set author name in git code example

Example 1: Change Git commit user name and author

# For one commit
git commit --amend --author="Author Name <[email protected]>"

# for multiple commits
git rebase -i B 
#if you need to edit A, use 
git rebase -i --root
#change the lines for both C and D from pick to edit
#Once the rebase started, it would first pause at C You would 
git commit --amend --author="Author Name <[email protected]>"
#Then 
git rebase --continue
#It would pause again at D
#Then you would 
git commit --amend --author="Author Name <[email protected]>" #again
git rebase --continue
#The rebase would complete.
#Use 
git push -f #to update your origin with the updated commits.

Example 2: add email to git config

To set your global username/email configuration:
Open the command line.
Set your username:
git config --global user.name "FIRST_NAME LAST_NAME"
Set your email address:
git config --global user.email "[email protected]"
To set repository-specific username/email configuration:
From the command line, change into the repository directory.
Set your username:
git config user.name "FIRST_NAME LAST_NAME"
Set your email address:
git config user.email "[email protected]"
Verify your configuration by displaying your configuration file:
cat .git/config

Example 3: change global user name git

$ git config --global user.name "Mona Lisa"