From 6c77b81b43c2e74d91a5198429a4c908e954477f Mon Sep 17 00:00:00 2001
From: Henrik Lissner <henrik@lissner.net>
Date: Sat, 12 Dec 2015 17:31:28 -0500
Subject: [PATCH] zsh: backward compatibility fix (syntax error in zsh5.0)

---
 zsh/prompt.zsh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/zsh/prompt.zsh b/zsh/prompt.zsh
index 972dd2cd..fac28f71 100644
--- a/zsh/prompt.zsh
+++ b/zsh/prompt.zsh
@@ -29,7 +29,7 @@ prompt_git_dirty() {
     # check if we're in a git repo
     [[ "$(command git rev-parse --is-inside-work-tree 2>/dev/null)" == "true" ]] || return
     # check if it's dirty
-    [[ "$(git status --porcelain --ignore-submodules -unormal)" ]] || return
+    command test -n "$(git status --porcelain --ignore-submodules -unormal)" || return
 
     echo -n "%F{red}[+]"
     local r=$(command git rev-list --right-only --count HEAD...@'{u}' 2>/dev/null)