git-filter-repo - changing author and committer email in multiple commits

git-filter-repo-change-commit-email.sh

#!/bin/sh

# Install git-filter-repo, as suggested by git docs: https://git-scm.com/docs/git-filter-branch#_warning

git filter-repo --commit-callback '
  old_email = b"your-old-email@example.com"
  correct_name = b"Your Correct Name"
  correct_email = b"your-correct-email@example.com"
  
  if commit.committer_email == old_email :
    commit.committer_name = correct_name
    commit.committer_email = correct_email

  if commit.author_email == old_email : 
    commit.author_name = correct_name
    commit.author_email = correct_email
  '