One more addition I've made to the hooks: rejecting new commits with a line in the commit message starting 'From-SVN: ', since such commits would confuse the scripts people have to find the git commit corresponding to a given SVN commit, and without such a rejection it would be easy for someone using "git cherry-pick" (to cherry-pick an SVN-era commit onto another branch) to push a commit with From-SVN: by mistake (as git cherry-pick copies the original commit message, with a statement about being cherry-picked added if you use -x).
-- Joseph S. Myers jos...@codesourcery.com