Cloning this repository:

git clone git://gitorious.org/~kitaha2y/keepassx/kitaha2y-keepassx.git kitaha2y-keepassx
cd kitaha2y-keepassx

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

git remote add kitaha2y-keepassx git://gitorious.org/~kitaha2y/keepassx/kitaha2y-keepassx.git
git fetch kitaha2y-keepassx
git checkout -b my-local-tracking-branch kitaha2y-keepassx/master_or_other_branch