Use Multiple Git Configs on One Computer

Create a global Git config

$HOME/.gitconfig

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

Create individual Git configurations for profiles

$HOME/.gitconfig-work

[user]
 name = work_user
 email = work_email

$HOME/.gitconfig-personal

[user]
 name = personal_user
 email = personal_email