fix git-diff check

1 files changed, 2 insertions, 2 deletions

diff --git a/deploy.sh b/deploy.sh
index 1115958..1535f5b 100755
--- a/deploy.sh
+++ b/deploy.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 command -v find >/dev/null 2>&1 || { echo >&2 "I require find but it's not installed.  Aborting."; exit 1; }
 command -v xargs >/dev/null 2>&1 || { echo >&2 "I require xargs but it's not installed.  Aborting."; exit 1; }
@@ -15,7 +15,7 @@ if [ `git rev-parse --verify origin/master` != `git rev-parse --verify master` ]
 	exit 2
 fi
 
-if git diff --exit-code >/dev/null || git diff --cached --exit-code >/dev/null; then
+if ! (git diff --exit-code >/dev/null || git diff --cached --exit-code >/dev/null); then
 	echo "You have uncomitted changes. They would not be deployed. aborting"
 	exit 2
 fi