From be2edcdc724010c7b9e86a688288b12f4fa8742c Mon Sep 17 00:00:00 2001
From: Michele Bologna <michele.bologna@gmail.com>
Date: Tue, 26 May 2015 12:22:11 +0200
Subject: [PATCH] return if not inside git worktree to maintain compatibility
 with existing themes that use git_prompt_info()

---
 lib/git.zsh | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/lib/git.zsh b/lib/git.zsh
index 1b68fcb73..5d7b76666 100644
--- a/lib/git.zsh
+++ b/lib/git.zsh
@@ -78,11 +78,12 @@ function git_prompt_long_sha() {
 git_prompt_status() {
   INDEX=$(command git status --porcelain -b 2> /dev/null)
   STATUS=""
-  $(git diff --no-ext-diff --quiet --exit-code) ||  STATUS="$STATUS$ZSH_THEME_GIT_PROMPT_MODIFIED"
   repo_info=$(git rev-parse --git-dir --is-inside-git-dir --is-bare-repository --is-inside-work-tree --short HEAD 2>/dev/null)
-  if [ $? -eq 0 ]; then
-      $(git diff-index --cached --quiet HEAD --) ||  STATUS="$STATUS$ZSH_THEME_GIT_PROMPT_ADDED"
+  if [ -z $repo_info ]; then 
+    return
   fi
+  $(git diff --no-ext-diff --quiet --exit-code) ||  STATUS="$STATUS$ZSH_THEME_GIT_PROMPT_MODIFIED"
+  $(git diff-index --cached --quiet HEAD --) ||  STATUS="$STATUS$ZSH_THEME_GIT_PROMPT_ADDED"
   if $(git ls-files --others --exclude-standard --error-unmatch -- ':/*' >/dev/null 2>/dev/null); then
    STATUS="$STATUS$ZSH_THEME_GIT_PROMPT_UNTRACKED"
   fi