Install Subversion 1.7 from wandisco repository on Debian GNU/Linux Wheezy

Debian GNU/Linux Wheezy is still using subversion 1.6.x, here there is a shellscript according the instructions given by this blogger to install subversion 1.7:

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#!/bin/bash
#http://ymartin59.free.fr/wordpress/index.php/2012/11/25/how-to-install-subversion-1-7-from-wandisco-repository-on-debian-wheezy/
apt-get install equivs

cat > libdb4.8-control-wheezy <<EOF
### Commented entries have reasonable defaults.
### Uncomment to edit them.
# Source: <source package name; defaults to package name>
Section: misc
Priority: optional
# Homepage: <enter URL here; no default>
Standards-Version: 3.9.2

Package: libdb4.8
Version: 4.8.30-fake
Maintainer: Yves Martin <guess@free.fr>
# Pre-Depends: <comma-separated list of packages>
Depends: db4.8-util
# Recommends: <comma-separated list of packages>
# Suggests: <comma-separated list of packages>
# Provides: <comma-separated list of packages>
# Replaces: <comma-separated list of packages>
Architecture: all
# Copyright: <copyright file; defaults to GPL2>
# Changelog: <changelog file; defaults to a generic changelog>
# Readme: <README.Debian file; defaults to a generic one>
# Extra-Files: <comma-separated list of additional files for the doc directory>
# Files: <pair of space-separated paths; First is file to include, second is destination>
#  <more pairs, if there's more than one file to include. Notice the starting space>
Description: Link to new package name db4.8-util
EOF

equivs-build libdb4.8-control-wheezy
apt-get install db4.8-util
dpkg -i libdb4.8_4.8.30-fake_all.deb

wget -q -O - http://opensource.wandisco.com/wandisco-debian.gpg | sudo apt-key add -
echo "deb http://opensource.wandisco.com/debian/ squeeze svn17" > /etc/apt/sources.list.d/wandisco-subversion.list
apt-get update
apt-get install subversion subversion-tools

svn help
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Enjoy!