Dollar sign instead of percent in unprivileged user prompt (as in real gentoo)

themes/gentoo.zsh-theme

-PROMPT='%(!.%{$fg_bold[red]%}.%{$fg_bold[green]%}%n@)%m %{$fg_bold[blue]%}%(!.%1~.%~) $(git_prompt_info)%#%{$reset_color%} '
+function prompt_char {
+	if [ $UID -eq 0 ]; then echo "#"; else echo $; fi
+}
+
+PROMPT='%(!.%{$fg_bold[red]%}.%{$fg_bold[green]%}%n@)%m %{$fg_bold[blue]%}%(!.%1~.%~) $(git_prompt_info)%_$(prompt_char)%{$reset_color%} '
 
 ZSH_THEME_GIT_PROMPT_PREFIX="("
 ZSH_THEME_GIT_PROMPT_SUFFIX=") "