My ZSH prompt

prompt_ryandao_setup

autoload -U colors && colors
autoload -Uz vcs_info
autoload -Uz add-zsh-hook

function bgcolor {
  echo "\033[48;5;"$1"m"
}

function fgcolor {
  echo "\033[38;5;"$1"m"
}

function resetcolor {
  echo "\e[0m"
}

function format_pwd {
  local pwd="${PWD/#$HOME/~}"

  if [[ "$pwd" == (#m)[/~] ]]; then
    echo "$MATCH"
  else
    echo "${${${${(@j:/:M)${(@s:/:)pwd}##.#?}:h}%/}//\%/%%}/${${pwd:t}//\%/%%}"
  fi
}

function prompt_ryandao_precmd {
  psvar=()
  vcs_info
  [[ -n $vcs_info_msg_0_ ]] && psvar[1]=" [$vcs_info_msg_0_]"
}

function prompt_ryandao_setup {
  prompt_opts=(cr percent subst)
  add-zsh-hook precmd prompt_ryandao_precmd

  zstyle ':vcs_info:git*' formats "%b"
  prompt_pwd='$(format_pwd)'
  PROMPT="%U%{$(fgcolor 255)%}%n%u:%{$(fgcolor 166)%}${prompt_pwd}%{$(fgcolor 10)%}%1v%{$(resetcolor)%}$ "
  RPROMPT=""
}

prompt_ryandao_setup