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🧾 Developer Certificate of Origin (DCO)

Version 1.1 — CommonsEngine Edition
Adapted from the original Linux Foundation DCO.

📜 Purpose

The Developer Certificate of Origin (DCO) is a lightweight mechanism to certify that each contribution to CommonsEngine is made with the necessary rights and permissions.

By signing your commits, you declare that you wrote or have the right to submit the code under the open-source license governing this project (AGPL-3.0).

This replaces the need for a separate Contributor License Agreement (CLA) and keeps contribution simple, transparent, and decentralized.

💬 The Declaration

By contributing to a CommonsEngine project, you agree to the following terms:

Developer Certificate of Origin 1.1

By making a contribution to this project, I certify that:

  1. The contribution was created in whole or in part by me and I have the right to submit it under the open source license indicated in the file; or
  2. The contribution is based upon previous work that, to the best of my knowledge, is covered under an appropriate open source license and I have the right under that license to submit that work with modifications, whether created in whole or in part by me, under the same open source license (unless I am permitted to submit under a different license), as indicated in the file; or
  3. The contribution was provided directly to me by some other person who certified (1), (2), or (3) and I have not modified it.
  4. I understand and agree that this project and the contribution are public and that a record of the contribution (including all personal information I submit with it, including my sign-off) is maintained indefinitely and may be redistributed consistent with this project or the open source license(s) involved.

✍️ How to Sign Your Commits

Every commit must include a Signed-off-by line, automatically added by using the -s flag in your git commit command:

git commit -s -m "Fix issue with authentication middleware"

This appends a line like the following to your commit message:

Signed-off-by: Your Name <your.email@example.com>

You can verify your signature with:

git log --show-signature

🧠 Tips

  • The name and email in your signature must match your Git configuration. 
    git config --global user.name "Your Name"
git config --global user.email "your.email@example.com"
  • All contributors (including maintainers) must sign their commits.
  • Squashing or rebasing commits should retain the sign-off line.
  • Commits without a sign-off will be rejected by automated CI checks.

⚖️ Legal Note

The DCO is a personal declaration, not a legal contract.
It ensures that the open commons remains free of proprietary restrictions and that contributors retain credit for their work.

By using this DCO, CommonsEngine affirms that all contributions are made in good faith and with respect for the rights of others.

CommonsEngine
Building the infrastructure for digital self-determination.
Powering the Digital Commons.