my zsh theme which add random emoji based on oh-my-zsh Bureau Theme

zemoji.zsh-theme

# oh-my-zsh Zemoji Theme

### NVM

ZSH_THEME_NVM_PROMPT_PREFIX="%B⬡%b "
ZSH_THEME_NVM_PROMPT_SUFFIX=""

### Git [±master ▾●]

ZSH_THEME_GIT_PROMPT_PREFIX="[%{$fg_bold[green]%}±%{$reset_color%}%{$fg_bold[white]%}"
ZSH_THEME_GIT_PROMPT_SUFFIX="%{$reset_color%}]"
ZSH_THEME_GIT_PROMPT_CLEAN="%{$fg_bold[green]%}✓%{$reset_color%}"
ZSH_THEME_GIT_PROMPT_AHEAD="%{$fg[cyan]%}▴%{$reset_color%}"
ZSH_THEME_GIT_PROMPT_BEHIND="%{$fg[magenta]%}▾%{$reset_color%}"
ZSH_THEME_GIT_PROMPT_STAGED="%{$fg_bold[green]%}●%{$reset_color%}"
ZSH_THEME_GIT_PROMPT_UNSTAGED="%{$fg_bold[yellow]%}●%{$reset_color%}"
ZSH_THEME_GIT_PROMPT_UNTRACKED="%{$fg_bold[red]%}●%{$reset_color%}"

bureau_git_branch () {
  ref=$(command git symbolic-ref HEAD 2> /dev/null) || \
  ref=$(command git rev-parse --short HEAD 2> /dev/null) || return
  echo "${ref#refs/heads/}"
}

bureau_git_status () {
  _INDEX=$(command git status --porcelain -b 2> /dev/null)
  _STATUS=""
  if $(echo "$_INDEX" | grep '^[AMRD]. ' &> /dev/null); then
    _STATUS="$_STATUS$ZSH_THEME_GIT_PROMPT_STAGED"
  fi
  if $(echo "$_INDEX" | grep '^.[MTD] ' &> /dev/null); then
    _STATUS="$_STATUS$ZSH_THEME_GIT_PROMPT_UNSTAGED"
  fi
  if $(echo "$_INDEX" | command grep -E '^\?\? ' &> /dev/null); then
    _STATUS="$_STATUS$ZSH_THEME_GIT_PROMPT_UNTRACKED"
  fi
  if $(echo "$_INDEX" | grep '^UU ' &> /dev/null); then
    _STATUS="$_STATUS$ZSH_THEME_GIT_PROMPT_UNMERGED"
  fi
  if $(command git rev-parse --verify refs/stash >/dev/null 2>&1); then
    _STATUS="$_STATUS$ZSH_THEME_GIT_PROMPT_STASHED"
  fi
  if $(echo "$_INDEX" | grep '^## .*ahead' &> /dev/null); then
    _STATUS="$_STATUS$ZSH_THEME_GIT_PROMPT_AHEAD"
  fi
  if $(echo "$_INDEX" | grep '^## .*behind' &> /dev/null); then
    _STATUS="$_STATUS$ZSH_THEME_GIT_PROMPT_BEHIND"
  fi
  if $(echo "$_INDEX" | grep '^## .*diverged' &> /dev/null); then
    _STATUS="$_STATUS$ZSH_THEME_GIT_PROMPT_DIVERGED"
  fi

  echo $_STATUS
}

bureau_git_prompt () {
  local _branch=$(bureau_git_branch)
  local _status=$(bureau_git_status)
  local _result=""
  if [[ "${_branch}x" != "x" ]]; then
    _result="$ZSH_THEME_GIT_PROMPT_PREFIX$_branch"
    if [[ "${_status}x" != "x" ]]; then
      _result="$_result $_status"
    fi
    _result="$_result$ZSH_THEME_GIT_PROMPT_SUFFIX"
  fi
  echo $_result
}


_PATH="%{%F{green}%}%~%{$reset_color%}"

if [[ $EUID -eq 0 ]]; then
  _USERNAME="%{$fg_bold[red]%}%n"
  _LIBERTY="%{$fg[red]%}#"
else
  _USERNAME="%{$fg_bold[white]%}%n"
  _LIBERTY="%{$fg[green]%}$"
fi
_USERNAME="$_USERNAME%{$reset_color%}@%m"
_LIBERTY="$_LIBERTY%{$reset_color%}"


get_space () {
  local STR=$1$2
  local zero='%([BSUbfksu]|([FB]|){*})'
  local LENGTH=${#${(S%%)STR//$~zero/}}
  local SPACES=""
  (( LENGTH = ${COLUMNS} - $LENGTH - 1))

  for i in {0..$LENGTH}
    do
      SPACES="$SPACES "
    done

  echo $SPACES
}

_1LEFT="$_USERNAME $_PATH"
_1RIGHT="[%*] "

bureau_precmd () {
  _1SPACES=`get_space $_1LEFT $_1RIGHT`
  print
  print -rP "$_1LEFT$_1SPACES$_1RIGHT"
}

EMOJI=(💩 👹 👺 💀 👻 👽 😹 🤖 🐶 🐹 🐻 🐼 🐨 🐯 🦁 🐮 🐷 🐸 🐙 🙈 🐧 🐥 🦄 🐴 🐌 🐠 🐳 🐬 🐋 🐊 🐘 🐫 🐐 🕊 🐎 🐉 🐁 🍀 🌝 🌚 🌞 🍎 ⛄️ 🍋 🌶 🍇 🍉 🍰 🍸 🍹 🍖 ⚽️ 🏀 🏈 ⚾️ 🎾 🏉 🎱 🏐 🎸 🎨 🚅 🚔 🛬 ⛵️ 🏪 💎 🔑 💌 🌐 🀄️ 🕗🇨🇳 🇺🇸 ⌘ 🚀🔬 🍔 💰 💎 💾 🍪 🌍 🍄 )

function random_emoji {
  echo -n "$EMOJI[$RANDOM%$#EMOJI+1]"
}

setopt prompt_subst
# $_LIBERTY comment for the moment
PROMPT='$(random_emoji)  '
RPROMPT='$(nvm_prompt_info) $(bureau_git_prompt)'

autoload -U add-zsh-hook
add-zsh-hook precmd bureau_precmd