Add commits ahead to prompt

themes/gentoo-wilder.zsh-theme

@@ -5,10 +5,12 @@ function prompt_char {
         echo '%#'
 }
 
-PROMPT='%(!.%{$fg_bold[red]%}.%{$fg_bold[green]%}%n@)%m %{$fg_bold[blue]%}%(!.%1~.%~)$(git_prompt_info)%_ $(prompt_char)%{$reset_color%} '
+PROMPT='%(!.%{$fg_bold[red]%}.%{$fg_bold[green]%}%n@)%m %{$fg_bold[blue]%}%(!.%1~.%~)$(git_prompt_info)$(git_commits_ahead)%_ $(prompt_char)%{$reset_color%} '
 
 ZSH_THEME_GIT_PROMPT_PREFIX="%{\033[0;36m%}·"
 ZSH_THEME_GIT_PROMPT_SUFFIX="%{$fg_bold[blue]%}"
 ZSH_THEME_GIT_PROMPT_DIRTY="%{$fg[green]%}!"
 ZSH_THEME_GIT_PROMPT_UNTRACKED="%{$fg[green]%}?"
 ZSH_THEME_GIT_PROMPT_CLEAN=""
+ZSH_THEME_GIT_COMMITS_AHEAD_PREFIX="%{\033[0;36m%} "
+ZSH_THEME_GIT_COMMITS_AHEAD_SUFFIX="↑%{$fg_bold[blue]%}"