How to solve the problem of gitlab intercepting submissions with inconsistent user names

GitLab is a popular code hosting platform that developers can use to share and collaborate on code development. Some developers may encounter a problem that when they use the Git client to submit code, GitLab intercepts submissions with inconsistent usernames, which causes the submission to fail. In this article, we will explore this problem and provide some solutions to solve it.

1. Problem description

When using the Git client to submit code, if GitLab detects that the user name in the submission does not match the user name on the GitLab website, the submission will be intercepted. Specifically, blocking depends on the protocol you use when submitting. If the HTTP protocol is used, GitLab checks the username in the "From" header in the commit; if the SSH protocol is used, GitLab checks the email address in the commit message. If these values ​​do not match the values ​​on GitLab, the commit will be rejected.

This problem usually occurs in the following situations:

• If you use multiple Git accounts (such as GitHub and GitLab) and they use the same email address.
• If you are using a new Git account and have used a different account before.
• If you are using a computer that you do not own and it is configured with the credentials of another Git account.
• If you obtained code from another developer and changed the author information in your Git client.

2. Solution

To solve this problem, there are several methods you can try.

Method 1: Change the global git username and email address

You can change the global git username and email address in your Git client to ensure they are the same as yours on the GitLab website The information used matches. You can change them with the following two commands:

git config --global user.name "your_username"
git config --global user.email "your_email"

Please note that this will change the global git configuration and all code you commit will use this information. This eliminates the problem of GitLab intercepting commits, but requires extra caution since all your commits will be tied to this global git username and email address.

Method Two: Using Multiple SSH Keys on GitLab

If you have multiple GitLab accounts and they use different email addresses, it is recommended that you use multiple SSH keys on Git Client and GitLab Use multiple SSH keys. This way, you can use different SSH keys for different accounts, ensuring that the username and email address in the commit matches the GitLab account. Here's how to configure multiple SSH keys for different GitLab accounts in the Git client:

1. Generate a new SSH key:

ssh-keygen -t rsa -C "your_email_address"

2. Add the new SSH key to your GitLab account. Navigate to the GitLab website and click on your user avatar (in the upper right corner). Click "Settings" -> "SSH Keys" and add a new SSH key. Please make sure you are using a newly generated SSH key.
3. Add the new SSH key to the SSH agent:

ssh-add ~/.ssh/id_rsa_your_email_address

Where "your_email_address" is the email address you specified for the new SSH key.

4. Modify the Git client's SSH configuration file to specify the use of the correct SSH key:

Host gitlab_ssh_alias
    HostName gitlab.com
    User git
    IdentityFile ~/.ssh/id_rsa_your_email_address

Note to replace gitlab_ssh_alias with the Git repo alias on your GitLab. If you are using GitLab Enterprise Edition, you need to set HostName to the URL of your GitLab instance.

Method 3: Specify username and email address when submitting

If you want to specify a different username and email address for each submission, you can use "--author" in the submit command ” parameter to specify the submitter details, for example:

git commit --author="Your Name <your_email@address.com>"

This will specify a different username and email address when submitting.

Please note that this method will not solve the problem of GitLab intercepting commits, but it will give you more flexibility to control the username and email address in Git commits.

Conclusion

You can avoid issues with GitLab intercepting commits by changing the global git username and email address, using multiple SSH keys, or specifying the username and email address when committing. Different solutions work for different use cases, and you can try any of these methods to find the solution that works best for you.

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