changing author names in git repositories

After converting my code repository from bzr to git, I harmonized my commit-names.

git filter-branch --env-filter "echo $GIT_AUTHOR_NAME; export GIT_AUTHOR_NAME='Kissaki' GIT_AUTHOR_EMAIL='renamed@becauseof.bots' GIT_COMMITTER_NAME='Kissaki' GIT_COMMITTER_EMAIL='renamed@becauseof.bots'"