Misc/vcs_info-examples - "git-st" snippet broken?

["Suraj N. Kurapati" <sunaku@xxxxxxxxx>]

Hello,

I'm using zsh 4.3.12 (x86_64-unknown-linux-gnu) and have added the
"git-st" snippet shown below to my .zshrc file from the ZSH git
repository's Misc/vcs_info-examples file.  The problem is that
+vi-git-st() isn't being called automatically by vcs_info().

What am I doing wrong?

Thanks for your consideration.

####################################################################

# my "sunaku" prompt from oh-my-zsh (see http://ompldr.org/vOHcwZg)
local prompt_user_color='green'
test $UID -eq 0 && prompt_user_color='red'
PROMPT='%(?..%B%F{red}exit %?%f%b
)'\
'$(vcs_info && echo $vcs_info_msg_0_)'\
'%F{$prompt_user_color}%~%b'\
'%(!.#.>) '
RPROMPT='%F{cyan}%@%f'

# VCS integration for ZSH command prompt
autoload -Uz vcs_info
zstyle ':vcs_info:*' stagedstr '%F{green}+%f'
zstyle ':vcs_info:*' unstagedstr '%F{yellow}!%f'
zstyle ':vcs_info:*' check-for-changes true
local prompt_vcs_branch='%m%B%c%u%%b%b'
zstyle ':vcs_info:*' formats "$prompt_vcs_branch "
zstyle ':vcs_info:*' actionformats "$prompt_vcs_branch
%B%F{red}%s:%a%f%%b "

### git: Show +N/-N when your local branch is ahead-of or behind remote
HEAD. # Make sure you have added misc to your 'formats':  %m
zstyle ':vcs_info:git*+set-message:*' hooks git-st
function +vi-git-st() {
    local ahead behind
    local -a gitstatus

    # for git prior to 1.7
    # ahead=$(git rev-list origin/${hook_com[branch]}..HEAD | wc -l)
    ahead=$(git rev-list ${hook_com[branch]}@{upstream}..HEAD
    2>/dev/null | wc -l) (( $ahead )) && gitstatus+=( "+${ahead}" )

    # for git prior to 1.7
    # behind=$(git rev-list HEAD..origin/${hook_com[branch]} | wc -l)
    behind=$(git rev-list HEAD..${hook_com[branch]}@{upstream}
    2>/dev/null | wc -l) (( $behind )) && gitstatus+=( "-${behind}" )

    hook_com[misc]+=${(j:/:)gitstatus}
}

-- 
Cobol programmers are down in the dumps.

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