1. Open Terminal.
1. Create a fresh, bare clone of your repository:
```
git clone --bare https://github.com/user/repo.git
cd repo.git
```
1. Edit the scripts with your variables.
1. Edit `OLD_EMAIL`, `CORRECT_NAME` and `CORRECT_EMAIL` with your variables.
1. `# git push --force --tags origin 'refs/heads/*'`
1. Clean up the temporary clone.
#!/bin/sh
git filter-branch --env-filter '
OLD_EMAIL="your-old-email@example.com"
CORRECT_NAME="Your Correct Name"
CORRECT_EMAIL="your-correct-email@example.com"
if [ "$GIT_COMMITTER_EMAIL" = "$OLD_EMAIL" ]
then
export GIT_COMMITTER_NAME="$CORRECT_NAME"
export GIT_COMMITTER_EMAIL="$CORRECT_EMAIL"
fi
if [ "$GIT_AUTHOR_EMAIL" = "$OLD_EMAIL" ]
then
export GIT_AUTHOR_NAME="$CORRECT_NAME"
export GIT_AUTHOR_EMAIL="$CORRECT_EMAIL"
fi
' --tag-name-filter cat -- --branches --tags