From 8217193b73a32398a7538b9c0bb004ff23ea2222 Mon Sep 17 00:00:00 2001
From: Philip Hofstetter <phofstetter@sensational.ch>
Date: Wed, 28 Dec 2011 15:02:11 +0100
Subject: [PATCH] don't assume "origin" in git_prompt_ahead()

it's possible that you are working on a tracking branch that tracks
something else than origin.

This uses the new git_current_upstream() function to determine the
remote of the branch that is currently being tracked
---
 lib/git.zsh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/git.zsh b/lib/git.zsh
index defa062c6..805345663 100644
--- a/lib/git.zsh
+++ b/lib/git.zsh
@@ -15,7 +15,7 @@ parse_git_dirty() {
 
 # Checks if there are commits ahead from remote
 function git_prompt_ahead() {
-  if $(echo "$(git log origin/$(current_branch)..HEAD 2> /dev/null)" | grep '^commit' &> /dev/null); then
+  if $(echo "$(git log $(git_current_upstream)/$(current_branch)..HEAD 2> /dev/null)" | grep '^commit' &> /dev/null); then
     echo "$ZSH_THEME_GIT_PROMPT_AHEAD"
   fi
 }