From a481661251fc48dbd8f28e23fb2d4e2fbd3d1e80 Mon Sep 17 00:00:00 2001
From: David Aguilar <davvid@gmail.com>
Date: Sun, 1 Apr 2012 20:28:58 -0700
Subject: [PATCH] lib/git.zsh: Allow themes to opt-out of an expensive git
 status call

If neither DIRTY nor CLEAN is defined then this function is a noop,
so check up-front before making the call.

This speeds up prompts that empty out these values.
---
 lib/git.zsh | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/git.zsh b/lib/git.zsh
index b8b5bab61..148695643 100644
--- a/lib/git.zsh
+++ b/lib/git.zsh
@@ -8,6 +8,11 @@ function git_prompt_info() {
 
 # Checks if working tree is dirty
 parse_git_dirty() {
+  if [[ -z "$ZSH_THEME_GIT_PROMPT_DIRTY" &&
+        -z "$ZSH_THEME_GIT_PROMPT_CLEAN" ]]; then
+    return
+  fi
+
   local SUBMODULE_SYNTAX=''
   local GIT_STATUS=''
   local CLEAN_MESSAGE='nothing to commit (working directory clean)'