function my_git_prompt() {
   tester=$(git rev-parse --git-dir 2> /dev/null) || return
   
   INDEX=$(git status --porcelain 2> /dev/null)
   STATUS=""
 
   # is branch ahead?
   if $(echo "$(git log origin/$(current_branch)..HEAD 2> /dev/null)" | grep '^commit' &> /dev/null); then
     STATUS="$STATUS$ZSH_THEME_GIT_PROMPT_AHEAD"
   fi
 
   # is anything staged?
   if $(echo "$INDEX" | grep -E -e '^(D[ M]|[MARC][ MD]) ' &> /dev/null); then
     STATUS="$STATUS$ZSH_THEME_GIT_PROMPT_STAGED"
   fi
 
   # is anything unstaged?
   if $(echo "$INDEX" | grep -E -e '^[ MARC][MD] ' &> /dev/null); then
     STATUS="$STATUS$ZSH_THEME_GIT_PROMPT_UNSTAGED"
   fi
 
   # is anything untracked?
   if $(echo "$INDEX" | grep '^?? ' &> /dev/null); then
     STATUS="$STATUS$ZSH_THEME_GIT_PROMPT_UNTRACKED"
   fi
 
   # is anything unmerged?
   if $(echo "$INDEX" | grep -E -e '^(A[AU]|D[DU]|U[ADU]) ' &> /dev/null); then
     STATUS="$STATUS$ZSH_THEME_GIT_PROMPT_UNMERGED"
   fi
 
   if [[ -n $STATUS ]]; then
     STATUS=" $STATUS"
   fi
 
   echo "$ZSH_THEME_GIT_PROMPT_PREFIX$(my_current_branch)$STATUS$ZSH_THEME_GIT_PROMPT_SUFFIX"
 }
 
 function my_current_branch() {
   echo $(current_branch || echo "(no branch)")
 }
 
 function ssh_connection() {
   if [[ -n $SSH_CONNECTION ]]; then
     echo "%{$fg_bold[red]%}(ssh) "
   fi
 }
 
 PROMPT=$'\n$(ssh_connection)%{$fg_bold[green]%}%n@%m%{$reset_color%}$(my_git_prompt) : %~\n%# '
 
 ZSH_THEME_PROMPT_RETURNCODE_PREFIX="%{$fg_bold[red]%}"
 ZSH_THEME_GIT_PROMPT_PREFIX=" $fg[white]‹ %{$fg_bold[yellow]%}"
 ZSH_THEME_GIT_PROMPT_AHEAD="%{$fg_bold[magenta]%}↑"
 ZSH_THEME_GIT_PROMPT_STAGED="%{$fg_bold[green]%}●"
 ZSH_THEME_GIT_PROMPT_UNSTAGED="%{$fg_bold[red]%}●"
 ZSH_THEME_GIT_PROMPT_UNTRACKED="%{$fg_bold[white]%}●"
 ZSH_THEME_GIT_PROMPT_UNMERGED="%{$fg_bold[red]%}✕"
 ZSH_THEME_GIT_PROMPT_SUFFIX=" $fg_bold[white]›%{$reset_color%}"