Upgrade an owncloud instance. Check the notes at the top for assumptions

owncloud-upgrade.sh

#!/bin/bash

# Upgrade an owncloud instance. Makes the following assumptions:
#   1. you're running this as the same user who owns (and can write to) $OWNCLOUD_FOLDER
#   2. $TMP_FOLDER is writeable by this user

# These should be absolute paths
OWNCLOUD_FOLDER=/var/public_html_ssl/cloud
TMP_FOLDER=/tmp/owncloud-upgrade

if [[ "$1" == "" ]] ; then
	echo "Need a version to download (e.g. 5.0.7)"
	exit
fi
VERSION=$1


# make sure the temp directory exists first
rm -r $TMP_FOLDER
mkdir -p $TMP_FOLDER

if [[ ! -d $TMP_FOLDER ]] ; then
	echo "Can't find the temporary folder. "
	exit
fi

echo "Backing up existing owncloud"
rsync -a $OWNCLOUD_FOLDER/ $TMP_FOLDER/owncloud-backup/

OC_FILENAME=owncloud-$VERSION.tar.bz2

echo "Fetching new version"
wget -q http://download.owncloud.org/community/$OC_FILENAME -O $TMP_FOLDER/$OC_FILENAME
if [[ $? -ne 0 ]] ; then
	echo "Couldn't find that owncloud version to download"
	exit
fi

echo "Extracting new version"
tar -C $TMP_FOLDER -xf $TMP_FOLDER/$OC_FILENAME
if [[ $? -ne 0 ]] ; then
	echo "Couldn't extract owncloud"
	exit
fi

echo "Upgrading!"
rsync --inplace -rt $TMP_FOLDER/owncloud/ $OWNCLOUD_FOLDER/

if [[ $? -ne 0 ]] ; then
	echo "The upgrade rsync failed; Be careful..."
	exit
fi


echo "Done"