引用
http://www.sysads.co.uk/2014/05/install-configure-svn-1-7-ubuntu-14-04/
Step 1: Add following lines to source.list
<del>
sudo add-apt-repository "deb http://extras.ubuntu.com/ubuntu saucy main"
sudo add-apt-repository "deb http://de.archive.ubuntu.com/ubuntu/ saucy main universe restricted multiverse"
</del>
Step 2: Remove svn 1.8 package
<del>
sudo apt-get remove subversion libsvn1
</del>
Step 3: Update source package
<del>
sudo apt-get update
</del>
Step 4: Install svn 1.7
<del>
sudo apt-get install subversion=1.7.9-1+nmu6ubuntu3 libsvn1=1.7.9-1+nmu6ubuntu3
</del>
Step 5: Lock SVN to 1.7 to prevent automatic update
<del>
echo subversion hold | sudo dpkg --set-selections
echo libsvn1 hold | sudo dpkg --set-selections
echo libserf1 hold | sudo dpkg --set-selections
</del>
Step 6: Remove lines added in step 1 from sources.list
<del>
sudo gedit /etc/apt/sources.list
</del>
Step 7: Update source package
<del>
sudo apt-get update
</del>
Step 8: Confirm Version Installed
<del>svn --version</del>