From dc640860ac8d375fbb9443b74c7f423ec27dace0 Mon Sep 17 00:00:00 2001
From: Sindre Sorhus <sindresorhus@gmail.com>
Date: Wed, 1 May 2013 17:05:40 +0200
Subject: [PATCH] Improve logic for checking if inside a git repo

---
 prompt.zsh | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/prompt.zsh b/prompt.zsh
index 4107c95..dcb4356 100644
--- a/prompt.zsh
+++ b/prompt.zsh
@@ -34,8 +34,10 @@ zstyle ':vcs_info:git*' actionformats ' %b|%a'
 
 # Fastest possible way to check if repo is dirty
 git_dirty() {
-	[ -d .git ] || return
-	command git diff --quiet --ignore-submodules HEAD 2>/dev/null; [ $? -eq 1 ] && echo '*'
+	# check if we're in a git repo
+	command git rev-parse --is-inside-work-tree &>/dev/null || return
+	# check if it's dirty
+	command git diff --quiet --ignore-submodules HEAD &>/dev/null; [ $? -eq 1 ] && echo '*'
 }
 
 # Displays the exec time of the last command if set threshold was exceeded