This is mundane, but something I will no doubt forget, and so for my own posterity:
The svn diff is monochrome by default. Let’s install colordiff and change that.
sudo apt-get install colordiff vi ~/.subversion/config
[helpers] section set the diff command to
To ensure that when you do
svn diff | less the control characters for the colours are rendered correctly you’ll need to set the default options for
~/.bash_profile and add
source ~/.bash_profile. Done!