Change commit history using `filter-branch`.

git_commit_history_author_email_name_amend.sh

#!/usr/bin/env bash

git filter-branch \
  --env-filter \
'
CORRECT_NAME="Joe"
CORRECT_EMAIL="[email protected]"
export GIT_COMMITTER_NAME="$CORRECT_NAME"
export GIT_COMMITTER_EMAIL="$CORRECT_EMAIL"
export GIT_AUTHOR_NAME="$CORRECT_NAME"
export GIT_AUTHOR_EMAIL="$CORRECT_EMAIL"
' \
  --tag-name-filter \
  cat -- \
  --branches \
  --tags