Bash script to replace email in git commit history

replaceCommitEmail.sh

#!/bin/sh

git filter-branch -f --env-filter '

# Configuration values
OLD_EMAIL="<old_email_to_replace>"
CORRECT_NAME="pasdam"
CORRECT_EMAIL="pasdam@users.noreply.github.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