From 6824181354f05a1941b8d74e53abce20fa6bbabc Mon Sep 17 00:00:00 2001
From: James Slagle <jslagle@redhat.com>
Date: Thu, 24 Apr 2014 16:50:36 -0400
Subject: [PATCH] Add package uninstall support

Adds the ability to uninstall packages to our install-packages scripts.

Change-Id: I72e0252968a151d71176aa479c7233f6df0a10ac
---
 elements/dpkg/bin/install-packages | 3 +++
 elements/yum/bin/install-packages  | 6 +++++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/elements/dpkg/bin/install-packages b/elements/dpkg/bin/install-packages
index fb62429b..d1d925fe 100755
--- a/elements/dpkg/bin/install-packages
+++ b/elements/dpkg/bin/install-packages
@@ -29,6 +29,9 @@ install_deb_packages () {
 if [ "$1" = "-u" ] ; then
   install_deb_packages dist-upgrade
   exit 0
+elif [ "$1" = "-e" ]; then
+  install_deb_packages remove $@
+  shift
 else
   install_deb_packages install $@
 fi
diff --git a/elements/yum/bin/install-packages b/elements/yum/bin/install-packages
index 956cc235..dbd1c4c2 100755
--- a/elements/yum/bin/install-packages
+++ b/elements/yum/bin/install-packages
@@ -18,6 +18,7 @@
 set -e
 
 EXTRA_ARGS=
+ACTION=install
 
 if [ "$1" = "-u" ] ; then
   yum -y update
@@ -25,6 +26,9 @@ if [ "$1" = "-u" ] ; then
 elif [ "$1" = "-d" ] ; then
   EXTRA_ARGS="--downloadonly"
   shift
+elif [ "$1" = "-e" ]; then
+  ACTION=erase
+  shift
 fi
 
 # Packages that aren't available in the distro but requested for installation
@@ -43,7 +47,7 @@ if [ -n "$WHITELIST" ]; then
   if [ -f /etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release ]; then
     rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release
   fi
-  yum -y install $EXTRA_ARGS $(map-packages $WHITELIST)
+  yum -y $ACTION $EXTRA_ARGS $(map-packages $WHITELIST)
   for pkg in "$@"; do
     if [ "$pkg" = "python-pip" ] ; then
       alternatives --install /usr/bin/pip pip /usr/bin/pip-python 10