Change user in all commits

git_change_author.sh

git filter-branch -f --env-filter '
OLD_EMAIL="[email protected]"
NEW_NAME="New Username"
NEW_EMAIL="[email protected]"

if [ "$GIT_AUTHOR_EMAIL" = "$OLD_EMAIL" ]
then
  export GIT_AUTHOR_NAME="$NEW_NAME"
  export GIT_AUTHOR_EMAIL="$NEW_EMAIL"
fi

if [ "$GIT_COMMITTER_EMAIL" = "$OLD_EMAIL" ]
then
  export GIT_COMMITTER_NAME="$NEW_NAME"
  export GIT_COMMITTER_EMAIL="$NEW_EMAIL"
fi
' --tag-name-filter cat -- --all

git push --force --all
git push --force --tags