How to setup 2 separate Git profiles on a single device?

I work on a single device and use it for both my office work and side/pet/personal projects. Default git credentials for the device is obviously the one provided by my office. Now, this scenario has happened to me a lot of times -

• My office work is done
• I am super excited about a personal project idea
• So I set up a remote git repository
• Set up the project boilerplate locally
• Fire git init, git remote add, git add, git commit & PUSH!!!

And it is then when I realize I have pushed code to my personal git with wrong (office) credentials. And I start all over again.

Do let me know if you have ever faced a similar situation like mine in comments!

So, now what is the solution? How do I have separate git config on a single machine? The answer is pretty simple. You need to have two separate Git config files. But, how ? Read on...

*** Before starting make sure you have git version 2.13 or higher installed in your system. ***

$ git --version
git version 2.14.2

Now with the prerequisites set, let's begin -

• Your .gitconfig resides in your home directory. For Windows users, it will be in the path C:\Users\[YOUR_NAME]. Go to that directory.
• Create two separate folders like My_Office_Workspace & My_Personal_Workspace.
• Create two separate .gitconfig files, one for office and another for personal usage in the path C:\Users\[YOUR_NAME]. Let's name them .gitconfig-office & .gitconfig-personal.

The contents of .gitconfig-office -

# This is Git's per-user configuration file.
[user]
name = YOUR_OFFICE_GIT_USERNAME
email = your.name@company.com

The contents of .gitconfig-personal -

# This is Git's per-user configuration file.
[user]
name = YOUR_PERSONAL_GIT_USERNAME
email = your.name@gmail.com

• After that's done, open up the .gitconfig file, and make the necessary changes. It should look like -

[includeIf "gitdir:~/My_Office_Workspace/"]
  path = .gitconfig-office
[includeIf "gitdir:~/My_Personal_Workspace/"]
  path = .gitconfig-personal

Configuration done! Now let's verify.

• Goto My_Office_Workspace and clone a project from your office GitHub, BitBucket or GitLab. Let's call the project My_Office_Project and do the following -

$ cd My_Office_Workspace/
$ git clone https://github.my_office.com/VeryImportant/My_Office_Project.git
$ cd My_Office_Project/
$ git config user.name
YOUR_OFFICE_GIT_USERNAME

• You can also do the same for your personal projects under My_Perosonal_Workspace, but you will see you the output for the last command git config user.name is YOUR_PERSONAL_GIT_USERNAME.

Woohoo, it's done! No more messing up. 😃

Update

If your projects are in a different drive on Windows, for eg. D or F, then you can configure the .gitconfig like this

[includeIf "gitdir:D:/My_Office_Workspace/"]
  path = .gitconfig-office
[includeIf "gitdir:F:/My_Personal_Workspace/"]
  path = .gitconfig-personal

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I am Soham Mondal, a developer from India. You can follow me on LinkedIn, Instagram, or GitHub. You can learn more about me on my website. I am currently open to new projects & job offers.