
      eval PR_BRIGHT_$COLOR='%{$fg_bold[${(L)COLOR}]%}'
  done
  PR_RESET="%{$reset_color%}"
  RED_START="${PR_RESET}${PR_GREY}<${PR_RESET}${PR_RED}<${PR_BRIGHT_RED}<${PR_RESET} "
  RED_END="${PR_RESET}${PR_BRIGHT_RED}>${PR_RESET}${PR_RED}>${PR_GREY}>${PR_RESET} "
  GREEN_END="${PR_RESET}${PR_BRIGHT_GREEN}>${PR_RESET}${PR_GREEN}>${PR_GREY}>${PR_RESET} "
  GREEN_BASE_START="${PR_RESET}${PR_GREY}>${PR_RESET}${PR_GREEN}>${PR_BRIGHT_GREEN}>${PR_RESET}"
  GREEN_START_P1="${PR_RESET}${GREEN_BASE_START}${PR_RESET} "
  DIVISION="${PR_RESET}${PR_RED} < ${PR_RESET}"
  VCS_DIRTY_COLOR="${PR_RESET}${PR_YELLOW}"
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  VCS_CLEAN_COLOR="${PR_RESET}${PR_GREEN}"
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  VCS_SUFIX_COLOR="${PR_RESET}${PR_RED}› ${PR_RESET}"
  # ########## COLOR ###########
  # ########## SVN ###########
  ZSH_THEME_SVN_PROMPT_PREFIX="${PR_RESET}${PR_RED}‹svn:"
  ZSH_THEME_SVN_PROMPT_SUFFIX=""
  ZSH_THEME_SVN_PROMPT_DIRTY="${VCS_DIRTY_COLOR} ✘${VCS_SUFIX_COLOR}"
  ZSH_THEME_SVN_PROMPT_CLEAN="${VCS_CLEAN_COLOR} ✔${VCS_SUFIX_COLOR}"
  # ########## SVN ###########
  # ########## GIT ###########
  ZSH_THEME_GIT_PROMPT_PREFIX="${PR_RESET}${PR_RED}‹git:"
  ZSH_THEME_GIT_PROMPT_SUFFIX=""
  ZSH_THEME_GIT_PROMPT_DIRTY="${VCS_DIRTY_COLOR} ✘${VCS_SUFIX_COLOR}"
  ZSH_THEME_GIT_PROMPT_CLEAN="${VCS_CLEAN_COLOR} ✔${VCS_SUFIX_COLOR}"
  ZSH_THEME_GIT_PROMPT_ADDED="${PR_RESET}${PR_YELLOW} ✚${PR_RESET}"
  ZSH_THEME_GIT_PROMPT_MODIFIED="${PR_RESET}${PR_YELLOW} ✹${PR_RESET}"
  ZSH_THEME_GIT_PROMPT_DELETED="${PR_RESET}${PR_YELLOW} ✖${PR_RESET}"
  ZSH_THEME_GIT_PROMPT_RENAMED="${PR_RESET}${PR_YELLOW} ➜${PR_RESET}"
  ZSH_THEME_GIT_PROMPT_UNMERGED="${PR_RESET}${PR_YELLOW} ═${PR_RESET}"
  ZSH_THEME_GIT_PROMPT_UNTRACKED="${PR_RESET}${PR_YELLOW} ✭${PR_RESET}"
  # ########## GIT ###########
  function precmd {
      #gets the fortune
      ps1_fortune () {
          #Choose from all databases, regardless of whether they are considered "offensive"
          fortune -a
      }
      #obtains the tip
      ps1_command_tip () {
          wget -qO - http://www.commandlinefu.com/commands/random/plaintext | sed 1d | sed '/^$/d'
      }
      prompt_header () {
          if [[ "true" == "$ENABLE_COMMAND_TIP" ]]; then
              ps1_command_tip
          else
              ps1_fortune
          fi
      }
      PROMPT_HEAD="${RED_START}${PR_YELLOW}$(prompt_header)${PR_RESET}"
      # set a simple variable to show when in screen
      if [[ -n "${WINDOW}" ]]; then
          SCREEN=""
      fi
  }
  
  # Context: user@directory or just directory
  prompt_context () {
      if [[ "$USER" != "$DEFAULT_USER" || -n "$SSH_CLIENT" ]]; then
          echo -n "${PR_RESET}${PR_RED}$USER@%m${PR_RESET}${PR_BRIGHT_YELLOW}%~%<<${PR_RESET}"
      else
          echo -n "${PR_RESET}${PR_BRIGHT_YELLOW}%~%<<${PR_RESET}"
      fi
  }
  
  set_prompt () {
      # required for the prompt
      setopt prompt_subst
      autoload zsh/terminfo
  
      # ######### PROMPT #########
      PROMPT='${PROMPT_HEAD}
  ${RED_START}$(prompt_context)
  ${GREEN_START_P1}'
      RPROMPT='${PR_RESET}$(git_prompt_info)$(svn_prompt_info)${PR_YELLOW}%D{%R.%S %a %b %d %Y} ${GREEN_END}${PR_RESET}'
      # Matching continuation prompt
      PROMPT2='${GREEN_BASE_START}${PR_RESET} %_ ${GREEN_BASE_START}${PR_RESET} '
      # ######### PROMPT #########
  }
  
  set_prompt