How to change the author and committer name and e-mail of multiple commits in Git?

Question

I was writing a simple script in the school computer, and committing the changes to Git (in a repo that was in my pendrive, cloned from my computer at home). After several c

Answer 1

A single command to change the author for the last N commits:

git rebase -i HEAD~4 -x "git commit --amend --author 'Author Name ' --no-edit"

NOTES

• the --no-edit flag makes sure the git commit --amend doesn't ask an extra confirmation
• when you use git rebase -i, you can manually select the commits where to change the author,

the file you edit will look like this:

pick 897fe9e simplify code a little
exec git commit --amend --author 'Author Name ' --no-edit
pick abb60f9 add new feature
exec git commit --amend --author 'Author Name ' --no-edit
pick dc18f70 bugfix
exec git commit --amend --author 'Author Name ' --no-edit

You can then still modify some lines to see where you want to change the author. This gives you a nice middle ground between automation and control: you see the steps that will run, and once you save everything will be applied at once.