function git_prompt_info() {
  local COLOR="%{$fg_bold[magenta]%}"
  local REF
  local STATUS
  local DIRTY
  local DIRTYM
  local DIRTYA
  local DIRTYD

  REF=$(command git symbolic-ref HEAD --short 2> /dev/null)
  if [[ -z $REF ]]; then
    REF=$(command git rev-parse --short HEAD 2> /dev/null) || return 0
  fi
  STATUS=$(command git status --porcelain)
  if [[ -n $STATUS ]]; then
    DIRTY="*"
    DIRTYM=$(command echo "$STATUS" | grep "^ M" | wc -l 2> /dev/null)
    if [[ $DIRTYM -gt 0 ]]; then
      DIRTY="$DIRTY %{$fg_bold[blue]%}±$DIRTYM$COLOR"
    fi
    DIRTYA=$(command echo "$STATUS" | grep "^??" | wc -l 2> /dev/null)
    if [[ $DIRTYA -gt 0 ]]; then
      DIRTY="$DIRTY %{$fg_bold[green]%}+$DIRTYA$COLOR"
    fi
    DIRTYD=$(command echo "$STATUS" | grep "^ D" | wc -l 2> /dev/null)
    if [[ $DIRTYD -gt 0 ]]; then
      DIRTY="$DIRTY %{$fg_bold[red]%}-$DIRTYD$COLOR"
    fi
  fi
  echo "$COLOR‹${REF}${DIRTY}›%{$reset_color%}"
}

local return_code="%(?..%{$bg[red]%}%{$fg_bold[white]%} ret → %?
%{$reset_color%})"
local prefix_top='%{$fg[cyan]%}╭─%{$reset_color%}'
local prefix_bottom='%{$fg[cyan]%}╰─%{$reset_color%}'
local user_host='%{$fg[cyan]%}%n@%m%{$reset_color%}'
local current_dir='%{$fg_bold[blue]%}%~%{$reset_color%}'
local git_branch='$(git_prompt_info)'

PROMPT="${return_code}${prefix_top} ${user_host}  ${current_dir}  ${git_branch}
${prefix_bottom} "