Amend GIT author within branch starting from COMMIT_ID

amend-git-author.md

To reset commit author its required:

1. to update default user name/email. (--global could added)

$ git config user.name example user
$ git config user.email example@email.com

2. set checkpoint to keep orignal commit tree.

$ git branch --no-track checkpoint master

3. to run fixer command, what would update author, while creating new commit tree.

$ COMMIT_ID="<COMMIT_ID>"
$ git rebase --onto "${COMMIT_ID}" --exec "git commit --amend --reset-author --no-edit" "${COMMIT_ID}"

4. review that all good and update remote, plus drop checkoiunt:

$ git push origin master -f
$ git branch -D checkpoint