#! /usr/bin/env sh
git filter-branch --commit-filter '
  GIT_AUTHOR_NAME="Andrew Opalach";
  GIT_AUTHOR_EMAIL="andrew@akon.city";
  GIT_COMMITTER_NAME="Andrew Opalach";
  GIT_COMMITTER_EMAIL="andrew@akon.city";
  git commit-tree -S "$@";
' HEAD