From a352f54870e8d8f5e81a95c9116d300ca0df065c Mon Sep 17 00:00:00 2001
From: Michael Stucki <michael.stucki@typo3.org>
Date: Fri, 3 Apr 2015 19:58:10 +0200
Subject: [PATCH] Fix check if build is needed

---
 CHANGELOG.md | 2 ++
 run.sh       | 4 ++--
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0990295..f7d4841 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,8 @@ All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased][unreleased]
+### Fixed
+- Fix check if build is needed
 
 ## [0.3.0] - 2015-03-31
 ### Added
diff --git a/run.sh b/run.sh
index fb9ab5b..84450ca 100755
--- a/run.sh
+++ b/run.sh
@@ -15,11 +15,11 @@ mkdir -p $SOURCE
 mkdir -p $CCACHE
 
 # Build image if needed
-IMAGE_EXISTS=$(docker images $REPOSITORY | grep "$TAG")
+IMAGE_EXISTS=$(docker images $REPOSITORY)
 if [ $? -ne 0 ]; then
 	echo "docker command not found"
 	exit $?
-elif [[ -z $IMAGE_EXISTS ]] || [[ $FORCE_BUILD = 1 ]]; then
+elif [[ $FORCE_BUILD = 1 ]] || ! echo "$IMAGE_EXISTS" | grep -q "$TAG"; then
 	echo "Building Docker image $REPOSITORY:$TAG..."
 	docker build -t $REPOSITORY:$TAG .
 fi