What does the || : in this line of bash script from an rpm spec file do?

Question

ln -s /var/log/$SERVICE_NAME $RPM_INSTALL_PREFIX/logs || :

In the rpm spec file every line ends with || :

What is the

Answer 1

I know others have answered, but I prefer to put:

command || /bin/true

IMHO that makes it a lot more obvious to the next person who is reading the bash script/spec file.