Moved each theme under its own directory and changed the file extension.

themes/kolo/kolo.theme.zsh

@@ -0,0 +1,21 @@
+autoload -U colors && colors
+
+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
+precmd () {
+    if [[ -z $(git ls-files --other --exclude-standard 2> /dev/null) ]] {
+        zstyle ':vcs_info:*' formats ' [%b%c%u%B%F{green}]'
+    } else {
+        zstyle ':vcs_info:*' formats ' [%b%c%u%B%F{red}●%F{green}]'
+    }
+
+    vcs_info
+}
+
+setopt prompt_subst
+PROMPT='%B%F{magenta}%c%B%F{green}${vcs_info_msg_0_}%B%F{magenta} %{$reset_color%}%% '