Support Multiple Users

Global config ~/.gitconfig

[user]
    name = John Personal
    email = john@gmail.com

[includeIf "gitdir:~/work/"]
    path = ~/work/.gitconfig

Work specific config ~/work/.gitconfig

[user]
    name = John Work
    email = john.doe@company.tld

Test

Clone a repo into ~/work/test-repo. Open the teminal and check the user email by:

% git config --get user.email
john.doe@company.tld

Multiple SSH access solution

If you are using SSH to access the repos, follow these steps to generate a new SSH key for the work accounts:

For example, if you have generated a new key named id_ed25519_work, test it by running:

% ssh -i ~/.ssh/id_ed25519_work -o IdentitiesOnly=yes -T git@github.com

Hi xxx! You've successfully authenticated, but GitHub does not provide shell access.

Then append this section into ~/work/.gitconfig:

[core]
    sshCommand = ssh -i ~/.ssh/id_ed25519_work -o IdentitiesOnly=yes

Reference

https://stackoverflow.com/a/43654115

https://docs.github.com/en/account-and-profile/setting-up-and-managing-your-personal-account-on-github/managing-your-personal-account/managing-multiple-accounts

https://git-scm.com/docs/git-config#Documentation/git-config.txt-coresshCommand