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diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md new file mode 100644 index 0000000..82661bb --- /dev/null +++ b/CONTRIBUTING.md @@ -0,0 +1,67 @@ +# Contributing code to libolm + +To contribute code to this library, the preferred way is to clone the git +repository, create a git patch series (for example via ``git +format-patch --stdout origin/master``), and send this by email to +``olm@matrix.org``. + +Naturally, you must be willing to license your contributions under the same +license as the project itself - in this case, Apache Software License v2 (see +[LICENSE](LICENSE)). + +## Sign off + +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 that the +[Linux Kernel](https://www.kernel.org/doc/html/latest/process/submitting-patches.html#sign-your-work-the-developer-s-certificate-of-origin), +[Docker](https://github.com/docker/docker/blob/master/CONTRIBUTING.md), +and many other projects use: the DCO ([Developer Certificate of Origin](http://developercertificate.org/)). +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 commits or covering email:: + + Signed-off-by: Your Name <your@email.example.org> + +...using your real name; unfortunately pseudonyms and anonymous contributions +can't be accepted. Git makes this trivial - just use the -s flag when you do +``git commit``, having first set ``user.name`` and ``user.email`` git configs +(which you should have done anyway :) |