unikernel/duniverse/dune_/CONTRIBUTING.md

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+Dune is an community orientated open source project. It was originally
+developed at [Jane Street][js] and is now maintained by Jane Street,
+[Tarides][tarides] as well as several developers from the OCaml
+community.
+
+Contributions to Dune are welcome and should be submitted via GitHub
+pull requests against the `main` branch. See [./doc/hacking.rst][hack]
+for a guide to getting started on the code base.
+
+Dune is distributed under the MIT license and contributors are
+required to sign their work in order to certify that they have the
+right to submit it under this license. See the following section for
+more details.
+
+Signing contributions
+---------------------
+
+We require that you sign your contributions. Your signature certifies
+that you wrote the patch or otherwise have the right to pass it on as
+an open-source patch. The rules are pretty simple: if you can certify
+the below (from [developercertificate.org][dco]):
+
+```
+Developer Certificate of Origin
+Version 1.1
+
+Copyright (C) 2004, 2006 The Linux Foundation and its contributors.
+1 Letterman Drive
+Suite D4700
+San Francisco, CA, 94129
+
+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.
+```
+
+Then you just add a line to every git commit message:
+
+```
+Signed-off-by: Joe Smith <joe.smith@email.com>
+```
+
+Use your real name (sorry, no pseudonyms or anonymous contributions.)
+
+If you set your `user.name` and `user.email` git configs, you can sign
+your commit automatically with `git commit -s`.
+
+It is possible to set up `git` so that it signs off automatically by using a
+prepare-commit-msg hook in git. See <https://stackoverflow.com/a/46536244> for
+details. As noted in the manual for `format.signOff`, note that adding the
+`Signed-off-by` trailer should be a conscious act and means that you certify
+you have the rights to submit this work under the same open source license.
+
+[dco]: http://developercertificate.org/
+[js]: https://www.janestreet.com/
+[tarides]: https://tarides.com/
+[hack]: ./doc/hacking.rst
+
+Coding style
+------------
+
+- wrap lines at 80 characters,
+- use `[Ss]nake_case` over `[Pp]ascalCase`.