From 02f87f14a974e43954f9398c7644dad84a87e3ec Mon Sep 17 00:00:00 2001
From: Jonathan Dahan <jonathan@jedahan.com>
Date: Mon, 16 Sep 2013 09:49:51 +0200
Subject: [PATCH] fix quoting and simplify upstream reference check

Closes #19
---
 pure.zsh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pure.zsh b/pure.zsh
index 0a48996..88123eb 100644
--- a/pure.zsh
+++ b/pure.zsh
@@ -61,7 +61,7 @@ prompt_pure_precmd() {
 		# check if we're in a git repo
 		command git rev-parse --is-inside-work-tree &>/dev/null || return
 		# check check if there is anything to pull
-		command git fetch && (($(git rev-list --count HEAD...$(git rev-parse --abbrev-ref @{u})) > 0)) &&
+		command git fetch && (( $(git rev-list --count HEAD...@'{u}' 2>/dev/null) > 0 )) &&
 		# some crazy ansi magic to inject the symbol into the previous line
 		printf "\e[A\e[`prompt_pure_string_length $prompt_pure_preprompt`C\e[90m⇣\e[0m\n\e[2C"
 	} &!