doc: add contributing non-Apache2.0 docs

Add contribution process for including non-Apache 2.0 components
as approved by the TSC.  Include a README template that lists
information requested by the TSC and governing board for review.
Add a brief mention in the CONTRIBUTING link that appears when
submitting a new PR or Issue via the GitHub web interface.

Included an introduction to the process steps that includes using the
zephyr devel mailing list to discuss new components.

fixes #1543

Signed-off-by: David B. Kinder <david.b.kinder@intel.com>
This commit is contained in:
David B. Kinder 2017-09-19 17:23:35 -07:00 committed by Anas Nashif
parent ef39533365
commit 10b24a87fc
4 changed files with 168 additions and 8 deletions

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@ -22,21 +22,51 @@ software continues to be available under the terms that the author desired.
.. _GitHub repo: https://github.com/zephyrproject-rtos/zephyr
Zephyr uses the `Apache 2.0 license`_ (as found in the LICENSE file in the
project's `GitHub repo`_) to strike a balance between open contribution and
allowing you to use the software however you would like to. There are some
imported or reused components of the Zephyr project that use other licensing,
as described in `Zephyr Licensing`_.
Zephyr uses the `Apache 2.0 license`_ (as found in the LICENSE file in
the project's `GitHub repo`_) to strike a balance between open
contribution and allowing you to use the software however you would like
to. The Apache 2.0 license is a permisive open source license that
allows you to freely use, modify, distribute and sell your own products
that include Apache 2.0 licensed software. (For more information about
this, check out articles such as `Why choose Apache 2.0 licensing`_ and
`Top 10 Apache License Questions Answered`_).
.. _Zephyr Licensing:
https://www.zephyrproject.org/doc/LICENSING.html
.. _Why choose Apache 2.0 licensing:
https://www.zephyrproject.org/about/faq/what-rationale-choosing-apache-20-license
The license tells you what rights you have as a developer, provided by the
.. _Top 10 Apache License Questions Answered:
https://www.whitesourcesoftware.com/whitesource-blog/top-10-apache-license-questions-answered/
A license tells you what rights you have as a developer, as provided by the
copyright holder. It is important that the contributor fully understands the
licensing rights and agrees to them. Sometimes the copyright holder isn't the
contributor, such as when the contributor is doing work on behalf of a
company.
Components using other Licenses
===============================
There are some imported or reused components of the Zephyr project that
use other licensing, as described in `Zephyr Licensing`_.
.. _Zephyr Licensing:
https://www.zephyrproject.org/doc/LICENSING.html
Importing code into the Zephyr OS from other projects that use a license
other than the Apache 2.0 license needs to be fully understood in
context and approved by the Zephyr governing board.
By carefully reviewing potential contributions and also enforcing
`developer attestations <DCO>`_ for contributed code, we can ensure that
the Zephyr community can develop products with the Zephyr Project
without concerns over patent or copyright issues.
See `Contributing non-Apache 2.0 components`_ for more information about
this contributing and review process for imported components.
.. _Contributing non-Apache 2.0 components:
https://www.zephyrproject.org/doc/contribute/contribute_non-apache.html
.. _DCO:
Developer Certification of Origin (DCO)
@ -248,6 +278,8 @@ it when committing code, edit your *.git/hooks/pre-commit* file to contain:
set -e exec
exec git diff --cached | ${ZEPHYR_BASE}/scripts/checkpatch.pl - || true
.. _Contribution workflow:
Contribution Workflow
*********************

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@ -0,0 +1,50 @@
[Code Component Name]
#####################
Origin:
[Name of project hosting the original open source code]
[Provide a link to the source]
Status:
[Current version of this component, supported by Zephyr]
Purpose:
[Brief description of what this software does]
Description:
[Long description that will help reviewers discuss suitability of the
package to solve the problem at hand (there may be a better package
available.)
What is its primary functionality (e.g., SQLLite is a lightweight
database)?
What problem are you trying to solve? (e.g., a state store is
required to maintain ...)
Why is this the right package to solve it (e.g., SQLite is small,
easy to use, and has a very liberal license.)]
Dependencies:
[What other components does this package depend on? Does the software
include any dynamic or static linking, or automatic downloading of any
code?
Will the Zephyr project have a direct dependency on the component, or
will it be included via an abstraction layer with this component as a
replacable implementation?]
URL:
[location to the project's home, e.g., a github repo]
commit:
[08ded7f21529c39e5133688ffb9a9d0c94e5c6e]
Maintained-by:
[External]
License:
[use SPDX identifier (https://spdx.org/licenses/), such as BSD-3-Clause]
License Link:
[link to the project's LICENSE file, e.g., https://github.com/xyz/LICENSE]

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@ -10,3 +10,4 @@ patches for code, documentation, tests, and more, directly to the project.
:maxdepth: 1
contribute_guidelines.rst
contribute_non-apache.rst

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@ -0,0 +1,77 @@
.. _contribute_non-Apache:
Contributing non-Apache 2.0 licensed components
###############################################
Importing code into the Zephyr OS from other projects that use a license
other than the Apache 2.0 license needs to be fully understood in
context and approved by the `Zephyr governing board`_.
.. _Zephyr governing board:
https://www.zephyrproject.org/about/organization
By carefully reviewing potential contributions and also enforcing a
:ref:`DCO` for contributed code, we ensure that
the Zephyr community can develop products with the Zephyr Project
without concerns over patent or copyright issues.
Submission and review process
*****************************
All contributions to the Zephyr project are submitted through GitHub
pull requests (PR) following the Zephyr Project's :ref:`Contribution workflow`.
Before you begin working on including a new component to the Zephyr
Project (Apache-2.0 licensed or not), you should start up a conversation
on the `developer mailing list <https://lists.zephyrproject.org>`_
to see what the Zephyr community thinks about the idea. Maybe there's
someone else working on something similar you can collaborate with, or a
different approach may make the new component unnecessary.
If the conclusion is that including a new component is the best
solution, and this new component uses a license other than Apache-2.0,
these additional steps must be followed:
#. Complete a README for your code component and add it to your source
code pull request (PR). A recommended README template can be found in
:file:`doc/contributing/code_component_README` (and included
`below`_ for reference)
#. The Zephyr Techincal Steering Committee (TSC) will evaluate the code
component README as part of the PR
commit and vote on accepting it using the GitHub PR review tools.
- If rejected by the TSC, a TSC member will communicate this to
the contributor and the PR will be closed.
- If approved by the TSC, the TSC chair will forward the README to
the Zephyr governing board for further review.
#. The Zephyr governing board has two weeks to review and ask questions:
- If there are no objections, the matter is closed. Approval can be
accelerated by unanimous approval of the board before the two
weeks are up.
- If a governing board member raises an objection that cannot be resolved
via email, the board will meet to discuss whether to override the
TSC approval or identify other approaches that can resolve the
objections.
#. On approval of the Zephyr TSC and governing board, final review of
the PR may be made to ensure its proper placement in the
Zephyr Project :ref:`source_tree_v2`, (in the ``ext`` folder), and
inclusion in the :ref:`zephyr_licensing` document.
.. note::
External components not under the Apache-2.0 license **cannot** be
included in a Zephyr OS release without approval of both the Zephyr TSC
and the Zephyr governing board.
.. _below:
Code component README template
******************************
.. literalinclude:: code_component_README