Change name on revisions

git filter-branch --commit-filter '
        if [ "$GIT_COMMITTER_NAME" = "Old Name" ];
        then
                GIT_COMMITTER_NAME = "New Name";
                GIT_AUTHOR_NAME = "New Name";
                GIT_COMMITTER_EMAIL = "New Email";
                GIT_AUTHOR_EMAIL = "New Email";
                git commit-tree "$@";
        else
                git commit-tree "$@";
        fi' HEAD