autoload -U is-at-least
autoload -Uz vcs_info
zstyle ':vcs_info:*' enable git hg
vcs_format="%F{green}%S%f‹%F{blue}%b%f‹%F{yellow}%r%f"
if is-at-least 4.3.11; then
    zstyle ':vcs_info:*' stagedstr "%F{red}±%f"
    zstyle ':vcs_info:*' unstagedstr "%F{yellow}≠%f"
    zstyle ':vcs_info:*' check-for-changes true
    vcs_format="%c%u $vcs_format"
fi
zstyle ':vcs_info:*' formats "$vcs_format"
zstyle ':vcs_info:*' actionformats "%F{red}%a%f $vcs_format"

# vim: ft=zsh