From 57346b7fcd63fe746491d088864e5f8d2c0822c3 Mon Sep 17 00:00:00 2001
From: Anthony Young <sleepsonthefloor@gmail.com>
Date: Fri, 11 Nov 2011 13:53:56 -0800
Subject: [PATCH] show how to uninstall jenkins if there are issues upgrading

---
 tools/jenkins/jenkins_home/build_jenkins.sh | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/tools/jenkins/jenkins_home/build_jenkins.sh b/tools/jenkins/jenkins_home/build_jenkins.sh
index 9a32a0a..7d68679 100755
--- a/tools/jenkins/jenkins_home/build_jenkins.sh
+++ b/tools/jenkins/jenkins_home/build_jenkins.sh
@@ -25,6 +25,13 @@ echo "deb http://pkg.jenkins-ci.org/debian binary/" > /etc/apt/sources.list.d/je
 wget -q -O - http://pkg.jenkins-ci.org/debian/jenkins-ci.org.key | sudo apt-key add -
 apt-get update
 
+
+# Clean out old jenkins - useful if you are having issues upgrading
+CLEAN_JENKINS=${CLEAN_JENKINS:-no}
+if [ "$CLEAN_JENKINS" = "yes" ] then;
+    apt-get remove jenkins jenkins-common
+fi
+
 # Install software
 DEPS="jenkins cloud-utils"
 apt-get install -y --force-yes $DEPS