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Contributing to matrix.org
Thank you for taking the time to contribute to Matrix!
This is the repository for the matrix.org website.
Sign off
We ask that everybody who contributes to this project signs off their contributions, as explained below.
We follow a simple 'inbound=outbound' model for contributions: the act of submitting an 'inbound' contribution means that the contributor agrees to license their contribution under the same terms as the project's overall 'outbound' license - in our case, this is Apache Software License v2 (see LICENSE-Apache-2.0) for code and Creative Commons Attribution-ShareAlike 4.0 International (see LICENSE-CC-BY-SA) for other things, including text and graphics.
In order to have a concrete record that your contribution is intentional and you agree to license it under the same terms as the project's license, we've adopted the same lightweight approach used by the Linux Kernel, Docker, and many other projects: the Developer Certificate of Origin (DCO). This is a simple declaration that you wrote the contribution or otherwise have the right to contribute it to Matrix:
Developer Certificate of Origin
Version 1.1
Copyright (C) 2004, 2006 The Linux Foundation and its contributors.
660 York Street, Suite 102,
San Francisco, CA 94110 USA
Everyone is permitted to copy and distribute verbatim copies of this
license document, but changing it is not allowed.
Developer's Certificate of Origin 1.1
By making a contribution to this project, I certify that:
(a) 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
(b) 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
(c) The contribution was provided directly to me by some other
person who certified (a), (b) or (c) and I have not modified
it.
(d) 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.
If you agree to this for your contribution, then all that's needed is to include the line in your commit or pull request comment:
Signed-off-by: Your Name <your@email.example.org>
Git allows you to add this signoff automatically when using the -s flag to git commit, which uses the name and email set in your user.name and user.email git configs.