Magnolia 4.5 reached end of life on June 30, 2016. This branch is no longer supported, see End-of-life policy.
Magnolia source code is version controlled in Git. If you are new to Git or to distributed version control systems in general, read Git for Eclipse Users first. More background and details can be found in the on-line book Pro Git and on the Magnolia wiki. Earlier source code is still available via Subversion (SVN) and certain Magnolia files may still contain references to SVN URLs.