# Change the author and committer of every commit on a branch.
# Any mismatching committer dates will be adjusted to match the
# commit's author date.
EDITOR=true git rebase --committer-date-is-author-date -i --root "$(git rev-parse --abbrev-ref HEAD)" -x 'GIT_COMMITTER_DATE="$(git show -s --format=%ci)" git commit --amend --author "John Doe <john@example.org>" -CHEAD'