112 lines
4.8 KiB
Text
112 lines
4.8 KiB
Text
How to Submit Patches to the libseccomp Project
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===============================================================================
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https://github.com/seccomp/libseccomp-golang
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This document is intended to act as a guide to help you contribute to the
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libseccomp project. It is not perfect, and there will always be exceptions
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to the rules described here, but by following the instructions below you
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should have a much easier time getting your work merged with the upstream
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project.
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* Test Your Code
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There are two possible tests you can run to verify your code. The first test
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is used to check the formatting and coding style of your changes, you can run
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the test with the following command:
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# make check-syntax
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... if there are any problems with your changes a diff/patch will be shown
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which indicates the problems and how to fix them.
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The second possible test is used to ensure the sanity of your code changes
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and to test these changes against the included tests. You can run the test
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with the following command:
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# make check
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... if there are any faults or errors they will be displayed.
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* Generate the Patch(es)
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Depending on how you decided to work with the libseccomp code base and what
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tools you are using there are different ways to generate your patch(es).
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However, regardless of what tools you use, you should always generate your
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patches using the "unified" diff/patch format and the patches should always
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apply to the libseccomp source tree using the following command from the top
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directory of the libseccomp sources:
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# patch -p1 < changes.patch
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If you are not using git, stacked git (stgit), or some other tool which can
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generate patch files for you automatically, you may find the following command
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helpful in generating patches, where "libseccomp.orig/" is the unmodified
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source code directory and "libseccomp/" is the source code directory with your
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changes:
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# diff -purN libseccomp-golang.orig/ libseccomp-golang/
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When in doubt please generate your patch and try applying it to an unmodified
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copy of the libseccomp sources; if it fails for you, it will fail for the rest
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of us.
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* Explain Your Work
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At the top of every patch you should include a description of the problem you
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are trying to solve, how you solved it, and why you chose the solution you
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implemented. If you are submitting a bug fix, it is also incredibly helpful
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if you can describe/include a reproducer for the problem in the description as
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well as instructions on how to test for the bug and verify that it has been
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fixed.
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* Sign Your Work
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The sign-off is a simple line at the end of the patch description, which
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certifies that you wrote it or otherwise have the right to pass it on as an
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open-source patch. The "Developer's Certificate of Origin" pledge is taken
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from the Linux Kernel and the rules are pretty simple:
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Developer's Certificate of Origin 1.1
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By making a contribution to this project, I certify that:
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(a) The contribution was created in whole or in part by me and I
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have the right to submit it under the open source license
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indicated in the file; or
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(b) The contribution is based upon previous work that, to the best
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of my knowledge, is covered under an appropriate open source
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license and I have the right under that license to submit that
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work with modifications, whether created in whole or in part
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by me, under the same open source license (unless I am
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permitted to submit under a different license), as indicated
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in the file; or
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(c) The contribution was provided directly to me by some other
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person who certified (a), (b) or (c) and I have not modified
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it.
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(d) I understand and agree that this project and the contribution
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are public and that a record of the contribution (including all
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personal information I submit with it, including my sign-off) is
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maintained indefinitely and may be redistributed consistent with
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this project or the open source license(s) involved.
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... then you just add a line to the bottom of your patch description, with
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your real name, saying:
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Signed-off-by: Random J Developer <random@developer.example.org>
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* Email Your Patch(es)
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Finally, you will need to email your patches to the mailing list so they can
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be reviewed and potentially merged into the main libseccomp-golang repository.
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When sending patches to the mailing list it is important to send your email in
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text form, no HTML mail please, and ensure that your email client does not
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mangle your patches. It should be possible to save your raw email to disk and
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apply it directly to the libseccomp source code; if that fails then you likely
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have a problem with your email client. When in doubt try a test first by
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sending yourself an email with your patch and attempting to apply the emailed
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patch to the libseccomp-golang repository; if it fails for you, it will fail
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for the rest of us trying to test your patch and include it in the main
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libseccomp-golang repository.
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