Cloning this repository:

git clone git://gitorious.org/xhtml2odt/xhtml2odt.git xhtml2odt
cd xhtml2odt

Add this repository as a remote to an existing local repository:

git remote add xhtml2odt git://gitorious.org/xhtml2odt/xhtml2odt.git
git fetch xhtml2odt
git checkout -b my-local-tracking-branch xhtml2odt/master_or_other_branch