This project uses Mercurial to manage its source code. Instructions on Mercurial use can be found at http://hgbook.red-bean.com/read/.
The source can be checked out anonymously from Mercurial with this command (See http://www.selenic.com/mercurial/hg.1.html#clone):
$ git clone ssh://git@gitub.com/openclover/clover-maven-plugin.git
Only project developers can access the Mercurial tree via this method (See http://www.selenic.com/mercurial/hg.1.html#clone).
$ git clone ssh://git@github.com/openclover/clover-maven-plugin.git