My zshell prompt theme, a bastardization of robbyrussel & kolo themes

nina.zsh-theme

autoload -Uz vcs_info

zstyle ':vcs_info:*' stagedstr '%F{green}●'
zstyle ':vcs_info:*' unstagedstr '%F{yellow}●'
zstyle ':vcs_info:*' check-for-changes true
zstyle ':vcs_info:(sv[nk]|bzr):*' branchformat '%b%F{1}:%F{11}%r'
zstyle ':vcs_info:*' enable git svn
theme_precmd () {
    if [[ -z $(git ls-files --other --exclude-standard 2> /dev/null) ]] {
        zstyle ':vcs_info:*' formats '%c%u%B%F{green} '
    } else {
        zstyle ':vcs_info:*' formats '%c%u%B%F{red}● '
    }

    vcs_info
}

setopt prompt_subst
local ret_status="%(?:%{$fg_bold[green]%}➜ :%{$fg_bold[red]%}➜ %s)"

PROMPT='%{$fg_bold[green]%}%p %{$fg[cyan]%}%c %{$fg_bold[blue]%}$(git_prompt_info)%{$fg_bold[blue]%} %{$reset_color%}%{$fg[blue]%}%{$reset_color%}${vcs_info_msg_0_}%{$reset_color%}${ret_status}%{$reset_color%}'

ZSH_THEME_GIT_PROMPT_PREFIX="(%{$fg[green]%}"
ZSH_THEME_GIT_PROMPT_SUFFIX="%{$reset_color%}"
ZSH_THEME_GIT_PROMPT_DIRTY="%{$fg[blue]%})%{$reset_color%}"
ZSH_THEME_GIT_PROMPT_CLEAN="%{$fg[blue]%})"

autoload -U add-zsh-hook
add-zsh-hook precmd  theme_precmd