git-rewrite-author.sh

#!/bin/bash

git filter-branch --env-filter '
    OLD_EMAIL="rise.worlds@outlook.com"
    NEW_NAME="a42dab9659090cac"
    NEW_EMAIL="a42dab9659090cac@outlook.com"

    if [ "$GIT_COMMITTER_EMAIL" = "$OLD_EMAIL" ]
    then
        export GIT_COMMITTER_NAME="$NEW_NAME"
        export GIT_COMMITTER_EMAIL="$NEW_EMAIL"
    fi
    if [ "$GIT_AUTHOR_EMAIL" = "$OLD_EMAIL" ]
    then
        export GIT_AUTHOR_NAME="$NEW_NAME"
        export GIT_AUTHOR_EMAIL="$NEW_EMAIL"
    fi
' --tag-name-filter cat -- --branches --tags
# git gc
# git push --force --tags origin 'refs/heads/*'